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Swimming Pool Sand Filter System

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How Long Should I Run My Pool Filter Each Day

How to use your Swimming Pool Sand Filter | In-Depth Operational Guide

How does a swimming pool filter work? Now that you know the answer, the next question to ask is, How long should I run my pool filter each day?

If your pool is going to stay clean, all of the water needs to pass through the filter at least once per day. So, the amount of time you run your filter will vary depending on your pool size. Most swimming pool experts recommend around eight hours a day.

You can refine this number by researching how many gallons per hour your particular filter can process. Use this number and the volume of your pool to determine the exact amount of time you should run the filter. Larger pools may need longer than eight hours, while small pools may need less.

Criteria You Should Consider When Looking For Sand Filters

When youre considering a sand filter, you need to consider the size of your pool to make sure you have enough volume of sand to handle the amount of water youll be putting through it. If you dont know how many gallons of water are in your pool, use our swimming pool volume calculator. The manufacturers recommendations and the total surface area of the sand will help you decide which size is right for your specific application.

Sand filters are probably the most common filter type on the market for swimming pools. Since they are very common, you should be able to get parts without too much difficulty when needed. But, if youre going to be servicing the filter yourself, be prepared for some hard work any time you need to change the sand.

For more tips on how to find the right filter, head over to my best pool filter guide. There youll find a lot more detailed criteria on choosing the right filter and my top picks from popular brands like Hayward, Intex, and others.

Best Choice Products Pro 2400gph 13

The Best Choice Products Pro Sand Filter is a budget-friendly option that doesnt sacrifice its value. Its meant for above ground pools up to 10,000 gallons. This doesnt have the best instructions for installing, but help is available online.

This sand filter is housed in a one-piece 13-inch thermoplastic tank with a capacity of 42lbs of sand. The self-priming pump features a top mounted 6-position multiport valve and a filtration rate of 2400 GPH. Lastly, this sand filter meets safety standards as it is ETL and UL listed, and its CSA certified.

Next, on our best pool sand filter list is the GAME Complete Sand Filter Unit that has an easy-to-use 4-position rotary valve. It filters, backwashes, rinses, and winterizes. This has a 40 GPM flow rate, and it is designed to work with above ground pools up to 15,000 gallons.

This SandPro 50D sand filter is known to be an energy-saver the ½ HP pump helps it maintain a lower energy cost without interfering with its functionality. Along with this sand filter, you get a large capacity hair and debris strainer basket that has a see-through lid.

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Filter Glass As An Effective Filter Medium In The Pool Sand Filter

The filter glass is considered an environmentally friendly filter medium for water treatment in your pool.

It is made from the excess white and green glass production in the glass industry and is 100% recyclable.

The unique manufacturing technology enables excellent filtration and prevents the filter medium from clumping quickly.

In addition to efficient filtration, the formation of bacteria is also slowed down, as no bacteria collect on the smooth surface of the glass.

Another advantage of the filter glass is that the system does not have to be backwashed often, and you save electricity costs.

The only question that remains to be clarified before buying is which grain size of the filter glass is the right one for your pool filter.

Grain size of 0.3 to 1.00 mm is recommended for filter glass. This grain size enables a filter fineness of 5 µ and is therefore 30% more efficient than conventional sand.

And when do you have to change the filter material in the sand filter system?

The filter glass in the pool filter system is changed every 3 to 4 years, depending on the load.

I need to mention: Most pool shops try to sell filter glass as a future-oriented alternative to conventional filter sand.

But the truth is, if there is a blockage with fine particles, strong oxidizing agents such as active oxygen are necessary to remove the impurities backwashing is sufficient for sand.

What To Do With Old Pool Filter Sand

Hayward Pro Series S210T93S 21 Inch Top

Old pool filter sand is actually a bit dangerous. Not only is it filled with the impurities it filtered out of your pool water, but it is potentially quite dangerous to inhale. So, dont be tempted to use it for toys or litter boxes. It is also too fine to be used in concrete mixes.

But it can be stored safely in buckets and used for winter traction in icy conditions. Or, it is actually just about the right size and consistency for creating a base layer for a paving stone patio or walkway. It can also be used to fill holes in your lawn before adding topsoil. Some people just bury it to be safe.

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Swimming Pool Moving Filter Plant

Rs 70,000 / Set

  • Minimum Order Quantity 1 Set
  • Type Of Machines Semi-Automatic
  • Usage/Application Swimming pool water cleaning
  • Plant Application Moving Plant
  • Material S.S 304 and M.S Trolley
  • Automation Grade Semi-Automatic
  • Filter 400, 450 , 550 , 700 , 900 mm
  • Motor Pump 0.5, 1 , 1.5 , 2 , 3 hp
  • Starter , wire kit provided
  • Heavy Duty , Sturdy and Rust-Proof
  • Multiple Swimming Pools can be cleaned with 1 unit
  • No Pipelines required

Our Teams Conclusion On The Best Swimming Pool Sand Filters

We hope you enjoyed our guide on finding the best sand filter for your swimming pool.

