Backwashing a Commercial Pool: A Step-by-Step Guide
How do you backwash a commercial pool? Backwashing a sand or DE filter is a simple task. Shut off the pump, set the multiport valve or slide valve handle to the backwash position, roll out the backwash hose and turn the pump on again. Backwash for 3-4 minutes or until the water runs clear, then … Read more