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I backwashed again to prep for disassembly and a lot of crud was still coming out so I figured it would be worthwhile to backwash fully and then try the filter again. After turning it on back to filter it's still putting out a steady stream of water through the backwash pipe. :brickwall: I'm...

Just bought a house with an in ground pool. It's around 14000 gal with a Pentair FNS 36 DE filter. When we first got the house no problems at all. About two weeks ago I ran the vacuum and after about 3/4 of the way through it started shooting the vacuumed debris back into the pool (vacuuming on...