Category Pool Equipment & Repairs

How to Backwash a Sand Filter the Right Way

Backwashing a sand filter takes about 5 minutes and should be done when your pressure gauge reads 8-10 PSI above its clean baseline. This guide walks through every step, explains common mistakes, and tells you what to do after the backwash cycle to get the best results.

How to Backwash a Sand Filter the Right Way

Backwashing a sand filter takes about 2-3 minutes and should happen when your pressure gauge reads 8-10 PSI above its clean baseline. This guide walks through the exact steps, explains the rinse cycle most people skip, and covers the mistakes that turn a simple task into an expensive one.