At the end of the day, the best pool sand filter is one that is easy to maintain and performs well. These are the core features of this type of pool filter. Our teams #1 tested pick is the Hayward S166T Pro Series Sand Filter.

Do you agree with our reviews and what we have on our best pool sand filters list? Let us know how you feel in the comment section below!

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Sand Filter Sand Cost

Replacement sand for your sand filter typically costs around $25 per 50-pound bag, and your filter may require 100 to 600 pounds or more depending on the size and model. More than likely, you’ll need about 350 pounds of sand for an average-sized inground pool filter. However, the main expense when it comes to your sand filter will be purchasing and setting up the unit itself.

What Is The Best Type Of Swimming Pool Filter

How to set up a Sand Filter System to Above ground pool [Intex Krystal Clear]

All three types of swimming pool filters have their own unique pros and cons, and theres no one-size-fits-all filter. If youre on a budget, you might want to choose a sand filter, which does a good job of removing dirt and debris at a wallet-friendly price. If you want a solid balance of price and performance , a cartridge filter might be the right fit for you. And if you want top-of-the-line filtration capabilities and you dont mind spending a little extra, a DE filter is a great choice.

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De Earth As Filter Material In Swimming Pools

The filtration with DE-earth takes place in a DE-filter this is earth, which consists of microscopic skeletons of organisms. .

Filtration down to 5 µ is possible with DE soil. While this is handy for water filtration, using DE soil is inherently tricky.

Backwashing can be problematic as the filter medium often becomes sticky in combination with grease. This means that the filter system has to be opened and cleaned by hand in the worst case.

Furthermore, in practice, a loss of the filter medium is to be expected during backwashing the manufacturers information here fluctuates from 10 to 90%.

The loss of the filter medium in the pool is not unimportant when you consider that lost filter material has to be refilled, which results in extra effort and costs.

Hayward S200 Series Sand Filter With Valve

The S200 Series Sand Filter by Hayward is designed for efficient water filtration and optimal water clarity. This filter has many convenient features, like an easy-access 6 inch wide inspection cover, an exclusive VariFlo control valve with six positions, and a large sand and water drain. Built from highly durable material that will stand up to the elements, the dependable Hayward S200 Series Sand Filter is injection molded to ensure long-lasting performance even in the harshest environments.

Also Check: What Kind Of Sand For Pool Filter

Sand Filter Or Cartridge Filter: Which Is Better

A cartridge filter uses pleated fabric wrapped around a cylindrical core to filter pool water and catch debris as it goes through the system. Cartridge filters are used on pools and spas, are compact in size, and don’t need to be backwashed. They are also easy to maintain as they only need to be rinsed with a hose about every four to six weeks, depending on the size. The filter might need to be soaked in a filter cleaning solution on occasion, especially if you’ve been having trouble with algae.

In our personal opinion, cartridge filters are more effective at removing impurities and keeping the pool water clear than sand filters. Cartridge filters are also easy to maintain, catch smaller particles than sand filters, reduce the load on the pool pump, and don’t require any backwashing. As a bonus, you won’t need to handle potentially dangerous materials .

What Is A Sand Filter


A sand filter is essentially a tank full of sand that’s connected to your pool’s filtration network. As pool water passes through the sand tank, the sand catches debris and particles and prevents them from returning to the pool. This results in cleaner, clearer water.

Most sand filters use #20 sand or mesh crystal silica #20, but they may also use glass or zeolite. The sand filter housing is typically made from stainless steel, fiberglass, or plastic and is durable enough to withstand the high pressure required to run the filtration system.

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Dohenys Sand Filter Tank With Valve 24 Inch

Dohenys Sand Filter Tank with Valve is an affordable, high performance sand filter that will work for many years to keep your pool water clean and clear. Designed for maximum efficiency and power, the filter has an internal diffuser that evenly distributes water over the sand bed every time. With a six-position dial valve and a convenient drain plug, Dohenys Sand Filter Tank is very easy to use and maintain. Also available, Dohenys Sand Filter Tank with Valve, 16 inch and Dohenys Sand Filter Tank with Valve, 19 inch.

Sand Filters Vs De Filters

Sand filters have a big advantage over DE filters, though they do operate on similar principles. You do not have to add sand to your filter after a backwash, as it all remains in the tank. When backwashing a DE filter, you actually rinse away the DE, along with the dirt caught in it. That means each time you backwash, you also have to add a new DE to the system.

Working with DE isnt extremely dangerous. But, some people are very sensitive to exposure, and you might want to consider wearing gloves and safety goggles when handling it. Its also not a good idea to inhale DE if you can avoid it, as the dust isnt healthy for your lungs and can be an irritant or worse. You can always wear a mask to minimize any health risks.

