When choosing the best solar heating system for your swimming pool, you need to think about your local climate, the length of your swim season, the size of your pool, and the cost to purchase and install a solar heating system.

With these things in mind, our pick for the best solar heater for above ground pools is the SunHeater S220 Solar Pool Heater. It’s built with the ability to connect multiple panels together, letting you customize how powerful you need your solar heater.

For smaller, pre-mounted options, we recommend either the  GAME 72000-BB SolarPRO or the very affordable Goplus Solar Dome.

Remember that solar heaters require plenty of sunny days to have enough energy to heat your pool. That’s why they’re best suited for areas with lots of sunshine and where winters are mild.

So if you’re in a colder climate with a limited swim season, or if you want to heat your water faster, you’ll need an electric pool heater or gas pool heater. They can heat more water in less time compared to solar.

Want to build your own solar heater? We have a step-by-step walkthrough on How To Build a DIY Solar Pool Heater for Less Than $100.

If you still want help deciding on the best heater to buy for your pool, here’s our complete guide to above ground pool solar pool heaters and how to pick the right one.

FYI: We’re a small team of pool industry experts and researchers that care about recommending quality, reliable pool products. If you do choose to click a link and buy any of the products we recommend, we earn a commission at no additional cost to you.

Best Solar Pool Heater: SunHeater S220

SunHeater S220 Solar Heating System for Above Ground Pools

Sunheater's Solar Pool Heating System is an efficient and cost-effective method to heat your above ground pool. This heater uses your existing filtration system and comes with the necessary fittings for easy installation.

As your pool’s pump pushes water through the panel’s tubes, it’s warmed by the sun and then returned to your pool. This system can raise the water temperature up to 15°F and extend your pool season by weeks.

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The SunHeater S220 Solar Heating System maximizes solar collection with its flat-panel style tubing. Since this solar heater uses your existing pool pump, it should be installed near your pool. And while its versatility gives you plenty of options and is easy to set up, it does not come mounted on anything. That means you’ll need space to lay it flat, like on a rooftop or deck.

A single installation kit comes with one panel that measures 2’ x 20’ (40 sq. ft.). So it’s perfect for heating above ground pools that are 24’ round pools or 15’ x 30’ oval pools. But keep in mind that additional units will be necessary to heat larger pools.

Best Smaller Solar Pool Heater: GAME 72000-BB SolarPRO

Our Top Pick

GAME 72000-BB SolarPRO Curve Solar Above Ground Pool Heater

The SolarPRO Curve Solar Pool Heater is an affordable way to increase your pool temperature steadily using the sun. For an 8,000-gallon above ground pool, expect your water to increase by 5 degrees in 4 days.

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The SolarPRO is a great option for those with smaller pools and limited space. Since it’s a curved solar pool heater, it allows it to maximize heat collection throughout the day. It also keeps the solar unit from killing your grass. And the adjustable legs make it compatible with multiple manufacturers, such as Intex and Bestway.

An 8,000-gallon pool can expect an increase of five degrees over several days. If you have a larger pool or need more heating power, it’s possible to add more solar panels to the system. But this might not be the most effective solution. And purchasing multiple units also means you’ll need bypass kits.

By the way, if you need more help taking care of your above ground pool, be sure to check out our Pool Care Video Course!

Frustrated by adding chemicals and trying to keep your pool clear all the time?

We cut out all the confusion of pool maintenance in this easy-to-read illustrated ebook and video course. It'll help you save $100 right away on pool care!

Click Here to Learn More

Best Budget Solar Heater: Goplus Solar Dome

Goplus Solar Dome Pool Heater

This affordable, space-saving solar dome will help you extend your swimming season and heat your pool to a warm, comfortable temperature. It's best for smaller pools, but multiple units can be connected to heat more water.

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As one of the cheaper options out there, the Goplus Solar Dome is a cost-effective way to heat a small pool. The dome style provides a compact size while maximizing the energy collection surface. And at only 11 pounds per unit, it’s easy to fit multiple units together if you want more power.

Each dome features rotatable hose connectors and foldable support legs. So it’s easy to adjust toward the sun and convenient to store. But because the hoses are only 38.5’’ long, you’ll need to install the system near the pool itself. And it won’t work for rooftop installation.

A single unit can heat a 6,000-gallon pool by 5 to 10 degrees. But with additional kits required for larger pools.

How Do Solar Pool Heaters Work?

Solar pool heaters work by directing your pool water through a series of valves to reach your solar collectors, which are solar panels. Water enters the collectors and is heated by solar energy. The heated water returns to the pool. The cycle repeats itself until the pool reaches your desired temperature.

Even though solar heaters are made from several types of materials, polymer systems are most common for above ground pools.

Polymer Solar Heating Systems

Polymer systems can be made out of PVC, polypropylene, rubber, plastic, and more. You can find them in mat and coil configurations, these are the most common options for above-ground pools. Many are affordably priced and offer an easy installation process. And they can usually be mounted on the ground close to the pool or on a rooftop or deck.

However, these models aren’t suitable for areas where below-freezing temperatures are common and require seasonal draining. This can damage the solar heater material.

Flat vs. Mounted Solar Heaters

With polymer systems, you’ll find either flat-lying or pre-mounted options. With a mounted model, like a dome, the system comes already tilted towards the sun and off the ground. This makes setup extremely easy. Also, dome configurations are also better for tight spaces where you don’t have the space to lie down a full mat. However, flat-lying options can collect more sunlight and can be mounted on sunny spots like a rooftop.

How To Choose The Best Solar Pool Heater

There are several considerations to keep in mind, including your access to sunlight and how much space you have around your pool.

Local Climate and Pool Season

The warmer your outdoor air is, the less your pool heater will have to work. That also means you can get by with a smaller pool heater. If you have a small pool or a short swimming season, solar heating panels are an eco-friendly way to heat your pool.

But if you’re in a cooler climate, a solar pool heater, even with multiple panels, may not be enough to help you achieve a comfortable water temperature. Solar heaters can only increase the temp by about 12 degrees, max.

Pool Size

The larger your pool, the more solar panels you’ll need to achieve the correct temperature. If you’re in a naturally cooler climate, it may not be possible to achieve it with solar alone.

It’s not just the size of your pool that matters – it’s also the size of the panels, and whether you have an open pool, screened pool, or shaded pool. For roof installations, you also have to account for the size of each panel.

For the basic solar domes and solar mats, one unit will heat a 6,000 to 8,000-gallon pool. Read manufacturer’s descriptions carefully, as the bypass kits you need to connect multiple units may need to be purchased separately.

Pool Heater Location

With solar pool heating systems, you could have a solar dome or mat on the ground next to the pool. Or you could have it raised off the ground nearby. Many kits allow for roof or rack installation. If you do a rack installation, you’ll need an area large enough to hold all the panels that also gets the necessary sun exposure.

Installation Requirements

Solar heaters are the easiest for DIY installations, but they still require planning, and the installation itself is time-consuming. With the right tools and adequate space on your property, you can take care of it.

Winterization

You must completely remove your solar heater from your pool to winterize it safely. This means turning off your circulating system and allowing the solar collectors and pipes to drain. Check all connectors, bypass valves, etc. Store the components in a dry place. If you’re planning on keeping everything in the basement or garage, it’s a good idea to keep it all in a box to protect the system from rodents.

If you run a year-round swimming season, shut the panels down if a hard freeze is expected.

Maintenance

The biggest part of maintaining your solar pool heater involves taking care of your pool and filtration system. Keep the filter clean and the chemicals balanced to ensure proper water flow goes to the collectors.

Frequently Asked Questions About Solar Pool Heaters

Need more help picking out the right solar heater? Here are some commonly asked questions and answers.

What size solar pool heater do I need to heat my above ground pool?

Choosing the right solar pool heater size depends on the solar panel’s surface area and the size of your pool. You’ll need enough solar paneling or tubing to equal 50% of your pool’s surface area. For example, if your pool’s surface area is 600 square feet, you’ll need 300 square feet of solar panels or tubing to heat it. Smaller above ground swimming pools of up to 8,000 gallons can get by with one unit. Larger pools require additional units with bypass kits. You’ll also need to consider local landscape features and how much sunlight you get.

Is solar pool heating worth it?

Solar heating is a cost-effective way to gradually boost your pool’s water temperature. In warmer climates where there are plenty of sunny days, it’s an energy-efficient way to keep your pool warm. But if you’re in a cooler climate, solar heating isn’t as effective as gas or electric pool heaters. To maximize solar pool heat, use a solar pool cover. This will help prevent evaporation and heat loss, especially at night.

How much warmer does solar heating make a pool?

Compared to an unheated pool, a solar pool water heater is on average, 8 to 12 degrees warmer. But that can be over the course of several days of heating. And your pool will still lose heat on cloudy days and overnight. Using a solar cover helps to reduce heat loss, but won’t completely prevent it.

How can I heat my above-ground pool fast?

If you need to warm your above-ground pool quickly, it’s most effective to use a gas pool heater or an electric heat pump. Pool solar panels are designed to heat the water gradually, over a period of several days. Gas and electric models can heat a larger volume of water over a period of hours.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post Best Solar Heaters for Above Ground Pools of 2023 appeared first on Swim University®.

With those criteria in mind, our picks for the best above ground pool heater are:

• Raypak Electronic Ignition Natural Gas Pool Heater
• Hayward HeatPro Heat Pump
• GAME 72000-BB SolarPRO Solar Heater

Natural gas heaters and heat pumps are more powerful but the units cost several thousands of dollars. On the other hand, passive solar heaters like the SolarPro only cost a few hundred but are far less effective at heating your water.

For more information about how these heaters work and what features to look for, keep reading for our complete guide to the best above ground swimming pool heaters.

FYI: We’re a small team of pool industry experts and researchers that care about recommending quality, reliable pool products. If you do choose to click a link and buy any of the products we recommend, we earn a commission at no additional cost to you.

How Do You Choose the Best Above Ground Pool Heater?

If you live in a colder climate or need to heat a larger pool quickly, we recommend the Raypak Natural Gas Heater. Gas heaters can heat your water up by 30 degrees in some cases. You will, however, pay for that power with the cost of the heater itself and a higher utility bill.

For the most energy-efficient option that doesn’t sacrifice power, consider the Hayward Electric Pool Heat Pump. It works well in mild climates, utilizing ambient heat from the air to help you save you money on your electric bill. Keep in mind that even though the heat pump is more energy-efficient, it may not work well in extremely cold temperatures.

But if you live somewhere with plenty of sunlight and don’t mind waiting for your pool to heat up, the SolarPRO Solar Heater is an extremely affordable option (a few hundred dollars) and very energy-efficient. It will just take several days to heat up your pool water and only by a few degrees.

Finally, if you’re specifically looking for a propane gas option and don’t mind sacrificing some power to save money, we recommend the Pentair MasterTemp 125.

The Best Above Ground Gas Pool Heater: Raypak Natural Gas Heater

Our Top Pick

Raypak Natural Gas Pool and Spa Heater

The Raypak gas heater is a high-efficiency pool heater with a small footprint. This heater includes a digital control panel (LCD) for temperature selection and heater settings.

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The Raypak Digital Electronic Ignition Natural Gas Pool Heater is the most powerful above-ground pool heater option. It uses an electronic ignition that will automatically start the system when the pool’s temperature falls below your preset preferred temperature. Featuring an LCD display, you can easily see and set the temperature on the thermostat at any time. And gas-powered heat means heating your pool water quickly in any climate.

The Raypak heater is available in several models, from 206,000 BTUs to 399,000 BTUs, to accommodate different size pools. However, it does require access to a natural gas line. That means not only is this heater a significant upfront cost, but the installation can also be pricey.

The Best Above Ground Electric Heater: Hayward HeatPro Heat Pump

Our Top Pick

Hayward W3HP50HA2 HeatPro Heat Pump, Beige

This easy-to-install heat pump uses less energy than natural gas and propane heaters. The Hayward HeatPro 50K BTU Heat Pump will quickly and energy-efficiently heat smaller above ground pools.

