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How do I backwash my sand filter?
Turn the pump off and set the dial valve on backwash turning clockwise. Backwash usually for about three (3) minutes. After backwashing turn the pump off again and turn the dial valve rotating clockwise to the rinse position. The pump should then be turned on and the system should be rinsed for ten to fifteen seconds after the pump has a full prime. The reason for the rinse is to re-settle the sand in the filter so that it doesn’t blow dirt or filter sand out of the jets back into the pool when you re-select the ‘filter’ setting.
Question Related To: swimming pool maintenance, pool sand filters