Curious what size pump is feeding the filter? I'd add another cup and keep an eye on the return jets to see if the DE is coming back into the pool. With my 300# Hayward it takes about 15 minutes or so for the pressure to rise and stabilize.
Al
Re: Added DE to Sand Filter, 1 cup didn't raise PSi
Curious what size pump is feeding the filter? I'd add another cup and keep an eye on the return jets to see if the DE is coming back into the pool. With my 300# Hayward it takes about 15 minutes or so for the pressure to rise and stabilize.
Al
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