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The Hayward HeatPro heat pump is an energy-efficient option for pools up to 13,000 gallons, 24 feet round, and 15 x 30 feet oval pools. It features a high-efficiency titanium heat exchanger and a cooling mode to cool water temperature if needed.

This heat pump runs quietly with a defrost system that allows it to start in lower temperatures. It’s also a “Low Nox” heater, which means it minimizes levels of nitrogen-oxide, making it more environmentally friendly.

A heat pump like the Hayward HeatPro will help you heat your pool quickly and efficiently. Though it’s not as powerful as a gas heater and still costs several thousands of dollars, it’s a bit easier to install (though it may still require an outside contractor).

The Best Above Ground Solar Pool Heater: GAME 72000-BB SolarPRO

Our Top Pick

GAME 72000-BB SolarPRO Curve Solar Above Ground Pool Heater

The SolarPRO Curve Solar Pool Heater is an affordable way to increase your pool temperature steadily using the sun. For an 8,000-gallon above ground pool, expect your water to increase by 5 degrees in 4 days.

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An extremely affordable heater option, the GAME 72000-BB SolarPro has a unique curved shape to help maximize heat collection. Plus, because it doesn’t lie flat on the ground, this solar collector won’t kill your grass. It features threaded ports for plumbing options and adjustable legs, making it compatible with a variety of manufacturers, including Intex and Bestway above ground pools.

However, a solar heater will heat your water much slower than a gas or electric heat pump. If you have an 8,000-gallon pool, you can expect an increase of five degrees in four days. So if you need more heating power or have a larger pool, you’ll need multiple solar heaters. And that means you’ll need to purchase bypass kits to connect each one.

The Best Alternative Above Ground Pool Heater: Pentair MasterTemp 125

Available as a propane or a natural gas solution, the Pentair MasterTemp 125 is a slightly more affordable on-demand heater option. If you have a smaller pool (up to 17,500 gallons), this heater may be a perfect size. At only 80 pounds, its compact design makes it easy to fit in smaller spaces where other heaters just won’t go. And its rotating digital display lets you easily see your current pool water temperature.

By the way, if you need more help taking care of your pool, be sure to check out our pool maintenance video course.

Frustrated by adding chemicals and trying to keep your pool clear all the time?

We cut out all the confusion of pool maintenance in this easy-to-read illustrated ebook and video course. It'll help you save $100 right away on pool care!

Click Here to Learn More

How Do Different Types of Pool Heaters Work?

Pool heaters are available in three types: gas, electric, and solar. And each has pros and cons, including price, energy efficiency, and the ability to heat your water quickly.

Gas Pool Heaters

Gas pool heaters use either natural gas or propane gas to heat your pool. Pool water passes through the heater while a combustion chamber burns the gas. Then the heated water passes back into your pool.

If you’re in a cooler climate or you need to heat your pool quickly, a gas pool heater is most effective. Gas heaters can produce more heat in shorter periods of time. But compared to other heaters, they’re more expensive to operate. Propane or natural gas tends to cost more than the electricity used for a heat pump.

If you want to use natural gas, you’ll need a gas line near your pool. But if you don’t already have one, you’ll also need to pay for not only the heater installation but a gas line as well.

Electric Pool Heaters and Pool Heat Pumps

There are two types of electric pool heaters: a direct flow heater and a pool heat pump. The direct flow heater works much the same way as a tankless water heater, heating the water on demand as it passes through. And it requires electricity to generate heat.

On the other hand, a pool heat pump uses the warmth from the ambient, outside air to warm up your pool water. It’s the same way your home’s air conditioning system works but in reverse.

Direct flow electric heaters can be expensive to operate, hiking up your electricity bill in the pool season. But a pool heat pump is much more energy-efficient and costs much less to run. However, they won’t work well in colder temperatures since they rely on warmer, outside air to work.

Solar Pool Heaters

Powered by the sun’s heat, solar pool heaters come in a wide range of options. The simplest solar heaters use black coils to harness the sun’s rays to warm up your water. After exiting your filter pump, your pool water passes through the heated black tubing or solar dome before it’s transferred back into your pool.

More complex solar setups require solar panel installation and permanent plumbing fixtures. But the simplest solar heaters are easy to install, energy-efficient, and affordable. On-the-ground solar heaters with black tubing, however, take the longest to heat up your water.

For this type of above ground pool heater to work, you need lots of sunny, warm days to heat up your water. But if you do live in a hotter climate, a solar pool heater is the least expensive and most energy-efficient option.

Keep in mind that solar blankets and solar covers aren’t meant to directly heat your poo. These solar options stop evaporation and keep heat and water from dissipating, especially at night. But they don’t necessarily actively heat your pool. So solar blankets are a great compliment to a pool heater system but not a substitute.

How to Choose the Best Heater for Your Pool

Location

Where your pool heater goes may not seem all that important, but, you may need to use things from your yard or home to install it. A gas pool heater typically sits next to the pool or a nearby shed so it can connect to your pool’s water filter and pump system. They’re bigger than their electric equivalents, but require a lot less room compared to a solar heater. However, some do require access to a natural gas line.

An electric heater can be 50% smaller than the gas version. They are generally installed next to the pool or with the filter and pump. And they obviously need access to electricity.

Finally, a solar pool heater will take up more space and require more planning before you install them. Some will sit near the pool, while some can go on the decking or fencing. And you will need access to direct sunlight. So it’s crucial to measure and plan the layout to make sure there’s adequate space available.

Ease of Installation

If you’re planning for a DIY installation, passive solar pool heaters are the easiest option. They require no extra electric or gas hookups.

If you are looking to have an electric pool heater installed, you may be able to install this yourself. But even if you successfully connect the piping for the flow of the water, it’s always better to have an electrician connect the system and confirm that everything is working properly since the electrical equipment is around water.

A natural gas pool heating system is the most difficult to set up because it often requires both gas and electrical connections. As with an electric heater, it’s better to hire a professional to make sure the gas connections are secure before you start to use the pool heater. You may also need a natural gas line installed if you don’t have one.

Pool Size

The larger your pool volume, the harder your pool water heater will have to work. Because of this, it’s rare to use a passive solar pool heater if you have a huge pool. But if you do want to use solar energy to heat your swimming pool, you can add additional panels to keep the water warm. If you have a very large pool, opt for a gas or electric heater.

Note: Pool heaters use British Thermal Units (BTUs) to indicate heat potential. A single BTU increases the temperature of 1 lb of water by 1 degree, a heater with a higher BTU will heat your water faster. Be sure to check the heater’s BTU or pool size capacity before buying.

In-Season Water Temperature

Climate is a major factor in deciding on the best pool heater for your pool. In warmer climates, nearly any pool heater will work. It’s also likely that you won’t need a heater that’s as powerful to keep your pool at the right temperature.

For warmer areas, an electric heat pump or a solar pool heater is an effective choice because they pull heat from the outdoor air or natural sunlight. In cooler climates, you’ll likely require the power of the gas pool heater.

Heater Casing

Both electric and gas pool heaters have casings to protect the equipment from water, fluctuation in temperature, impact damages, and more. The casing is also insulated to keep the water flowing through it warm before it flows back into the pool.

If you opt for a solar heating system, you won’t have to think about the casing. This type of pool heater is designed to spread out so that it can absorb the maximum amount of solar energy. But the black tubing can corrode over time due to pool chemicals.

Winterizing

If you need to winterize your pool, you’ll need to prepare your filtration system, heater, pump, and other components for the cold temperatures. This keeps your hoses, filters, brackets, and all other internal components safe from freezing temperatures, and ensures they remain in good working order from season to season.

Solar heaters have to be completely removed to winterize them safely. Similarly, electric and gas heaters should be winterized by removing the hoses and power sources, removing water, and securely storing the parts in a dry location for the winter.

Maintenance

As with other parts of your pool, your heater requires regular maintenance. This includes cleaning it, repairing it, and, depending on climate, winterizing. Passive solar options rarely need an inspection. But if you have an electric or gas heater, consider scheduling an annual professional maintenance inspection to make sure works correctly.

If you’re concerned about regular maintenance and repair, purchase a pool heater than has a longer warranty period, making it possible to get service, parts, or a new unit if needed.

Frequently Asked Questions About Above Ground Pool Heaters

Looking for more help picking out the best pool heater? Here are some common questions and answers.

What’s the best way to heat an above ground pool?

The fastest way to heat an above ground pool is with a gas pool heater. They can raise your water temperature by up to 30 degrees. But the most cost-efficient, effective method is a heat pump. Just keep in mind that pool heat pumps are less effective in dramatically colder temperatures.

Solar pool heaters are the cheapest and most energy-efficient option. But it will take several days to increase your water temperature with a solar pool heater.

How much does it cost to heat an above ground pool?

It can cost anywhere from $0 per month (solar heater) to $800 a month (propane gas heater) to heat your pool. It depends on the type of energy you’re using. Propane tends to be more expensive than natural gas. And direct flow electric heaters use more power than heat pumps. According to PoolResearch.com, a heat pump costs up to $200/month to heat a pool compared to a direct flow electric heater which costs $600/month.

Can you install an inground pool heater on an above ground pool?

Not all pool heaters are designed to work with above ground pools. But there are many models that are built for both inground pools and above ground pools. Just keep in mind that gas heaters can raise your water temperature by 30 degrees or more. So some models may be too powerful for a smaller, above ground pool.

What is the cheapest way to heat an above ground pool?

The cheapest way to heat a pool is with a solar heater setup. This involves running your pool water through heated, black tubing that’s naturally warmed by the sun. You can make these yourself or purchase them online. Just keep in mind that things like solar pool covers or solar rings only help retain heat, not add heat to your pool. If you’ve already got a pool heater and you want to reduce your power or gas bill, use these methods to help hold in as much heat as possible.

What size heater do I need for my above ground swimming pool?

The size of pool heater you need depends on the volume (or cubic square feet) of your pool and the length of your swimming season. Smaller pools that hold up to 13,000 gallons can get by with a 50,000 BTU heater. Larger pools that hold up to 21,000 gallons need at least 85,000 BTU. Bottom line, the larger your pool, the more BTUs you’ll need to warm the water efficiently.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post The Best Above Ground Pool Heater of 2023 appeared first on Swim University®.

Keeping these criteria in mind, our two picks for the best natural gas and propane gas pool heaters are:

• Raypak Digital Electronic Ignition Pool Heater (Natural Gas)
• Hayward Universal H-Series (Propane Pool Heater)

For smaller or above ground pools, we recommend the Pentair MasterTemp 125 Pool Heater

The type of heater you choose depends on the type of gas you have available. Natural gas pool heaters require a gas line for installation. If lines aren’t available on your property, you’ll either need to pay to have them installed, or opt for a propane pool heater. And keep in mind that propane heaters tend to be more expensive to run than natural gas.

Curious about how gas pool heaters work and the features you should look for? Keep reading for our complete guide to the best natural gas and propane pool heaters.

FYI: We’re a small team of pool industry experts and researchers that care about recommending quality, reliable pool products. If you do choose to click a link and buy any of the products we recommend, we earn a commission at no additional cost to you.

Best Natural Gas Pool Heater: Raypak Digital Electronic Ignition

Our Top Pick

Raypak Natural Gas Pool and Spa Heater

The Raypak gas heater is a high-efficiency pool heater with a small footprint. This heater includes a digital control panel (LCD) for temperature selection and heater settings.

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This natural gas heater from Raypak uses an electronic ignition system that keeps your water consistently warm. It will automatically start whenever it finds the pool’s water temperature has fallen below your preset levels. And the LCD screen ensures that you can easily set and monitor temperature at any time.

Ranging from 206,000 BTU to 399,000 BTU, this heater works with both above ground and inground pools. However, if you have a small above ground pool, you may find even the smallest BTU has too much power.

Best Propane Pool Heater: Hayward Universal H-Series

Our Top Pick

Hayward Universal H-Series Pool and Spa Heater (Propane)

This heater is super reliable and protects against corrosion and premature failure caused by unbalanced water chemistry. Its design also reduces your pump run time to provide energy savings.

