How To Backwash And Clean An Above Ground Pool Sand Filter And Pump

https://lesliespoolfiltersand.wordpress.com/2019/06/16/above-ground-pool-sand-filtration-systems-reviews/

Inspect the filter to determine whether it's clogged. A sand filter is composed of hollow tank on a rack that is filled with sand filter for above ground pool sand. Sand filters are likely the very frequent kind