This is greatly aided by the type of pool filter that you use in your swimming pool. The three types of pool filters are sand, cartridge and Diatomaceous Earth. Sep 18, 2017 - A high-rate sand filter that's backwashed regularly can go many years without needing fresh sand. High-rate sand filters clean water via a . Feb 25, 2016 - Having trouble with water clarity in your pool? Replacing the sand in your sand filter may be the answer. Here's a step-by-step how to. The Pool Guy has recommendations for you: change the sand in a sand filter when . On our new construction projects, it is common to backwash weekly when . Keeping your pool's filter system in tip-top shape helps keep the water clean and safe for your family and guests. Here's a step-by-step guide to cleaning a sand . Jul 6, 2016 - A clean pool is a happy pool and it makes for a happy pool owner. Properly maintaining your sand filter can help you keep that water sparkling. May 4, 2018 - You want to use Pool Filter Sand. It's often labeled as #20 Silica sand. The best place to buy it is from a pool dealer (Us!) because the quality of . The filters in this system are high-rate sand filters. Sand filters consist of a large tank, made of fiberglass, concrete or metal, containing a thick bed of .