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If you need a propane heater, the Hayward Universal H-Series is a great option. With units available from 150,000 BTU to 400,000 BTU, you’ll be able to find the option that works best for your pool size and climate. Best of all, it’s a low NOx model, so it’s environmentally friendly and meets standards for areas where low NOx units are required.

Unfortunately, this particular model is designed only for inground pools. Pool owners with smaller or above ground pools should consider the Pentair MasterTemp 125.

Best Budget Propane Gas Pool Heater: Pentair MasterTemp 125

Pentair MasterTemp 125 Compact Energy Efficient Propane Gas Heater

This gas heater provides an option for either propane or natural gas. Its compact size is perfect for heating smaller pools.

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The Pentair MasterTemp 125 is not only perfectly sized for smaller or above ground pools, but it also costs half as much as other heaters. Its compact design is powerful enough to heat pools up to 15,000 gallons and is best suited for above ground pools. It’s also low noX certified, which means low emissions.

With user-friendly indicator lights, the Pentair MasterTemp 125 is simple to operate and monitor. And its corrosion and UV-resistant housing make it a durable, long-lasting heater.

By the way, if you need more help taking care of your pool, be sure to check out our pool maintenance video course. 

Frustrated by adding chemicals and trying to keep your pool clear all the time?

We cut out all the confusion of pool maintenance in this easy-to-read illustrated ebook and video course. It'll help you save $100 right away on pool care!

Click Here to Learn More

How Do Gas Pool Heaters Work?

You’ll find some gas heaters that run on natural gas and some that run on propane gas. Fundamentally, the two work the same way.
As your pool’s pump circulates water, water comes out of the pool, through a filter, and into the heater. The gas (fuel) burns in the combustion chamber to generate heat to warm up the water, and then sends it back out into the pool.

Gas heaters warm up your pool faster than electric pool heaters (pool heat pumps) or solar pool heaters. They’re also the most effective option for pool heating when temperatures are colder.

Natural Gas vs. Propane Pool Heaters: Which One is Better?

Natural gas and propane pool heaters work the same way. The difference lies in the fuel they use. Both fuels are colorless and odorless. And both are clean-burning fossil fuels, but that’s not all that matters.

Natural gas comes to your property via gas lines, so it may not be available in your local area. And propane is delivered via large tanks. With a natural gas line, you’ll never have to worry about running out of fuel. But propane is more energy-dense than natural gas, so you get more energy from it than you would the same amount of natural gas.

That said, natural gas is much cheaper than propane. In fact, you could save thousands each year using natural gas. It costs an average of $2,500 to $10,200 a year ($200 to $850/month) to run a propane pool heater (depending on location, pool size, and swim season). Natural gas, on the other hand, costs an average of $1,400 to $4,800 per year (about $100 to $400 a month).

If the cost of natural gas is 40% of the cost of propane in your area, then natural gas is the cheaper option for heating your pool water.

The cost to purchase the heaters will be about the same. And installation costs are similar as well. But it really comes down to your access to natural gas and the cost of fuel in your local area.

How To Choose The Best Gas Pool Heater

Pool Size

The bigger your pool, the more BTUs you’ll need to heat it. Smaller pools, up to 13,000 gallons can generally get by with lower BTU models (as low as 50,000 BTU). If you’ve got a larger pool, with 18,000 gallons or more, you’ll need more power.

Climate and Pool Temperature

If you live in a warmer area, you can get by with a smaller unit, since your heater won’t have to work as hard to heat water to your desired temperature. But if you live in a colder climate or you want a year-round swimming season, you’ll need a larger unit to account for the seasonal changes in outdoor air temperature.

Where Your Pool Heater is Located

Your gas heater will generally sit next to the pool, or in a nearby shed. The heater must be placed where it can connect to the pool pump and water filtration system. That means you’ll need plenty of room and the ability to connect it to your gas line, propane tank, and electricity.

Installation Requirements

If you were hoping for a DIY pool heater installation, we’re sorry to say that gas heaters are the most difficult to install. Why? They need both gas and electrical connections. So it’s best to hire a pool professional to install it for you.

The installation costs vary depending on where you live and whether or not you need to alter any of your existing pool plumbing or groundwork to install it.

Heat Conservation

Your heater will be insulated with either plastic or foam to keep as much heat in the water as it flows through the system. The better insulated your heater is, the better it can maintain a warm water temperature with less effort. When your system doesn’t have to work as hard, it will last longer, and you save energy. If you really want to save energy, use a pool cover to hold in the heat while the pool’s not in use.

Heater Casing

The heater casing is a special material designed to protect your equipment from water, temperature fluctuations, impact damage, etc. Aesthetically, they’re also designed to blend in with your surroundings so they don’t ruin your decor.

Winterization

No matter what type of pool heater you buy, you’ll need to winterize it. Winterizing your equipment prepares your pool and all of its components, including the heater, for the colder part of the year. To winterize a gas pool heater, you’ll need to disconnect all the hoses and power sources. Then remove all the water with a shop vac and store all the components in a dry location.

Maintenance

Just like you have to maintain the right water chemistry in your pool, you’ll also need to regularly maintain your pool heater. Doing so ensures it’s in good working order for years and extends its lifespan.

And if you don’t maintain the chemicals in your pool, especially your pH, you can wear out your gas pool heat exchanger.

Have your gas heater professionally inspected every six months if you operate a year-round swimming season, and once a year if you don’t.

If you’re worried about regular maintenance and repair costs, choose a pool water heater that features an extended warranty. This will make it easier to cover service and parts, or a replacement unit, should the need arise.

Frequently Asked Questions About Gas Pool Heaters

Need more help picking out the best pool heater? Here are some common questions and answers.

Is a gas pool heater worth it?

Gas pool heaters are more effective at heating your water compared to electric or solar heaters. It’s the most efficient way to heat pools in colder areas and the best way to extend your pool season. But if you live in a warmer climate or you want to spend less money on running your heater, a gas heater may not be the best option.

Are gas pool heaters expensive to run?

The operating costs to run a gas heater will depend on the cost of gas in your area and how much you run it. And keep in mind that natural gas costs less than propane. It costs an average of $200 to $850 per month to run a propane pool heater vs. $100 to $400 per month for a gas heater.

How much does a gas pool heater cost?

A gas heater will cost you an average of $2,000 to $3,000, depending on its size, BTUs, and the manufacturer. While they do cost more initially than other types of pool heaters, they’re the best option for heating pools quickly and keeping water warm in cooler climates.

How long does it take to heat a pool with natural gas?

The amount of time it takes to heat your pool depends on your pool size, the BTUs of your pool heater, and your desired temperature. Use this formula to get an estimate: Gallons of water x Weight per gallon (8.33 lbs) x Degrees of temperature increase / BTU output of the heater.

For example, here’s the amount of time it takes to raise the temperature in a 15,000 gallon pool by 10 degrees with a 100,000 BTU heater:

• 15,000 x 8.33 = 124,950
• 124,950 x 10 degrees = 1,249,500 BTUs needed to heat the water 10 degrees
• 1,249,500 / 100,000 (BTU output) = 12.495 hours

What is the cost to heat a pool with propane vs. natural gas?

Expect to spend anywhere from $200-$850 a month with a propane pool heater or $100-$400 a month with natural gas. Propane may be more energy-dense and require less fuel than natural gas, but propane is usually more expensive than natural gas.

If the cost of natural gas is 40% of the cost of propane in your area, then natural gas is the cheaper way to heat your pool.

What size pool heater should I get?

To figure out the right pool heater for your needs, you’ll need to know your pool’s volume (you can use our pool volume calculator). Then reference the pool heater’s guidelines regarding BTUs and pool size. It’s always a good idea to go higher, particularly with a gas heater. A bigger BTU unit helps to warm up your pool faster and compensate for the loss.

How long does a gas heater last?

Your gas pool heater should last an average of 10 years. Regular maintenance will extend its overall lifespan, so pool owners should factor that into ongoing costs. If you go extended periods without using it, always have it inspected and conduct any necessary maintenance and repair before starting it up again.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post Best Gas Pool Heaters of 2023 (Propane and Natural Gas) appeared first on Swim University®.

With those considerations in mind, tour top picks for the best inground pool heater are:

• Hayward Universal H-Series (Natural Gas or Propane)
• Hayward HeatPro Heat Pump (Electric Pump)
• SmartPool S601 Pool Solar Heaters

For pool owners with smaller pools who want a cheaper option, we recommend the Pentair MasterTemp 125.

If you live in a colder climate, skip the solar pool heater and opt for the heat pump or gas pool heater. A gas pool heater will heat your water faster and work better in colder temperatures. But the heat pump is more energy-efficient and you’ll spend less money running it.

For those in sunnier climates who don’t mind waiting a day or two for the water to heat up, a solar heater is a good option. Depending on the size of your pool, you may need to install multiple panels to reach your ideal temperature.

Want to learn more about the features you should look for in an inground pool heater? Keep reading to see our complete guide on the best inground swimming pool heaters.

FYI: We’re a small team of pool industry experts and researchers that care about recommending quality, reliable pool products. If you choose to click a link and buy any of the products we recommend, we earn a commission at no additional cost to you.

How Do You Choose the Best Inground Pool Heater?

If you live in a colder climate or need to heat a larger pool quickly, we recommend the Hayward Universal H-Series Gas Heater (it comes in either propane or natural gas). Gas heaters are extremely powerful and can heat your water up by 20 or 30 degrees. However, it will cost you over time, since gas is the most expensive utility to use to heat your pool.

For a more energy-efficient option that’s still powerful, consider the Hayward HeatPro Heat Pump. It utilizes ambient heat from the outside air, helping you save money on your utility bill. But even though this heat pump is more energy-efficient, it may not work as well in extremely cold temperatures as a gas heater.

Finally, if you live somewhere sunny and you don’t mind waiting a few days for your pool water to heat up, the SmartPool S601 Pool Solar Heaters is both very affordable and extremely energy-efficient. But unlike a heat pump or gas heater, it can take several days for your water temperature to rise.

Finally, if you have a smaller pool and you want a more affordable option, we recommend the Pentair MasterTemp 125. It’s a few thousand dollars less than the Hayward Heat Pump and Natural Gas Heater but it runs on propane and only works in pools up to 15,000 gallons.

Best Inground Gas Pool Heater: Hayward Universal H-Series

Our Top Pick

Hayward Universal H-Series Pool and Spa Heater (Natural Gas)

This heater is super reliable and long-lasting. The cupro nickel heat exchanger protects against corrosion caused by unbalanced water chemistry. And it provides major energy savings with low NOx emissions to meet air quality standards.

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The Hayward Universal H-Series Gas Heater comes as either a natural gas or propane pool heater. It’s available in a variety of sizes, ranging from 150,000 BTU to 400,000 BTU. And it’s an environmentally-friendly option for those in locations where low-NOx emissions are required. Keep in mind that you’ll likely have to pay to install it: professional installation is recommended to ensure plumbing and gas lines are handled correctly.

With a properly sized heater for your pool, you can expect the temperature to increase by one to two degrees an hour. A 40,000 BTU heater will warm a 33,000-gallon pool from 77 to 86 degrees in eight hours. Once it arrives at the set temperature, it will kick on a few times a day to maintain it.

Looking for another natural gas option? We recommend the Raypak Natural Gas Pool Heater.

Best Inground Electric Pool Heater: Hayward HeatPro Heat Pump

Our Top Pick

Hayward W3HP50HA2 HeatPro Heat Pump, Beige

This easy-to-install heat pump uses less energy than natural gas and propane heaters. The Hayward HeatPro 50K BTU Heat Pump will quickly and energy-efficiently heat smaller above ground pools.

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The Hayward HeatPro is a compact electric pool heater designed to heat your pool efficiently without taking up a ton of room. The titanium heat exchanger and “ultra gold” evaporator coil are chemically corrosion resistant. This makes it a great choice for coastal environments and saltwater pools. The lightweight design (coming in at less than 250 pounds) also makes it easier to transport.

But the best feature? Unlike other heat pumps, the Hayward HeatPro will even work when the outside air temperature is lower.

