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Swimming Pool Filters

Whats New:

Astral Swimming Pool Parts Diagrams has been updated with five new products, Including Astral Multiport Valves. Please call 954-442-1066

Updated: June 14, 2016

We Carry Brands By

American Pool Products
Auto Pilot
Baracuda Pool Cleaners
Carefree Ionizers
Hayward Pool Products
Jandy Pool Products
Letro Pool Products
Pac Fab Pool Products
Purex Pool Products
Polaris Pool Products
Pentair Pool Products
Sta-Rite

..... Many More

Recent Events:

Whitefly Invasion

demo The Whitefly arrived in Florida in 2009. Today it is found from the Florida Keys to the Palm Beaches. Areas infested leave a "honeydew-like" like film on pools that rapidly depletes chlorine. A favorite host to the white fly is the coconut palm, often found near pools. If you are experiencing rapid chlorine depletion that cannot be explained by any other means, contact you pool professional.

Updated: August 2014

Swimming Pool Filters A Review

Swimming pool filters come in three styles: Cartridge, Diatomaceous Earth (DE) and Sand, This page explores the differences

My Pool?Features a complete line of filters and parts from all the major manufactures. Sta-Rite, American Products, Purex, Jacuzzi, Harmsco, Hayward, Swimquip, Pac-Fab, and any more. Whether its a single part or a complete filters, we can supply your needs. The predominance of one filter over another is largely a marketing and manufacturing issue. It varies regionally. Regardless of filter type, when used in conjunction with proper chemical treatment all are capable of maintaining the water in a clear and sparkling state.

Every pool must meet two requirements: Safe & healthy free from bacteria and algae and should have eye appeal. It is the job of the filter to make the water appealing.

Cartridge Filter

Cartridge Filters have been around for many years, but only recently has gained in popularity in the pool industry. Like sand filters Cartridge filters come in many shapes and sizes, What ever the shape or brand, they all work on the same principal water is passed into the tank, the water is forced through the cartridge and the water is returned to the pool. When they Pressure of a Cartridge filter increase approximately 5 PSIG   The pump is turned off and the top of the filter is removed, the cartridge is removed and hosed off.  If the filter is below the water level, be sure to close the inlet valves and possible a return valve. After cleaning the cartridge the cartridge is returned to its housing and the lid reassembled.

Diatomaceous Earth (DE)

Diatomaceous Earth (DE):There are three types of DE filters Spin, Regenerative and vertical grids. Once again regardless of type they all work the same way, water comes into the filter, passes through the DE and is returned to the pool.  DE filters are considered the the finest, because they are capable of filtering the smallest particle size of all the filter types. Diatomaceous earth (DE) is a porous powder, made from the skeletons of billions off microscopic animals that died and were buried in deposits millions of years ago. Spin DE - Spin De filters are designed in a manner that the grids are arranged vertically  along a shaft, that can be turned. This causes the DE to be dislodged and then re-coat the grids, the spin process also aids in cleaning of the grids during the back wash process. Regenerative DE - The grids are generally tubes, more tubes more filtration, the tubes, hold the DE, as the pressure increases, the grids are bumped and this causes the DE to be dislodge, when the pump is turned on the tubes are re-coated and the DE can be reused. Vertical Grids- Vertical grids filters use DE, but operate more like sand filters, they usually contain a Back wash system, that when the filter gets dirty you rotate the Multi-port valve to back wash to clean the filter.

Sand Filters

Sand Filters were introduced over 30 years ago.  The sand filter is perhaps the most popular filter in the market place.  They come in many shapes and sizes, manufactured by a wide range of manufactures, regardless they all have the same mode of operation the water comes in the top of the filter goes through the sand and out the bottom of the filter. The sand is held in place  by a series of laterals at the bottom of the filter. Sand filters use a Silica sand that as been strained to give a uniform size.  It is referred to has pool grade sand # 20 Silica. The sand is normally .45 mm to .55 mm in diameter. As water is passed through the filter, the sharp edges of the sand trap the dirt from the pool water.  When the pressure of the filter increases 3-5 PSIG., the filter needs to be cleaned, this is usually accomplished  by reversing the flow of the water through the filter and flushing the dirt out the waste pipe. The back wash process is simplified by a Multi-port valve.  The Multi-port Valve is a valve that has several positions on it, one of which is back wash, the pump is turned off and the valve is rotated to the backwash position and the pump is turned on and water flows from the bottom of the filter to the top and causes the trapped particles of dirt to be flushed out the waste port of the filter. After the water run clear (usually 2-3 minutes), the pump is turned off and the valve is rotated to the rinse position.  The rinse position directs water from the top of the filter to the bottom, but not back to the pool.  This process compacts the sand and causes any remaining dirt to be flushed out the waste pipe, rather than back to the pool (usually 30-45 seconds). Once  the rinse cycle is completed, the pump is turned off and the Multi-port valve is returned to the normal or filter position. Once again turn on the pump and the water is returned to the pool. .

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    Complete Pool Filters
    Filter Parts
    Replacement Cartridge Elements