This video is all about one of the most overlooked but essential maintenance tasks: backwashing your Sand or DE filter every 4–6 weeks. It’s simple, but skipping it can cause a ripple effect of problems in your pool system.

How To Backwash DE Filter: https://youtu.be/Z0iME2CjTGY
How to Backwash Sand Filter: https://youtu.be/guppPzeK4_4