The HeatPro is fairly complex to install and is best left to professionals. You’ll need at least six feet of clearance above the heat pump at installation. And it’ll also take several hours to heat the water if you have a larger pool of over 25,000 gallons.

Best Inground Solar Pool Heater: SmartPool S601 Pool Solar Heaters

Our Top Pick

Smartpool Solar Pool Heating System

This solar pool heater features 80 square feet of solar panels that'll raise pool water temperature 6-10°F (4-6°C).

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If you’re looking for a solar heating system, the SmartPool S601 Pool Solar Heater System is a very affordable option. Designed for DIY installation, this solar heater system will raise your pool water by 6 to 10°F over several days.

Keep in mind that you will need space in the sun for this heater since it measures 4 feet by 20 feet. And it does not come with an installation kit, so you’ll need to purchase that separately.

For this particular setup, it’s recommended you have enough solar panels equal to at least 50% of your pool’s surface area square footage. If your pool’s surface is 500 square feet, you’ll need 250 square feet of solar panels for 50% coverage.

Best Budget Pick Inground Pool Heater: Pentair MasterTemp 125

Pentair MasterTemp 125 Compact Energy Efficient Propane Gas Heater

This gas heater provides an option for either propane or natural gas. Its compact size is perfect for heating smaller pools.

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The Pentair MasterTemp 125 is an affordable, propane gas option for smaller pools (up to 15,000 gallons). At only 80 pounds, this compact pool heater ensures it can fit in tight spaces where other heaters aren’t an option. It also features a rotating digital display so you can always see the current water temperature.

Because it has less power than the other options, the Pentair MasterTemp 125 won’t be enough to keep your pool at an adequate temperature if you have more than 15,000 gallons.

By the way, if you need more help taking care of your pool, be sure to check out our pool maintenance video course.

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How Do Different Types of Inground Pool Heaters Work?

Inground pool heaters are available in three types: gas, electric, and solar. And each one has its advantages and disadvantages, including energy efficiency and price.

Gas Pool Heaters

Gas pool heaters are a good choice for those who have an easily accessible gas line near their pool. In colder climates, gas pool heaters are the most popular option because of how effective they are. Though they will cost more to purchase and run than their electric or solar counterparts, they will produce more heat in a shorter period.

Electric Pool Heaters and Pool Heat Pumps

When it comes to electric pool heaters, you have two types to choose from: a direct flow water heater or a heat pump. Heat pumps use the ambient air to heat the water and are one of the most energy-efficient, powerful heating options on the market.

An electric heat pump pool heater works just like an air conditioning unit but in reverse. It pulls the air in, heats the water, and pushes the warm water out of the pool heat pump. Because it’s so energy-efficient, a heat pump is one of the best electric options for heating your pool.

Solar Pool Heaters

Solar pool heaters use the sun’s warmth to warm up the water. The most effective systems use a series of panels attached to the roof of your home or a rack near the pool.

For solar heaters to work effectively, you must live in a warmer climate with a lot of sunny days to heat the water. If you’re in a hot climate, solar is an energy-efficient way to heat your swimming pool. If you’re in a cooler climate, solar panels aren’t effective.

Keep in mind that solar blankets, solar rings, and liquid solar covers only help reduce evaporation and heat loss. They aren’t very effective at heating up the water on their own.

How to Choose the Best Pool Heater for Your Pool

Your Climate and Swim Season

The local climate and the length of your swim season influence the type and size of the pool heater you need. For a warmer climate, any type of pool heater will work. You could also purchase a smaller unit since the heater doesn’t have to work as hard to maintain your ideal pool temperature.

If, however, you want a year-round swimming season, even in a warmer climate, you may need a more powerful heater like a gas heater.

Pool Size

If you have a small pool, you can purchase a heater with fewer BTUs. A heater’s heating power is measured in British thermal units (BTUs.) And 1 BTU is the amount of energy it takes to warm one pound of water by one degree Fahrenheit.

The larger your pool, the more BTUs you’ll need to heat the pool water to a comfortable temperature. And the longer you want to extend your swim season, the more BTUs you’ll need as well. In general, a 50K BTU works well for pools up to 13,000 gallons.

While it’s not as common to see solar heaters with large pools, you can install multiple solar panels to increase the heating capacity and keep your water at the ideal temperature. However, if you’ve got a large pool with more than 18,000 gallons, choose either an electric or a gas heater.

Location of the Pool Heater

Depending on the type and size of your pool heater, you may need a lot of space.

Gas heaters generally sit next to the pool or in equipment housing that’s close by. This is because they need to connect your pool’s pump and water filter system. They’re also much larger than electric heaters, but require less room overall than a solar heater.

Electric heaters can be up to half the size of a gas heater. They’re also installed next to the pool or with the pump and water filter.

Finally, solar heaters take up the most room and need planning before installation. Some can be placed near the pool, but others may go on the roof or the deck. Measuring beforehand to make sure you have enough available space is key.

Installation Requirements

If you’re planning on installing the pool heater yourself, some options are more difficult than others.

Gas heaters are the most difficult to install because they typically require both electrical and gas connections. It’s best to hire a professional installer.

If you’re planning on an electric heater, it’s best to hire a professional for that as well. You can connect the piping for water flow, but an electrician should connect the system to ensure everything is working properly because electrical equipment is in such proximity to water.

Solar heaters are generally the easiest for DIY installations but will take more time. As long as you have the right tools and the necessary space on your property, you might be able to install this option yourself.

Heater Casing

Unless you’re dealing with a solar heater, you will have casings around the heating equipment to protect it from water, impact damage, changes in temperature, and more. The casing is insulated to ensure the water stays warm as it flows through before going back into the pool.

If you’re worried about aesthetics, the heater casing is designed to blend in with your decor rather than stick out.

With solar heaters, you don’t have to worry about casing because it is designed to spread out so that the panels can absorb more of the sun’s energy.

Heat Conservation

Pool heaters are insulated with plastic or foam to direct the heat they produce into the water as it flows through. Better insulated heaters will be able to maintain a warm water temperature without working as hard. This results in less energy consumption.

Winterization

Winterizing is a process that prepares your pool and all of its parts for cooler temperatures associated with the winter season. It keeps filters, brackets, hoses, and other components safe from the temperatures and ensures that they work well for you from one swim season to the next.

If you have a solar heater, it can be more challenging to winterize panels located on your roof. It’s a bit more straightforward to winterize an electric or gas heater. Simply disconnect the hoses and power sources, remove the water, and securely store all components in a dry location. To ensure the heater is completely dry, you can use a wet vac or a leaf blower before you put it in storage.

Maintenance

Your pool heater will require regular maintenance to insert that it runs optimally. This means taking the time to clean it and repair it when necessary. Depending on the climate you’re in, you may also need to winterize it every year.

Regardless of the kind of pool heater you purchase, plan on having it professionally inspected once a year and if you use your pool all year, have it checked twice a year.

If regular maintenance and repair is a major concern, opt for a pool heater that features a longer warranty period. And in general, heat pumps tend to last longer than gas pumps or solar heater systems.

Frequently Asked Questions About Inground Pool Heaters

Looking for more help picking out the best pool heater? Here are some common questions and answers.

How much is a heater for an inground pool?

Plan on spending several thousand dollars on a gas pool heater or pool heat pump. The pricing depends on the BTUs of the unit – with more BTUs required to heat larger pools or smaller pools to warmer temperatures. Solar heater systems are much more affordable but they are far less effective at heating your water.

What is the best way to heat an inground pool?

The best pool heater for your pool depends on how quickly you need to heat your water, the outside air temperature, and how much you’re willing to spend on the ongoing cost to run your heater. In colder climates, you’ll want either a gas or an electric pool heater, as those have more power to heat the water to hotter temperatures and more quickly. A gas heater will usually cost you more to run than an electric heater. On the other hand, for those in warm climates, using a solar heater can increase your pool water’s temperature without any ongoing costs. But it may only increase by a few degrees and over a longer period of time.

How many BTUs do I need to heat my inground pool?

If you have a smaller pool (up to 13,000 gallons), a 50,000 BTU pool heater is enough to heat your water. However, if you want to have a longer swim season in the colder months, you may need a BTU output of up to 65,000.

But if you have a larger pool, up to 21,000 gallons, you’ll need a larger heater around 85,000 BTUs. Most heaters provide calculations on their websites.

Can you add a heater to an existing inground pool?

Yes, you can add a pool heater to an existing inground pool. The type and size you should add depend on your climate, your swim season, your budget, and how much space you have to install it. While it’s more difficult to install than with an above ground pool, it is possible. It may just require a professional.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a step-by-step downloadable guide with everything you need to know about pool maintenance.

The post The Best Inground Pool Heater of 2023 appeared first on Swim University®.

Backwashing reverses water flow to remove contaminant buildup in your sand filter. And it’s a simple process of connecting a backwash hose to your filter and using the backwash setting to send water from your pool through your filter and out the waste port. In general, you should backwash your filter if the filter gauge pressure reads above 10 PSI or you notice a weak flow of water out of your return jets. But you’ll need to backwash more often if you have an algae-infested pool or you’ve just used a pool flocculant.

Check out the video tutorial below or keep reading for a step-by-step guide on how to backwash your sand filter.

What is Backwashing?

As water regularly passes through your sand filter, it leaves behind dirt, debris, and other contaminants in the filter medium or sand.  Over time as water flows through, that filter medium will become clogged. And that can reduce your filter’s effectiveness.

When you backwash, you’re sending water backward through your filter and out your filter’s waste port or drain port. This forces all the debris caught in the filter medium to dislodge and clear out.

You’ll need to regularly backwash a sand filter or diatomaceous earth or D.E. filter, but you do not need to backwash if you have a cartridge filter.

By the way, if you need more help understanding your filter and keeping your water clean and clear, check out our Pool Care Video Course.

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When to Backwash a Sand Filter

In general, you should backwash your filter when your filter pressure rises 10 PSI above normal running pressure or if you notice poor flow from your return jet.

Take note of the pressure gauge reading when you first set up your filter or right after you backwash. That’s your normal operating filter pressure. When the pressure gauge reads 10 psi or more above normal, it’s time to backwash.

Just make sure you don’t want to backwash too frequently. When there’s a little build-up in your filter, it actually helps capture tinier bits of debris. A clean filter is good. A slightly dirty filter is better. But a clogged filter is bad and needs backwashing.

You’ll also need to backwash if you’ve recently filtered out a lot of debris, contaminants, or dirty water. If your filter is running after cleaning up an algae bloom or after a heavy storm, you’ll need to backwash. It’s also a good idea to backwash your filter after you’ve vacuumed your pool or if you’ve used a pool flocculant.

How Do You Know if Your Sand Filter is Clogged?

Here are a few ways to tell if your sand filter is too dirty and it’s time to backwash.

Filter Pressure is 10 PSI Above Normal

If you notice that your sand filter’s pressure gauge reads 10 PSI or more over its baseline, it’s time to backwash. You can find your filter’s normal operating pressure by looking at your pressure gauge after backwashing.

Low Water Flow from Return Jets

If you notice low water flow out of your return jets, it’s a sign you need to backwash. Generally, when the flow rate drops, you’ll see an increase in PSI, and may even see cloudy water.

Cloudy Pool Water

If your water isn’t as clear as it usually is, or you can see visible debris in the water that the filter should have removed, that can be an indication your sand filter isn’t filtering effectively.

After Heavy Rain or Debris Load

If a large amount of dirt or debris gets into your pool water, like after a big rain storm, you’ll need to backwash after clearing out the debris with a skimmer net and a manual vacuum or after shocking your pool water.

How to Backwash Your Sand Filter Step By Step

The backwashing process is easy, but following the right steps in the right order will help you avoid filter damage and get your filter system as clean as possible.

And before you run your filter, make sure your pool’s water level is halfway up the skimmer or higher, since you’ll be losing pool water in the process. Finally, to backwash, the only extra supply you’ll need is a backwash hose.

Heavy Duty Pool Backwash and Drainage Hose with Clamp

$39.99 ($0.40 / Foot)

When backwashing your pool filter, use this easy-to-roll up and store backwash hose.