But, since youll be working with DE quite often, you are probably going to get tired of using all the safety gear and resort to just holding your breath and squinting a bit to keep it out of your eyes.

Safety concerns aside, it is quite easy to make a mess with DE. If you add it to the skimmers mouth too quickly, some will fall to the bottom of your pool, and youll need to vacuum it out. And, even if you are pretty careful, youll probably end up spilling some on your deck.

One way to minimize spills is to buy small, single-use bags of DE instead of a big one that might last a whole season or longer. But, the smaller bags are a little bit more expensive.

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How Do I Change The Sand In My Pool Filter

In order to change the sand in a pool filter, first backwash the pool filter and then remove the drain plug to let the water drain. Then remove your filter cover and multiport valve. Next we recommend you cover your standpipe with a plastic bag or duct tape to prevent any sand from falling down it as you remove the sand. Removing the sand is next, and we recommend removing the old sand with a Shop Vac if you have, and if not, use a cap or gently use a small garden shovel.

It is important to be careful not to damage the fingers located at the bottom of your filter when doing this. After the sand is removed, rinse the inside of the tank and use a sponge to clean the inside of the filter. Reapply the drain plug and fill the tank about halfway with water, once this is done, gently add the new pool filter sand, spreading it evenly around.

Remove the tape or bag you used to cover the standpipe, then check the lids O-Ring and replace it if needed. Next, re-install the multiport valve and filter cover, along with all of the screws and unions. Backwash your filter for a few minutes, and then switch it from backwash to rinse. Set it to rinse for a couple of minutes and finally set your multiport valve to filter.

How Does It Work

How To: Install a Top Mount Pool Sand Filter

Like cartridge filtration, a sand pool filtration system is easy to install in a plant room near the pool or in the basement of your home.

The pump circulates the water through the pools entire sand filtration system. The water passes through the filter and then a mixture of sand and gravel traps any impurities before the water returns to the pool. This enables a filtration fineness of 30 to 40 microns .

The sand filter system is one of the most widely used filtration solutions. Its easy to operate and efficient.

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Which Sand Is The Best For The Sand Filter System

Perhaps this is your first sand change, and you are wondering which sand should be best used for your sand filter system.

Not all sand is the same, and in the pool filter system, you can choose between different filter materials.

The following types of filter material are currently available to private pool owners:

  • Standard filter sand: Filtration with Silex sand.
  • Filter glass: Fine glass particles that are considered to be environmentally friendly.
  • Active carbon and sand: A combination of activated carbon and sand in multi-layer filter systems.
  • Fibalon: Modern filter medium that serves as a replacement for filter sand and filter glass.
  • Diatomaceous Earth Filter: Filtration with DE earth .

Remember: Always observe the manufacturers instructions with which type of sand your filter system should be filled. If no information can be found, the sand filter is filled with Silex sand .

The individual filter media and the differences are described in more detail in the following subsections.

How Do You Backwash A Sand Pool Filter

First, turn off the pool pump, then move the multiport valve handle from the Filter setting to the Backwash setting. Make sure your waste hose is where you want it to be to drain the waste water and then turn on your pool pump for a few minutes. Once this is done, turn it back off and turn the multiport valve handle to Rinse and then turn it on for 1-2 minutes. Turn your swimming pool pump off again after a minute or two of running on Rinse, and lastly adjust the valve handle back to the Filter setting and turn it back on.

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What Size Of Sand Filter Is Best For An Above Ground Pool

In choosing a sand filter for your quality above-ground pool, know the filter flow rate must be rated at least the same GPM as your pool pump, or slightly higher. Generally speaking, know that you need at least 1 square foot per 10,000 gallons of swimming pool capacity.

Below are some general guidelines for the size of pool sand filter you will need depending on what type of above-ground pool you have.

Round Above Ground Pools:

8 to 15 Round: 14-Inch Filter Tank & Up

15 to 24 Round: 16-Inch Filter Tank & Up

24 to 36 Round: 18-Inch Filter Tank & Up

Oval Above Ground Pools:

12 X 17 to 12 X 24 14-Inch Filter Tank & Up

12 X 24 to 15 X 27 16-Inch Filter Tank & Up

15 X 27 to 18 X 33 18-Inch Filter Tank & Up

Pentair Ths Series Horizontal Sand Filter


The Pentair THS Series Horizontal Sand Filter is designed for use in commercial swimming pools, with maximum flow rates of 535 gallons per minute. Built from a durable composite material and coated with Paracote, the filter shell is corrosion and weather-proof. The THS Series Horizontal Sand Filter is equipped with two backwash controllers and a front-access manway for easy operation and maintenance. Available in five sizes:

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