Swimming Pool Filters

Sand Filter

PRO Series Sand Filter

 

Cartridge Filter

SwimClear Cartridge Filter

 

ProGrid DE Filter

ProGrid DE Filter

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Sand Filters, D.E. Filters, Cartridge Filters

There are three popular methods of filtration – Sand, Cartridge, and Diatomaceous Earth (D.E).

 

Sand

 

In this method, impurities are extracted from the water utilizing sand to collect and attract the debris. Sand filters must be backwashed (running it in reverse) to unload the water waste. This is a manual process that must be performed every few weeks. Sand filters trap debris as small as 20 to 40 microns.

 

Cartridge

 

Cartridge filters have a greater surface area than sand allowing for fewer clogs and easier maintenance. Cartridge filters are designed to run at lower pressure than sand which puts less backpressure on the pump, providing more flow and turnover. Cartridge filters should be cleaned once or twice a season by simply hosing them off. Cartridge element filters trap debris as small as 10 to 15 microns.


DE

 

Diatomaceous earth is mined and is the fossilized exoskeletons of tiny diatoms. They are used to coat "grids" in the filter housing and act as tiny sieves allowing for the removal of debris as small as 5 microns. Once the pressure rises, the filter is backwashed just like a sand filter and then "recharged" with more DE powder. DE filters trap debris as small as 2 - 5 microns.

Updated: 20 Sep 2011

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