Had you backwashed your sand filter just before that happened? Backwashing can cause sand to blow back into the pool when you subsequently turn the pump on if you forgot to put it through a rinse cycle.
Re: Filter Spitting Sand into the Pool
Had you backwashed your sand filter just before that happened? Backwashing can cause sand to blow back into the pool when you subsequently turn the pump on if you forgot to put it through a rinse cycle.
Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
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