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01/27/2023 06:41 pm GMT

1. Turn the filter system off. Then remove the skimmer basket, especially if it’s full of debris.
2. Attach the backwash hose to filter waste port. This is also known as the waste line or backwash port. Your backwash hose will have a lot of water flowing out of it, so be sure the end is placed in an appropriate spot.
3. Turn your multiport valve to the Backwash position. Then turn the filter system back on. Water should be flowing out of the backwash port and through the hose.
4. Let the water run for about one minute, or until the water runs clear. Check the water clarity coming out of the end of your backwash hose or check your filter sight glass.
5. Turn your filter system off and turn the filter valve from Backwash to Rinse. This will help remove sand from your lines before the water flows back into your pool. If you don’t have a Rinse setting, use the Waste setting.
6. Turn your filter system back on and rinse the filter for about 30 seconds.
7. Turn the filter system off and turn the multiport valve to the Filter setting. You can now turn the system back on and run it regularly.
8. Refill, test, and balance your pool water as necessary. The backwash process removes water from your pool and you’ll need to rebalance your chemicals.

Note: Make sure your filter is off before turning your filter valve into a new position. Moving the filter valve handle while the filter is on or while water is flowing can damage the multiport valve handle gasket.

What if Backwashing Didn’t Work?

If you’re still experiencing signs of a dirty sand filter, it’s time to re-evaluate:

• Check all your pool chemical levels to make sure something else isn’t causing cloudy water, like your pH or calcium hardness.
• Check for damage to your sand filter. If your sand filter is very old or very cheap, you could have a cracked lateral inside the sand filter tank. Or your need your entire filter may need replacing.
• Check the rest of your pool plumbing system for clogs or leaks. If you have low return jet pressure, you could have a leak or clog in the pressure side of your pool.

If you’re still experiencing pressure problems, be sure to check out our Pool Filter Pressure Troubleshooting Guide.

How Often Do I Need to Change the Pool Filter Sand?

You will need to change the pool filter sand every three to five years. And you’ll know it’s time to change the sand in your filter if the water is dirtier than usual and the sand is clumped together or greasy.

Pool Filter Sand

$59.87

Coarse filter media for pool sand filters.

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01/27/2023 06:37 pm GMT

Laterals are the bars of star-shaped section at the bottom of the sand filter. With time, regular wear and tear and pressure from the sand may cause them to break. And if you have a broken lateral, your filter’s efficiency will suffer.

Frequently Asked Questions About How to Backwash a Sand Filter

Need more help backwashing a sand filter? Here are some common questions and answers.

How often should you backwash your sand filter?

You should backwash a pool filter when you notice the filter pressure running 10 PSI above normal, cloudy water or if you notice low water flow coming from your return jets. For more information, check out our video on How Often Should You Backwash a Pool Filter.

What’s the difference between backwash and rinse?

Backwash sends water in the opposite direction through the filter. Rinse sends water through the same in the same direction as normal filtration. The Rinse setting clears dirt from the clean side of the sand before sending it back to the swimming pool.

Do you backwash or rinse a sand filter first?

Backwash the filter, then rinse the filter afterward to prevent blowback into the pool. The backwash setting flushes contaminants built up in the sand. And the rinse setting resets the sand to its original position for the best filtration.

How long do I rinse my sand filter after backwashing?

Rinse your filter for at least 30 seconds after backwashing. Otherwise, you could risk blowing sand back into your pool through your return jets.

Does backwashing remove water from the pool?

Yes, a certain amount of water loss is unavoidable when you backwash. But you can reduce the amount of water you lose by closely monitoring the clarity of the water as it comes out of the waste line and stopping the process as soon as it runs clear.

How do I backwash my above ground pool sand filter?

Your above ground sand filter should have the same settings as any other sand filter, including backwash and rinse. If you don’t have these settings or you don’t have a waste port, you may have a cartridge filter instead. If you have a smaller filter like an Intex sand filter, you may want to do your backwashing in rounds. Backwash for one minute and then rinse for one minute. Repeat this cycle for 3 rounds to avoid blowing anything back into the pool.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post How to Backwash a Sand Filter for a Super Clean Pool appeared first on Swim University®.

• Salt water pools are still chlorine pools. The salt water generator converts salt into chlorine. So instead of adding chlorine directly to your water, you’re adding salt.
• You’ll save money on chemicals, but you’ll spend more money on equipment. The units themselves usually cost over $1,000 and you’ll need to buy replacement salt cells every 5 years.
• You won’t need to buy, handle or add chlorine ever again. You’ll never have to add weekly doses of chlorine to your pool! But you’ll still need to test your water chemistry and keep an eye on your salt water generator to make sure it’s working properly.

With that in mind, if you’re in the market for a salt water system, we recommend the Hayward Salt Chlorination System. It has one of the longest lifespans compared to other units and you’ll get full control over your chlorine output levels.

Hayward Salt Chlorination System (Salt Water Generator)

This salt water generator (or salt water chlorinator) has a high/low salt and temperature indicators to help protect your equipment. And the self-cleaning salt cell makes regular maintenance easy. Check out their models for both inground and above ground pools.

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However, if you have limited space to install your salt system, the Pentair IntelliChlor is an alternative, more compact option. Just keep in mind that its replacement parts are more expensive. Finally, if you have a smaller above ground pool and you’re looking for a budget-friendly salt system, check out the Krystal Clear Intex Salt Water System.

Keep reading for more information about each option and whether or not a salt water system is worth it for your pool.

The Best Salt Water Pool Systems

No matter what type of salt water system you choose, always purchase from a reputable brand and look for salt water generators that come with a decent warranty. You’ll need to replace your salt cell every 5-7 years, so you’ll want to make sure you’re able to find replacement parts in the future. Finally, before making any purchase, double-check for compatibility with your pool and plumbing setup.

Best Overall: Hayward Salt Chlorination System

Hayward Salt Chlorination System (Salt Water Generator)

This salt water generator (or salt water chlorinator) has a high/low salt and temperature indicators to help protect your equipment. And the self-cleaning salt cell makes regular maintenance easy. Check out their models for both inground and above ground pools.

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This Hayward Salt Water System is ideal for inground pools up to 40,000 gallons. Installation is relatively easy and the digital display makes it simple to adjust your chlorine output. It works well with other pool automation systems to allow you more customizable programming options. And it includes the Hayward TurboCell Salt Chlorination CELL-15, which comes with a 3-year warranty.

The only downside to this system is that it takes up more room than other salt chlorine generators. But if you can find the space, the Hayward Salt Water System is worth it for its longevity and ease of use.

Runner Up: Pentair IntelliChlor Salt Chlorine Generator

Pentair IntelliChlor Salt Chlorine Generator Cell

This compact salt water system is easy to install and perfect for closely-packed pool plumbing setups. The easy-to-read display makes adjusting your salt and chlorine levels simple and intuitive.

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Because of its compact size, the Pentair IntelliChlor is easy to install in almost any pool plumbing set up. It features an easy-to-view display so you can keep an eye on salt levels, cell condition, and water cleanliness. It’s also available in multiple models, making this a flexible choice for all pool sizes, working with both smaller pools (up to 20,000 gallons) and larger pools (up to 60,000 gallons).

However, you will need to purchase an IntelliChlor power center, sold separately, to make this unit work. And because this is an “all-in-one” unit, the replacement cells cost more compared to other salt water systems. So expect to spend more money in the future compared to other salt water chlorinators.

Best Budget: Intex Krystal Clear

Intex Krystal Clear Salt Water System

This salt water system is built for above ground pools of up to 15,000 gallons. It's easy to install and hook up to existing Intex pump and filter systems, but it's also compatible with other smaller, above ground pools (adapters may be required).

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The Intex Krystal Clear Salt Water System is a popular, affordable option for above ground, small pools up to 15,000 gallons. Whether you have a new or existing pool, you can install it with no additional plumbing required. It comes with adapters that allow you to add it to other types of pools beyond Intex. And it features a programmable digital timer that lets you easily control chlorine output.

However, it can be more challenging to find replacement parts with this brand. And it does require you have a pump installed with a flow rate of at least 700 gallons per hour (GPH).

How Does a Salt Water Pool System Work?

A salt water pool still sanitizes your water with chlorine, just like a traditional pool. But instead of purchasing and adding chlorine to your water, you use pool-grade salt, sodium chloride.

The generator uses electrolysis to separate the salt in the pool water into two primary components, one of which is chlorine. But even after the chlorine is made, the salt stays in the water and gets recycled and reused by the salt water chlorinator.

Salt water swimming pools generally need salt levels of 3,000 parts per million (PPM) before the generator will start working. That’s the same salinity as human tears, so your pool water won’t be salty like ocean water.

By the way, if you have other questions about pool chemistry and pool maintenance, check out our Pool Care Video Course.

Frustrated by adding chemicals and trying to keep your pool clear all the time?

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How Much Does a Salt Water System Cost?

On average, most high-quality salt water chlorinators cost over $1,000. You’ll also have the cost of salt cell replacements about every 5 years, which can cost several hundred dollars. The larger your pool, the more expensive your salt water system will be.

Are Salt Water Systems Worth It?

With a salt water system, you never have to worry about buying, handling, and adding chlorine again. And salt water chlorinators produce a steadier, more consistent flow of chlorine in your pool water. That means you’re more likely to avoid algae issues, contaminant build-up, and chloramines (the byproduct of used-up chlorine). That means no chlorine-like smell and less skin and eye irritation for swimmers.

Salt water systems also require less hands-on chemical maintenance. Instead of manually adding chlorine granules or liquid, simply add salt to your pool water and your chlorine generator creates a steady, consistent flow of chlorine. And salt water systems include flow switches to control chlorine output.

Finally, buying and using salt is much cheaper than chlorine. A salt chlorine generator produces chlorine at approximately $1/pound. Whereas purchasing chlorine at your local pool supply store puts it at $2 to $4 a pound.

That said, of course, salt water pool systems aren’t the ideal choice for all pool owners. They do come with a higher initial investment (over $1,000 before installation). And you’ll also have to pay for a salt cell replacement about every 5 years. And that can cost several hundred dollars. But again, you’ll be spending less money each year on chlorine.

Also, any build-up of salt will corrode pool equipment, especially any metal that’s in or around your pool. This includes screws, heaters, lights, patio furniture, and diving board attachments. And salt water splash out is corrosive if it builds up on pool landscaping or coping.

But overall, a salt water system is a great investment for any pool owner looking to avoid handling and adding chlorine to their water while keeping their pool consistently sanitized.

Frequently Asked Questions About Salt Water Pool Systems

Need more help deciding if a salt water generator is right for your pool? Here are some commonly asked questions and answers.

What are the disadvantages of salt water pools?

Because salt water pools are more complex to maintain than traditional pools, they may require experienced technicians to take care of even minor issues. And if salt builds up on equipment or surfaces, it can erode your pool equipment and parts. That includes pool heaters, pool lights and fixtures, liners, and masonry work around the edge of your pool.

Is it cheaper to run a salt water pool compared to a chlorine pool?

Pool salt costs significantly less than chlorine and you’ll likely only need to add it to your water once or twice a year. But you’ll likely have higher electricity costs because you’re running a salt water generator. A 20,000-gallon salt water pool uses an additional 500 watts of electricity to power the salt water generator. That translates to around $40 to $50 more a year in electric costs. But you’ll likely save that amount of money (or more) by not having to buy chlorine.

Are salt water pools hard to maintain?

No, salt water pools are not hard to maintain but the equipment itself (the salt water chlorinator) may require professional maintenance and repair. But while you may need to hire out help for the salt water system itself, you won’t have to deal with buying, storing, and adding chlorine to your pool water.

Can you switch from chlorine to salt water pool?

Yes, it’s very simple to convert a traditional chlorine pool to a salt water pool. All you have to do is install the chlorination system and add pool salt to the water. From there, the generator will produce chlorine for you. Remember, chlorine is the sanitizer in both pools! For a step-by-step guide, be sure to check out our guide on Salt Water Pool Conversion.

