HostPooling Pool and Spa Services and Supplies

HostPooling Pool and Spa Services and Supplies

Pool Sand

Swimming Pool Sand Filter For Wastewater Treatment Plant

There are three basic choices when it comes to swimming pool filters: sand, cartridge and diatomaceous earth. Each type of filter has its benefits and drawbacks, and each is effective. To choose the best swimming pool filter for your situation, it helps to understand how each works and their advantages and disadvantages.

Sand filters are very common, easy to understand and use and inexpensive. They are considered the least effective type of filter, but are still incredibly popular. The swimming pool filter is filled with sand. Pool water is pulled into the filter and pressed through the sand. The sand filters out particles from the water.

After the water has passed through the sand filter, it flows back into the pool. Swimming pool filters containing sand can be cleaned by backwashing the sand, or, if the sand becomes exceptionally dirty, by replacing the sand in the filter, which is relatively inexpensive. The main drawback of the sand filter is that it allows some particles through the sand, back into the water.

Cartridge filters are another type of filter. These swimming pool filters clean as the pool water filters through the filtering material. The filtering material captures particles and releases the cleaned water back into the pool. Cartridge filters are a popular choice for many pool owners.

There are two basic types of filters that are available to fit into cartridges. The first are very inexpensive and will need frequent replacement. The second type is more expensive, but lasts a great deal longer. The more expensive cartridge filters can last for many years without needing replacement.

If you choose a cartridge filter, whether an inexpensive or expensive one, it will require some maintenance. When the filter becomes full of debris, it becomes much less effective. You should plan to remove the filter and gently spray it clean with a water hose once or twice over the course of each swimming pool season.

If you are constantly using your swimming pool it may be a good idea to check your cartridge filter to see if it needs to be replaced or cleaned. Filters should generally be replaced every few years and they can be cleaned every four to five months. The easiest way to really know if you filter needs to be changed is by testing the pressure. You can test your pressure by checking to see how the water is circulating throughout the swimming pool, if you have noticed circulation dwindling then you can bet that its because of the filter. If you just need to clean your filter you can use an alkaline-based solution that will kill any germs or bacteria. If you are using a sand filter then the sand should be replaced once every 18 months and the filter should be backwashed every week in order to clean the sand.
As your pool filter becomes clogged with waste and debris, the pressure increases and the water flow lessons. This requires the pool owner or operator to backwash every few weeks, depending on the water flow.

Please remember that excessive backwashing may cause a loss of sand which in turn will reduce the effectiveness of the sand filtration process. Please be aware of proper pool sand filter maintenance. The proper amount of sand should be measured from the top of the filter. Follow the manufacturer's instructions.

Should you find your sand filter low, simply get the proper grade of sand and top off the filter following the manufacturer's instructions.

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In terms of cost and efficiency for pool filters, a sand filter is probably the least expensive but least effective in removing those very small particles.

How do I know if my pool sand filter is working?

we are trying to get our pool opened, we followed the directions the previous homeowners gave us, but the filter will not work. There is no water going through it. although the pump is working fine-or so it seems-the filter does nothing.

I agree with stevepitts. Unless there a diverter that bypasses the filter it is going through…..check that first
If you have a clear crown on your filter you will not see water moving through it…. You may have a petcock on the top that you could open a bit to see if water is flowing.

Pool Sand
Swimming Pool Sand Filter Maintenance

A White Sand Dune with a Pool of Water Reflecting the Sky $39.99 Sam Abell A White Sand Dune with a Pool of Water Reflecting the Sky - Photographic Print

