What really concerns me is that after a while no water was coming out of the returns when the pump was running on low speed. Something had become clogged after the DE was in for a few hours. High speed worked fine albeit at much higher PSI.
Re: Adding DE to a sand filter
What really concerns me is that after a while no water was coming out of the returns when the pump was running on low speed. Something had become clogged after the DE was in for a few hours. High speed worked fine albeit at much higher PSI.
Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
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