Do salt water pools get algae?

Salt water pools are still susceptible to algae blooms, but the continuous and steady supply of chlorine from the salt chlorine generator should help prevent green water. Most generators have a super chlorination feature to increase your chlorine level and kill contaminants. But you may need to shock your pool if you’re already dealing with a significant algae issue.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post Salt Water Pool Systems: What’s the Best One and Are They Worth It? appeared first on Swim University®.

Here’s everything you need to know about how pool aerators work and whether or not it’s worth owning one.

What is a Pool Aerator?

A pool aerator is a water feature that pulls air into the water to increase oxygen levels, improve circulation, and help with chemical distribution. A dedicated aerator is usually attached to the side of your pool (like your coping or deck) and connected to your return line.

Pool Aerator and Attachable Waterfall Fountain

This easy-to-attach pool aerator creates a waterfall feature to help circulate your pool and cool down your water. And the swivel design lets you turn it under the water when it's not in use.

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As it collects water from your pool, the pool aerator shoots it out in a stream, creating oxygen. Exposing water to air will help cool down your pool water, and the additional oxygen created by the aerator can reduce your pool water temperature by 3 to 4 degrees Fahrenheit.

For the best results, run the aerator at night. Cooler air temperatures will bring down the water’s temperature faster than running it during the day.

Benefits of a Pool Aerator

There are several benefits to having a pool aerator, especially for pool owners with chronically low pH, circulation issues, or hot pool water. So if any of the following apply to your situation, consider installing one.

Note: If you already have water features in your pool, like a pool fountain, these also offer aeration. So you might not need to purchase and install a separate aerator.

Cools Down Pool Water in Hot Climates

When you’re pool’s water temperature is consistently subjected to hot air temperatures, it can be impossible to cool down. And an aeration system is the only way to cool down hot water.

Running an aerator at night will help bring oxygen to your water and bring down your temperature. However, if you live in a humid climate or your nighttime temperatures don’t drop, an aerator might not create the cool pool temperatures you’re looking for.

Cools Down Shallow and Above Ground Pools

An above ground swimming pool can get even hotter than its inground counterpart. Heat can transfer through the pool’s walls, which heats the water faster than an inground pool with hot air temperatures. And if you have a shallow pool without a deep end, the water temperature will increase even faster.

A pool aerator is a must-have in hot, dry, climates with an above ground pool or a smaller pool, like an Intex pool. That said, if your above ground pool doesn’t have a deck to attach a pool aerator, you’ll need to install a mister system.

Misters are standalone options that attach to your garden hose or spigot. These mister heads force water out into a mist that falls into your water to cool it down.

While pool aerators or misters will cool your pool down significantly, you may need to consider a pool cooler. Installing a pool chiller can help decreases pool water temperatures by 8 to 10 degrees Fahrenheit, which can be crucial to enjoying a pool in the hot summer months.

Raises pH Levels without Raising Alkalinity

If you need to quickly raise the pH levels in your pool without raising your total alkalinity, aeration is the only way to do it. Aeration increases oxygen and off-gases carbon dioxide from the water. And this removes carbonic acid, which raises pH without raising total alkalinity.

If your pH is rising too fast or your total alkalinity is very high, it can lead to calcium scaling. So if you do need to bring down your alkalinity levels, check out our pool maintenance guide on how to use muriatic acid to lower your alkalinity.

Improves Water Circulation

Adding oxygen to the water provides another way to circulate the water around the pool. Even pools with top-of-the-line filtration systems may experience stagnate water at the surface and scum lines.

You can prevent the build-up of stagnant water with a pool aeration system. In addition to your skimmer and return jets, an aerator keeps the water moving at the surface to stop the buildup from happening. And it also ensures the pool water chemicals interact with more water, allowing them to work more effectively.

Cools Down Your Pool Water

Hot summer days will gradually increase the pool water’s temperature, especially if your pool is in an area where there’s a lot of direct sunlight. When you notice the water getting too warm, turning the aerator on can quickly help decrease the heat in your pool.

But just know that it is possible to “over aerate.” You could cause your pool to get too cold, or lose water to evaporation or wind. This is more of an issue for pools in incredibly dry climates.

By the way: if you want more help with pool maintenance, be sure to check out our Pool Care Video Course!

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How to Aerate Your Pool Water

There are plenty of ways to aerate your water besides a pool aerator, including misters and your own pool water features. So whether or not your want to buy an aerator, there are several options for adding aeration to your pool water.

Install A Dedicated Pool Aerator

Pool aerators are installed into your pool’s deck or coping and attached to the return line or pool pump. With its own dedicated valve, it’s easy to manually adjust the flow of water coming out of your aerator.

So if you have your pool cover on and you need to turn it off or you want to increase the amount of surface area its covering, an aerator gives you plenty of control.

Use Existing Water Features

Your pool may already come with an integrated water feature, such as a water fountain, a waterfall, or deck jets. And these water features like this also provide some aeration.

Have an attached hot tub? Look for a feature that allows you to adjust the valves so that it spills over into the pool and aerates the water. Just make sure that water isn’t already heated if you plan to use the spa overflow feature.

Adjust the Angle of Your Return Jets

Angling the return jets provides a quick way to aerate your water without needing extra plumbing or hardware. Adjust the return jets so the water comes out angled as far toward the surface of the pool as you can possibly get it.

If your return has a separate fitting behind it, you’ll need to loosen the outer ring, re-angle the eyeball fitting, then tighten the outer ring again. Practice care when tightening things up. Under high torque, can break easily. And check out our guide on Pool Circulation if you need more help.

Is It Possible to Aerate Your Pool Too Much?

There is such thing as over-aerating a pool! Over-aeration can raise your pH levels beyond the recommended range. And high pH levels can damage your pool equipment.

Be sure to test your pH and total alkalinity regularly. Your pH should be between 7.4 and 7.6 and your total alkalinity should be between 100 and 150 parts per million (ppm).

To test the effects of aeration on your water, run your aerator or natural aeration features, like fountains and hot tub jets. Then take a reading one day and two days later. If your pH has risen dramatically with all other levels equal, you might be over aerating your water.

Frequently Asked Questions About Pool Aerators

Need more help with pool aeration? Here are some commonly asked questions and answers:

What does an aerator do for a pool?

A pool aerator adds oxygen to the water. And that oxygen helps to cool down the water and boost water circulation. It also helps raise your pH levels without bringing up your total alkalinity.

When should I run my pool aerator?

For the best results, run the aerator at night. Cooler air temperatures will bring down the water’s temperature faster than running it during the day.

How do you install a pool aerator?

Installing a pool aerator is fairly simple. It attaches to the side of your pool, like your deck or coping, and connects to your return lines. Because it features a dedicated valve, you can adjust the level of flow that comes out. Always follow the manufacturer’s directions when installing your aerator.

Does aerating pool lower alkalinity?

Because aerating your pool can raise pH, anything you add to lower both pH and alkalinity will only significantly lower your alkalinity. That means if you add a pH decreaser or muriatic acid, your alkalinity levels will drop but your pH will not. Aeration is the only way to raise pH without affecting your alkalinity.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post What Is a Pool Aerator and Are They Worth It? appeared first on Swim University®.

But buying a D.E. filter for your pool isn’t that simple. You’ll have to take into consideration what kind of pool you have, what size and type of filter you’ll need, and whether you’re up for the cleaning and maintenance that a D.E. filter requires.

That said, if you are in the market for this powerful pool filter, we recommend the Hayward ProGrid D.E. Filter for inground pools and the Hayward Perflex D.E. Filter for above ground pools.

Our Top Pick

Hayward ProGrid D.E. Pool Filter

Available in multiple models, this vertical grid filter works for inground pools of all types and sizes. Its plumbing options allow for customized control and less resistance to flow for maximum performance.

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Hayward Perflex D.E. Pool Filter (Above Ground Pools)

Built for above ground pools, this D.E. filter provides powerful filtration at an economical price. Its Flex-Tube system reuses D.E. powder to keep the filter running cleanly.

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Wondering whether a D.E. filter is worth it for your pool? Keep reading for a complete guide on how these filters work and what to look for when buying the best D.E. filter for your swimming pool.

How Does a D.E. Filter Work?

A D.E. filter uses diatomaceous earth as the filter media. What is diatomaceous earth? It’s the fossilized remains of diatoms, a kind of aquatic creature with a skeleton high in silica. D.E. powder is sold at most pool and hardware retailers, so it’s easy to find – and it’s affordable, too.

When D.E. powder is added to the filter, it attaches to the grid or fingers inside the filter, creating a D.E. “cake.” And this cake, along with the filter grids inside, helps filter out fine particles in your pool water. This makes a D.E. filter the most powerful filtration system, compared to sand or cartridge filters.

Over time, the filter element will get dirty and contaminants will build up in the D.E. powder. And unfortunately, cleaning a D.E. filter requires multiple steps compared to other types.

To clean a D.E. filter, you’ll need to remove the D.E. grid and spray it down with a garden hose or soak it in muriatic acid to remove oil, minerals, and dirt.

You’ll also need to regularly backwash the D.E. filter to help remove the buildup that’s accumulated inside. That means reversing the flow of water inside the filter, which loosens the collected dirt and debris to leave the tank. That water is then sent out of your pool using the filter’s waste port.

Finally, when you’re replacing your grids or backwashing the filter, you’ll need to add more D.E. powder. This is added directly through the skimmer line where it then travels into your filter.

Our Top Pick

Diatomaceous Earth Powder (for D.E. Filters)

Filter media for backwashing and cleaning D.E. pool filters.

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D.E. FIlters vs. Sand Filters: Which One is Better?

Both D.E. filters and sand filters use powder or sand to capture particles to clean your water. And whether you use a D.E. or sand filter system, you’ll need to backwash each one regularly to help remove the dirt, debris, and dirty water.

But when compared to a sand filter, D.E. filters provide much better filtration of smaller contaminants. A sand filter will filter particles ranging from 20 to 40 microns in size, whereas a D.E. filter can handle particles as small as 1 to 6 microns. Things in your pool water like deodorant and other cosmetic products can be as small as 6 microns. And skin flakes can range from 0.5 to 10 microns. So while these might pass through a sand filter and end up back in your pool, they’ll be captured by a D.E. filter.

However, while a D.E. filter will take care of smaller particles, you can expect more maintenance, more cleaning, and a higher upfront cost.

While you’ll only need to backwash your sand filter for regular maintenance, a D.E. filter is more involved. D.E. filter grids require cleaning, which means taking apart the filter and spraying down your grids with water or soaking them in muriatic acid. And after each filter backwash, you’ll need to add more D.E. powder.

Finally, sand filters are one of the most common types of pool filters. That also means the initial investment is much more affordable than a D.E. filter. However, you’ll need to replace the sand or D.E. powder in both types of filters every 4 to 5 years.

Overall, D.E. filters are more powerful than sand filters, giving your cleaner pool water. But remember that D.E. filters require more maintenance and ongoing work and tend to be more expensive.

By the way, if you want more help with pool maintenance and pool equipment, be sure to check out our Pool Care Video Course!

Frustrated by adding chemicals and trying to keep your pool clear all the time?

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Click Here to Learn More

Our Top Picks for The Best D.E. Filters

The right D.E. filter for your pool is based on your swimming pool’s surface area and whether you have an inground or above ground pool. With that in mind, here are our recommendations for the best D.E. filters.

Best for Inground Pools: Hayward ProGrid D.E. Filter

Our Top Pick

Hayward ProGrid D.E. Pool Filter

Available in multiple models, this vertical grid filter works for inground pools of all types and sizes. Its plumbing options allow for customized control and less resistance to flow for maximum performance.

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Available in sizes from 36 sq ft to 60 sq ft, the Hayward ProGrid D.E. filter uses a vertical grid. Designed for use with inground pools of all sizes, it features a glass-reinforced copolymer to make it corrosion-resistant. It offers up-flow filtration and top-down backwashing for easy maintenance. And the easy access one-piece flange clamp assembly makes service and maintenance simple.