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Pentair Sand Shark Inground Automatic Pool Cleaner $349.99 Pentair Sand Shark Automatic PoolCleanerPowerful pool cleaning, automatically!The Pentair Sand Shark pool cleaner represents a new levelof automatic pool cleaning. Designed for use in residential inground swimming pools, the Pentair Sand Shark pool cleaner is a true dirt predator, hunting down and consuming any and all debris to be found. Its advanced, programmed steering ensures that the Pentair Sand Shark provides complete cleaning coverage. The IntelliPilot steering drive alternates between right andleft hand turns to provide highly systematic and efficient cleaning.The Pentair Sand Shark automatic pool cleaner for inground swimming pools provides powerful two-way cleaning action, dislodging stubborn dirt and debris with its flexible rubber scrubbing teeth before suctioning it away with its vacuuming action. The Pentair Sand Shark pool cleaner also cuts awide 12 inch cleaning path for faster cleaning coverage without any missed spots. Another great characteristic of the Pentair Sand Shark inground pool cleaner is its incredible convenience. All you have to do is set the Sand Sharkin your pool and let it do its job.Quick facts:The Pentair Sand Shark pool cleaner provides two-way cleaning action -- scrubbing dirt off pool surfaces and vacuuming it away with its powerful suction.Great for use on all types of inground swimming pools including vinyl, gunite, and fiberglassWide cleaning path ensures faster, more thorough cleaning coverageAutomatically avoids hang-ups on obstructions or in cornersProgrammed steering ensures an efficient cleaning pathProvides faster cleaning than random-pattern pool cleanersNo assembly requiredIncludes 32 feet of hose, vacuum regulator valve, hose weight, eyeball diverter and Vac Port door fitting (with a spring-loaded cover for added safety)

Black Sand Basin and Opalascent Pool, Yellowstone National Park, Wyoming, USA $24.99 Carol Polich Black Sand Basin and Opalascent Pool, Yellowstone National Park, Wyoming, USA - Photographic Print

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Sand hardening Formula for Inground Pool Bottoms - 5 Gallon Pail $239.99 Finally! Get a smooth, rock-hard pool bottom surface, without the expense or difficulty of working with cement. The new PB111J Sand Hardening System from SB Industries is ideal for new swimming pool installations as well as renovations / upgrades to existing pools. This innovative new product gives you the hardness of cement, with the ease & value of sand! PB111J Sand Hardening System is made from an acrylic polymer, and is available in both Inground and Aboveground formulas. It is environmentally friendly, cost-effective and very easy to use - just pour into the Base-Sprayer & pull the trigger! Sprayed over a smoothed sand surface, PB111J will dramatically improve the stability of sand, creating a tough, hard pool bottom with superiorstabilization properties - and no need to work with cement!Create asmooth, rock-hard pool bottom surface, without cement!Transforms a standard sand bottom to an ultra-smooth, hard & durable surfaceSignificantly increases the stability of a sand pool bottomNever have to wet or water down sand on hot days when installinga linerKeeps sand from sliding on hot days when troweling a poolEliminates depressions & foot printsAvailable in bothInground & Aboveground formulasSimply spray over a troweled sand-surface, for a tough, even pool baseCan also be used as a mix-in application with sand, for a true "hard bottom"Easy to use, cost-effectiveEnvironmentally friendlyLaboratory & field testedWhy Choose PB111Jvs Sand or Cement?Sand is one of the easiest & least expensive waysto create a swimming pool bottom. Sand is very easy to work with & to install, and its a cost-effective choice. But sand can also pose problems during installation and after, because it has very little structural integrity or strength. For example, sand can slide during the troweling process & it needs to be wet-down if you are working with it on a hot day. Even worse, pool owners often discover too late that sand can also create footprints & depressions under your vinyl liner, after its installed. Cement on the other hand, offers maximum structural integrity but it can be both expensive and verydifficult to work with. Solve these common problems with the new PB111J System, and get a pool bottom with the integrity of cement, without the cost orhassles!Instructions for Use Simply pour the 5-gallon pail into the Base-Sprayer and pull the trigger. Apply PB111J evenly over a smoothed sand bottom with a smooth, sweeping stroke... thats it! Factors including sun, clouds, humidity and temperature can affect your installation, so be sure to read and follow the complete Instructions provided (for guidelines, see "Installation Instructions"at the top of this page). Refer to the Coverage Guide below for approximate quantity needed by pool size & type.Coverage

