DE in pool - can't figure out the problem

poolnovice1

Bronze Supporter
May 11, 2018
109
Houston
So every time the filter is cleaned or backwashed, I end up with a pound or two of DE in my robot cleaner for a few weeks and then it gradually stops.

The pool tech said he's checked the grids multiple times and he does not see a tear.

The filter O ring is fairly new and I have a brand new pool pump.

The DE seems to be coming out of the return jets.

The pool tech says this is normal but I know it is not because I didn't have this problem before. Any idea on what I should check next?
 
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