Finally, it comes in different models to accommodate different pool sizes. The 36 sq. ft. model offers 72 gallons per minute (GPM), while the 48 sq. ft. model offers 96 GPM, and the 60 sq. ft. model offers 120 GPM.

Best for Above Ground Pools: Hayward Perflex D.E. Pool Filter

Hayward Perflex D.E. Pool Filter (Above Ground Pools)

Built for above ground pools, this D.E. filter provides powerful filtration at an economical price. Its Flex-Tube system reuses D.E. powder to keep the filter running cleanly.

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The Hayward Perflex D.E. Filter offers models from 20 sq. ft. to 40 sq. ft., making it a great option for smaller and above ground pools. The Perflex D.E. filter cleans particles as small as 2 microns and features a patented design to provide longer cycles between cleaning. It also features a “bump” mechanism that allows the tubes to clean themselves of dirt and filter media.

Best Alternative: Pentair Quad D.E. Cartridge Style Filter

Pentair Quad Cartridge Style D.E. Pool Filter

$1,458.70

With four large capacity cartridges, this filter provides maximum filter surface area for greater dirt-trapping capacity and longer periods between cleanings. And its easily removable cartridge elements make maintenance fast and easy.

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01/27/2023 07:35 pm GMT

This cartridge-style D.E. filter features four large capacity cartridges to maximize filter surface area. This means you can capture more dirt and debris and go longer between cleanings. The 60 sq. ft. model offers a 120 GPM rate with a 172,800 gallon turnover in 24 hours. And the tank is made with fiberglass-reinforced polypropylene to last a long time.

When it’s time to clean, the cartridge elements are easy to remove, so you can spend less time on maintenance. And because of efficient water flow, your water pump will use less energy.

How to Choose the Best D.E. Filter

Here are a few things to consider when shopping for a D.E. Filter.

Type of Pool

D.E. filters work with any type of pool, including saltwater pools. But if you have an above ground pool, be sure to look for a D.E. filter model that’s able to hook up to your system. And keep in mind you might not necessarily need to invest in a D.E. filter if you have a smaller pool. Sand filters and cartridge filters are a more budget-friendly option and usually provide adequate filtration in pools with smaller surface areas.

Filter Size

Without the right sized filter and pump, your pool either won’t be cleaned enough or you’ll be wasting energy and unnecessarily shortening the lifespan of your filter.

The right size filter will turnover all of your pool water at least once a day, you’re. And to completely clean your pool water, you’ll want to turn it over three times in 24 hours. That means if you have a 15,000-gallon pool (a full turnover) you need a filter that can handle 45,000 gallons every day.

If you need help calculating your turnover rate and filter flow rate based on your pool size, be sure to check out our guide on How Long Should I Run My Pool Pump Every Day?

And be sure to consult your filter’s specs to make sure you’re meeting or slightly exceeding the gallons per minute required for your pool.

Filter Valve Type

A D.E. filter comes with a valve to help with backwashing and maintenance. Some D.E. filters feature a push/pull valve, which is simpler to use. Others have a multiport valve with multiple modes to handle various functions.

Multiport valve options commonly include the following filter settings:

• Filter: Normal mode for filtering the water and returning it to your pool
• Backwash: Reverses the flow of water to clean the filter and sends the water out the waste line
• Rinse: Removes loose particles and sends them out through the waste line
• Waste: Sends dirty water out through a waste line
• Circulate: Bypasses the filter to circulate your pool the water
• Closed: Closes off any water coming into the filter
• Winterize: Shuts down and protects filter for the colder months

Push/pull valves, on the other hand, are much more simple and easy to use. When the filter is in use, the handle is down, and when backwashing, the handle is up. This means it’s less likely to break or malfunction than a multiport valve, but you miss out on other options like Rinse and Winterize.

Types of D.E. Filters

You’ll find grid D.E. filters and quad filters. And grid filters come with either panels or fingers. The panels are usually curved, made with polypropylene, and arranged in a circular pattern. These panels are layered on top of one another, enabling better filtration and water flow through the tank.

Finger systems, on the other hand, use a grid that looks like vertical fingers. They can house up to 100 filters arranged in a concentric circle. This configuration gives you a more balanced water flow in the tank, during filtering and backwashing, so you have a higher flow rate and lower filter pressure.

Compared to finger systems, the grid design makes the filter system easy to clean. You do not need to remove them from the tank to clean or backwash.

Finally, there are Quad D.E. Filters. These look more like cartridge filters. Four cylindrical grids are made with thick woven polyester and offer an increased water flow rate and longer filter cycles.

Cleaning Requirements

One of the drawbacks of a D.E. filter is that it requires more effort to clean. But you don’t have to backwash it as often as you would a sand filter. And once you have done it a few times, it’s a simple thing to add to your regular pool maintenance routine.

Depending on the kind of filter you use, you may need to completely remove the grid from the tank to hose it down or soak it in muriatic acid.

Installation Requirements

Installing a D.E. filter isn’t all that difficult. After the grids are in place, hook the filter up to the plumbing and the multiport valve.
Keep in mind that filters won’t always provide adequate fittings for connecting everything. So it’s a good idea to make sure you have all the pieces to connect your filter to your existing pool equipment.

After that, mix your D.E. powder with water (according to your filter’s directions) and pour it into your skimmer with the pump running. It will be sent through the pool system. As it moves through, the D.E. sticks to the filter grid to create a D.E. “cake” that helps filter your pool water.

Filter Tank Construction

You can find pool filter tanks made with metal or high-quality plastic, such as ABS thermoplastic. A plastic tank is corrosion-resistant, which is crucial since it will be constantly subjected to water.

You’ll also need to consider tank size. Some models are large and round. Some are tall and slim. This of course relates to how large the tank must be to accommodate your pool, but it is also important if your space is limited.

Frequently Asked Questions About D.E. Filters

Looking for more help with D.E. filters? Here are some commonly asked questions and answers.

What does D.E. stand for in D.E. Filter?

D.E. stands for diatomaceous earth. It’s the fossilized remains of diatoms, aquatic creatures. It’s often found in river beds and the ocean.

How much does a new D.E. filter cost?

On average, the cost of a D.E. filter ranges from $500 to $2,000, depending on the size and complexity of the system. It is the most efficient filtration system, resulting in cleaner water, which helps prolong the life of your pool equipment.

Are D.E. filters better?

D.E. filters offer better filtration, but they aren’t the cheapest to buy and they require more effort to clear. If you’re worried about your budget, then a sand or cartridge filter will be better. If you want the cleanest water, then a D.E. filter is better.

Can I put D.E. in my sand filter?

Yes, you can put a small amount of D.E. powder into your sand filter after each backwash to help improve its filtration temporarily. But you assume some risk because sand filters are designed to be used with sand and it might void your filter warranty. And always start with a small amount, because too much will clog the system and possibly ruin it.

Which is better: a D.E. filter or cartridge filter?

D.E. pool filters are better for filtering out small particles but cartridge pool filters are easier to use. Which one is better depends on your budget and how much filtration you need.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post D.E. Filter: How Does It Work and Is It Better Than A Sand Filter? appeared first on Swim University®.

Here’s a step-by-step walkthrough on putting together your own DIY solar pool heater. You can watch the video below or keep reading for the complete tutorial.

How a Solar Pool Heater Works

The design of this easy DIY solar pool heater is pretty simple. Colder water is pulled from your pool by a sump pump. That water then enters a coil of black tubing that’s warmed by the sun. Then that heated water returns to your pool.

For this setup, you’ll need a sunny spot off of the ground to set up your solar heater, and you’ll need a few supplies that should cost you less than $100.

Keep in mind that this isn’t nearly as powerful as purchasing an electric water heater or gas water heater, but it’s extremely affordable to run and build. And this type of solar pool heating works best with above ground pools since it’s not powerful enough to heat an inground pool.

Supply List for Homemade Solar Pool Heater

Here are the supplies you’ll need for your DIY pool heater:

• 200 feet of ½ inch black irrigation hose. This polyurethane hose can be bought either online or at your local hardware store, so it’s worth shopping around for a good price. Just make sure it’s black since it needs to absorb the heat of the sun. Now keep in mind that you’ll need more than 200 feet if you have a larger pool. Your hose length should equal at least 50% of the square footage of your pool’s surface. For example, if your pool is 16 feet by 32 feet, that’s a surface area of 512 square feet. And that means you’ll need at least 256 feet of irrigation hose.
• Submersible pump. The easiest option to get water flowing through your irrigation hose is with a sump pump. Hopefully, you already have one as a pool owner. If not, this might be the priciest supply on the list and could set you back about $50. And while you can use your pool pump, it’s useful to have the heater and pump function separately.
• Irrigation hose connector for your pump. These are made specifically to connect ½ inch irrigation hoses to faucets and pumps.
• Plywood board and wood pieces to frame it. This is the wooden tray where your irrigation hose will sit. It will also keep your hose off the cold ground and allow you to angle it towards the sun. The size of your piece of plywood will depend on how much of the hose you’re using. But a 4×4 sheet of plywood is big enough for about 200 feet of hose. You’ll also want some wood to stabilize and frame your sheet of plywood. Also, an extra piece of wood is helpful to hold down your coiled hose. And to secure the wood, you’ll need wood glue, a drill, or a hammer and nails.

There are a few optional supplies you might want to help your solar pool heater work even better:

• Black spray paint, black plastic, or black roofing felt. Painting the wooden tray black or covering it with a black tarp or black roofing felt will add more heat to your solar heater set up. If you use plastic or roof felt, you might need a staple gun or duct tape to attach to your wood.
• Clear plastic tarp. Covering the entire tray with a clear tarp will trap more heat. It’s like turning your setup into a mini oven.
• Black PEX tubing instead of irrigation hose. PEX tubing is usually a lot more expensive than black irrigation hose. But irrigation tubing can wear down from heat and pool chemicals after a few years. So if you want to invest in something more long-lasting, use PEX coil.
• Shut-off valve or ball valve. A simple shut-off attachment at the end of your hose will help you control the flow of water and you can turn it off if it’s getting too hot.
• Solar blanket or solar cover. A solar blanket helps stop evaporation and heat loss at night. Without a solar cover, you’ll lose any water temperature you’ve gained during the day. So it’s critical to help keep that heat in your pool.

How to Build a DIY Solar Pool Heater

1. Set up your wooden tray. The goal is to keep your irrigation hose mounted on something above the ground so that you can angle toward the sun. A flat sheet of plywood can work totally fine on its own, but framing it by adding wood to the sides will help make it more sturdy.
2. Line your wooden tray with black fabric, black felt, or black paint. If you want to increase the amount of heat you capture, you’ll want to line your tray with something black at this point. But this is optional and might not be necessary, especially if you have a smaller pool.
3. Coil up your irrigation hose on your wooden tray. Start coiling your irrigation hose on your wooden tray. Your hose should lie flat on the wood, almost like a record on a turntable. You want to wrap the hose as tightly as you can so you can fit as many loops as possible. Placing a 2×4 on top of the hose as you coil it can be helpful to help brace the hose. It can also help to have a second person to hold things down. Be sure you have the ends of your hose on different sides of your wooden tray. One of these ends is your inlet where cold water is pumped in. The other is your outlet where hot water leaves. They shouldn’t enter and exit at the same point in your pool water.
4. Wrap your solar heater in the clear tarp. If you want to wrap your solar heater, now’s the time to do that. But again, this is an optional step. You may want to test your heater first and add the clear tarp afterward.
5. Add your hose attachments. Attach your irrigation hose connector to the end of your hose that will be going into your pool. This is to connect your sump pump. Also, attach your shut-off valve or ball valve to the opposite end of your hose if you’re using one.
6. Set up your solar heater and attach your sump pump. Place your wooden tray near your pool, off of the ground, and in the sun. Then attach your sump pump to the irrigation hose connector. Submerge the pump in the water and turn on your sump pump. Be sure your hose outlet is in the pool to return the hot water.

By the way, if you want more easy tips and tricks on taking care of your pool, check out our Pool Care Video Course.