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Pentair Sand Dollar SD-60 Sand Pool Filter With Valve -( 145322 , Pentair ) $359.99 Pentair Sand Dollar Inground Sand Filter - Tank Only Our unique, patented process creates a one-piece, non-corrosive tank with superior strength and durability. The Sand Dollar filter features a clamp style, six-position multiport valve. Special lateral design provides superior flow characteristics and long filter cycles for economical operation. FeaturesMaximum Operating Pressure 35 psiSix-position, Top-mounted Multiport ValveCombination waterand sand drain makes servicing and winterizing fast and easyModel # Flow Rate GPMTurnover Capacity (Gallons) 8 hrsTurnover Capacity (Gallons) 10 hr Turnover Capacity (Gallons) 12 hrs Filter Area (Sq. Ft)WeightAll Sand (Lbs)SD606028,80036,000 43,2002.328 200SD807536,00045,000 54,0003.566350

Pentair Sand Dollar SD-80 Sand Pool Filter With Valve -( 145333 , Pentair ) $469.99 Pentair Sand Dollar Inground Sand Filter - Tank Only Our unique, patented process creates a one-piece, non-corrosive tank with superior strength and durability. The Sand Dollar filter features a clamp style, six-position multiport valve. Special lateral design provides superior flow characteristics and long filter cycles for economical operation. FeaturesMaximum Operating Pressure 35 psiSix-position, Top-mounted Multiport ValveCombination waterand sand drain makes servicing and winterizing fast and easyModel # Flow Rate GPMTurnover Capacity (Gallons) 8 hrsTurnover Capacity (Gallons) 10 hr Turnover Capacity (Gallons) 12 hrs Filter Area (Sq. Ft)WeightAll Sand (Lbs)SD606028,80036,000 43,2002.328 200SD807536,00045,000 54,0003.566350

Pool $13.59 Pool

Do you know how a sand filter works to keep your pool clean?

When it comes to the types of pool filters you can install in your pool, there are enough choices to make your head spin!  The sand in a pool filter has been ground to about .45 to .55 mm in diameter and is very rough when you first start using it. Over time the sand loses its roughness and needs to be changed. The sand typically needs to be changed every five years; some have been known to go as long as 20 years without being changed although they may not be as efficient as they should be at that time. As the sand loses its rough texture the filter has to run more frequently to complete its cleaning task.

 

Tips on when to change your sand:

1.  Remove the old sand from the swimming pool filter and to do this you will need to pull the drain plug and let the water drain out.
2. Use a small cup to dig out the sand so you can expose the laterals and move the stand pipe out of the way.
3. Use caution when digging the sand out so you don't break the laterals of the filters' underdrain. They are fragile and are easily broken.
4. Once the sand is completely removed, clean and  examine the laterals. Most laterals will unscrew allowing for easy removal from the tank.
5. If you need to remove impacted dirt from the laterals, soak them in a mix of water and muriatic acid; rinse thoroughly.
6. Rinse out the tank and re-install the clean laterals.
7. Replace the underdrain assembly then add water until the tank is half full to cushion the laterals when you start to add the sand.
8. Add a bag of sand, making certain you level the sand in the sand bed before you add the next bag of sand. The amount of sand you need to add is determined by the manufacturer's instructions. If you can't find the instructions contact a swimming pool professional for guidance.
9. Once the proper amount of sand has been added, reassemble the filter tank and multiport valve.
10. It's important to start your filter system in the backwash mode to completely flush the dust from the sand and to allow the sand to settle completely around the laterals.

 

Because cleaning a sand filter is not something that is done with any regularity, you may find it easier to contact a swimming pool professional when the time comes to replace the sand in your filter.

 

How the sand filter system works:  A swimming pool sand filter separates backwash contaminates from the backwash water and then they're discarded separately.  The backwash filtering system has an inlet and an outlet and the filter and the backwash valve connects the pump outlet and sand filter inlet, and connects the sand filter outlet and pool return. When in the backwash position, the backwash valve connects the pump outlet and sand filter outlet, and connects the sand filter inlet and backwash filtering system inlet.

About the Author

Robbi Hess is a blogger/editor for www.poolinfosite.com where she blogs about all things pool-related.

Pool Sand