Question about Hayward EC65 Extended Cycle DE In Ground Pool Filter System with Pump
When the pressure goes up, try this. Pour some muriatic acid in the skimmer. (about 1/2 bottle) Let pump run for a little bit,(long enough for acid to get into filter)then shut off pump for 5 minutes or so. If pressure goes down to where it should be when it's turned back on, it needs to be disassembled and cleaned and then acid washed.
Posted on Jul 28, 2010
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Posted on Jan 02, 2017
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