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Troubleshooting Your Homemade Solar Pool Heater

If you’re having trouble getting the water to warm up, here’s some troubleshooting tips:

1. Keep your sump pump and the returning hot water on opposite sides of the pool. Make sure that your pump that’s pulling in cold water is far away from the hose that’s adding in hot water. This will increase the efficiency of your solar heater. And place your pump as low as possible in the pool, since colder water tends to be at the bottom.
2. Increase your pump speed. The faster your flow rate, the more heat you’ll transfer to the pool water. You might not notice a bigger pool temperature difference, but you’ll actually increase your heat energy transfer. Aim for a 2 to 5-degree difference between the water coming out of your pool and the heated water going back into your pool. A continued, slow temperature rise means you’ve got an efficient heater.
3. Mount the coils off the ground and maximize the heat from the sun. You don’t want the cold ground to cool off your tubing, so make sure it’s mounted slightly off the ground. And like we mentioned before, you can also line your tray with plack plastic or cover your coils with a clear tarp for more sun absorption and insulation.

Frequently Asked Questions About Solar Pool Heaters

Looking for more help on how to build a solar pool heater for your swimming pool? Here are some common questions and answers.

Can I use a garden hose instead of an irrigation hose?

We don’t recommend using a black garden hose for this DIY project. Garden hoses are made from many different materials and have different diameters than irrigation poly tubing.

How do I make a more powerful solar pool heating system?

If you don’t want to do it yourself, you can purchase solar panels online. It’s an easy way to create a larger version of this DIY solar water heater without having to hack together your own system (it will, however, cost hundreds of dollars more).

Store-bought solar panels usually come with connector kits, allowing you to build a series of solar collectors. You’ll also need plywood, lumber, PVC pipe, a 3-way valve, clamps, and fittings.

Alternatively, you can build and connect multiple DIY pool water heater systems. But no matter what type of solar collection you use, be sure to use a pool cover, like a solar blanket or solar cover, to keep heat from escaping your pool at night.

Need More Pool Maintenance Help?

• Download our free Pool Care Cheat Sheet. It’s a free, easy-to-use guide to help you keep track of taking care of your pool.
• Subscribe to our Swim University YouTube Channel. We publish free video tutorials throughout the pool season.
• Check out our Pool Care Course. You’ll get 30+ step-by-step videos and a downloadable guide with everything you need to know about pool maintenance.

The post How to Build a DIY Solar Pool Heater for Less Than $100 appeared first on Swim University®.

NOTE: The following automatic pressure-side pool cleaners are available to buy on either Amazon and InTheSwim.com. Check both sites for availability. All the links are affiliate links which means if you click a link and make a purchase, we earn a commission at no additional cost to you. It helps us keep the lights on

The Best Pressure-Side Pool Cleaner for an Inground Pool: Polaris 360

Our Top Pick

Polaris Vac-Sweep 360 Pressure Side Inground Pool Cleaner

$579.00

The Polaris 360 automatic pool cleaner improves water circulation and helps mix chemicals and heat while it cleans the bottom and walls of your pool. It’s powerful enough to pick up larger items like leaves and pebbles, catching the debris in its own filter bag.

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01/28/2023 12:58 am GMT

Polaris Cleaners are a trusted brand in the pool industry. And the Polaris 360 is the gold standard in pressure-side automatic cleaners. We chose this one specifically because it DOES NOT require a booster pump and perfect for all inground pools of any size and shape.

The Polaris 360 includes three jets to create the water vortex that vacuums up medium and large debris (see diagram below). It comes with a 31-foot hose and single chamber filter bag. Plus a backup valve that automatically frees the pool cleaner if it gets cornered so it keeps cleaning without interruption.

The Best Pressure-Side Pool Cleaner for an Above Ground Pool: Polaris 65

Our Top Pick

Polaris Vac-Sweep 65 Pressure Side Pool Cleaner for Above Ground Pools

$288.99

Connects to the pressure side of your pool and uses a patented jet sweep assembly to loosen and remove dirt and other particles from hard-to-reach places. It also has a trailing all-purpose debris bag that scoops up some of the larger items that are blasted loose from the pool floor.

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01/27/2023 11:50 pm GMT

Again, Polaris tops our list for above ground pools. The Polaris 65 is the most unique cleaner on the market. This simple floating spaceship design moves back and forth across the surface of your pool. Then, using water pressure, it has a long 6-foot hose attached to a filter bag that descends to the bottom of your pool sweeping medium and large debris.

You’ll be surprised by how well and fast this cleaner works. And it has very few moving parts, so it’s easy to fix and maintenance when needed — which is rare.

How Do Pressure Pool Cleaners Work?

Pressure-side pool cleaners hook up to a return jet in your pool and use water pressure from the filter system to propel itself through your pool and vacuum using a water vortex.

Pressure-side pool cleaners have wheels, a filter bag, a sweep hose, and a return-jet hose. They’re great at picking up medium and large debris.

The cleaner moves on its own randomly around the pool. If it gets stuck anywhere, most come with a backup valve. The valve kicks on every so often, stopping water flow to the cleaner and instead, blasting all the water through a tiny jet on the side of the valve. This produces a burst of force that shoves the cleaner to a new location so you can get on with your life and not worry about whether your pool cleaner is doing its job.

What’s the Difference Between Pressure-Side and Suction-Side Pool Cleaners?

Suction-Side Pool Cleaners attach to the skimmer. And it uses the suction power of your filter system to move the cleaner and pick up debris from your pool.

Pressure-Side Pool Cleaners attach to the return jet. They use the water pressure from your filter system to power the cleaner and create a water vortex to pull debris into its own filter bag.

A robotic pool cleaner is the best of both cleaners. They clean your pool without the use of your filter system. They use suction instead of pressure and collect dirt and debris in its own filter bag inside.

Buying Guide: 5 Key Features We Looked For In A Pressure-Side Pool Cleaner

We put lots of automatic pressure pool cleaners to the test over the years. And we’ve read thousands of customer reviews. Ultimately, we narrowed down our top picks to these features.

1. Wall Climbing Ability

This was a must-have feature for fiberglass, vinyl, and concrete inground swimming pools. We even noted if it climbed and cleaned stairs.

2. Does It Require A Booster Pump?

Some pools won’t have quite enough water pressure to run certain pressure-side cleaners. If you choose a cleaner that needs a lot of oomph, you may also need a booster pump that hooks into your pool’s filter system boosts the water pressure.

Note: If you must use a booster pump, we recommend having a professional install it. It’s a little more complicated than just the pool cleaner.

3. Does It Have a Backup Valve?

Many pressure-side automatic pool cleaners have this simple-looking little doodad that helps redirect your pool cleaner so it will clean the entirety of your pool, rather than spend a few hours stuck by your stairs.

4. How Long Is The Hose And Can It Be Extended?

Another important feature for both inground and above ground pools so that our top picks would work for everyone. Even if the hose that comes with the cleaner isn’t long enough, we wanted to make sure you could easily add extensions. This also makes it easier to store.

5. Durability and Build

You don’t wanna invest in an automatic pool cleaner just to have it break constantly. We looked for cleaners that we felt were made well and durable. Our goal is to recommend cleaners that will stand the test of time and hold up in even the harshest conditions.

Plus, many local pool dealers have the ability to repair Polaris pool cleaners since they’re so popular. You won’t have trouble finding any parts to keep your cleaner for a very long time.

How to Install and Use a Pressure-Side Pool Cleaner

Once installed, your pool pump pushes water through a hose to jets located underneath the pool cleaner and along with the sweep hose. These concentrated streams of water work to move the cleaner along while also loosening debris and pushing it up into the filter bag. Fine particles will flow through the filter bag and get cleaned out in the pool filtration system.

This process is very similar to the installation and use of a suction-side cleaner, just opposite in some ways as it works at the end of the circulation cycle rather than the beginning.

1. Clean your pool filter.
2. Flush your return line by turning your pump on for five minutes, then back off again.
3. Install a universal wall fitting into your dedicated return line or a return jet.
4. Trim the leader hose so its length equals the deepest part of your pool.
5. Screw the leader hose into the wall fitting. Note: The leader hose is installed on the opposite end from suction-side pool cleaner installation.
6. Attach the leader hose to the feed hose.
7. Extend the feed hose across the pool surface to the farthest pool edge from the return line. If it extends far past the pool edge, follow the manufacturer’s recommendations for trimming the hose. Typically, you’ll cut equal amounts from each section when making adjustments.
8. Ensure all feed hose floats are evenly spaced.
9. Connect the feed hose to the pool cleaner.
10. Secure the filter bag per the instructions for your model.
11. Prime your pool pump. If you’re using a booster pump, turn it on next.

Important: Measure rotations per minute (RPMs) of the cleaner’s wheels to ensure they’re within the range recommended for your model. If your pressure-side pool cleaner’s wheels rotate too slowly, the cleaner won’t get around the pool well. If they’re rotating too quickly, the cleaner will lift off the floor, and won’t be able to vacuum properly. Ideal RPMs vary by model, so consult your manual before continuing.

• Using a marker, put a small line on one tire.
• Turn the cleaner on, and submerge it just below the pool surface.
• Set a timer for one minute.
• Count one tire rotation each time your mark passes the starting point.
• When the minute is up, compare the RPMs you counted to the manual to ensure the total falls somewhere within the recommended range.
• If it doesn’t, adjust as necessary, and repeat the test until you achieve a good number of RPMs.

Now your pressure-side cleaner is ready to roll! Use it at least twice a week, or as often as needed.

How to Maintain a Pressure-Side Pool Cleaner

Though they save you a lot of manual labor, you’ll still need to take a few practical steps to ensure your pool cleaner lives a full life. Keeping it clean is pretty simple, and routine maintenance will keep your pressure-side pool cleaner operating at peak performance.

• Carefully remove the filter bag, and allow it to dry out of direct sunlight. Once the debris inside has fully dried, you can easily dump it out.
• If the filter bag looks clogged up, give it a good spray with a hose before reattaching it to the pool cleaner. Tip: Alternate between two bags for hassle-free cleaning.
• Open the filter assembly. Remove the in-line filter, and wash it out with water.
• Secure the filter back inside the assembly.
• Check your sweep hose for debris, and hose it down when necessary.
• Clear the openings on the end of your sweep hose and in the body of the cleaner as needed. It’s a good idea to check these areas after each use.
• Ensure snug hose connections by gently hand tightening, if possible. Avoid over-tightening, which can strip the connectors.

Pressure-Side Pool Cleaner Troubleshooting Tips

Every once in a while, your pool cleaner may not work exactly the way it’s supposed to. You can fix most problems pretty easily.

• RPMs are outside the optimal range: Make adjustments per the manufacturer’s specifications. This may involve removing or adding flow restrictors, adjusting the in-line flow, cleaning your in-line filter, or cleaning your pool filter system components.
• The pool cleaner isn’t getting around the pool the way it should: Most models let you adjust the thrust jet to add or remove some power.
• The pool cleaner is spraying water outside your pool, or moving too rapidly: Adjust your sweep hose per your model’s specifications. The sweep hose should gently swish back and forth behind your pool cleaner, not flail wildly like a tube man.
• The backup valve isn’t working properly: Lift the cleaner out of the water. Wait to see if water sprays out of the valve every few minutes. If it doesn’t, you may need to replace the valve, or have your cleaner professionally serviced.

Storing a Pressure-Side Pool Cleaner

Closing your pool for the winter? Rinse the cleaner off, clean the filter and filter bag, then allow everything to dry. Store the pool cleaner and all its parts and accessories out of direct sunlight.

Lifetime Extra Large Deck Storage Box

$149.98

Perfect for storing pool maintenance equipment like cleaners, nets, brushes, hoses, and more. Also great protecting your pool gear from the sun and critters all year long.

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01/27/2023 02:55 pm GMT

Are Pressure-Side Pool Cleaners Any Good?

Bottom line: we highly recommend investing in an automatic pool cleaner. And if you’re not ready to invest in a robotic pool cleaner, a pressure pool cleaner is your next best option. You’ll be happy with our top picks for inground and above ground swimming pools.

Happy Swimming!

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