After the water has propagated through the filter material, it is usually collected in a perforated PVC pipe underdrain, and then transported to the storm sewer system. One of the issues with a sand ...

The three types of pool filter media are cartridge, sand, and diatomaceous earth, or DE. Cartridge filters trap and collect ...

The science behind fouling involves several physical, chemical and biological interactions that can clog or block the filter ...

“Water from the pool enters the tank,” Wells ... When it’s time to replace the sand, he recommends a Zeolite sand filter ...