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i finally got my pool clean and the water clear. I had to take the DE filter apart and clean it every day for a week and a half, but it finally cleared up. Now my Pentair chlorine generator is flashing no flow, but there is clearly lots of flow. I saw some earlier threads about this problem...

I have a DE filter . My pressure keeps going from 20 to 30 about a half hour after I backwash it. When I do backwash, not much comes out. I am constantly taking it apart and cleaning it. the pump seems like the flow is rate is down. Maybe it does not have enough flow to properly backwash the...

I am experiencing high pressure minutes after I clean the filter. Even after acid washing. Do I just need to replace the grids? Or should I let the grids soak in acid longer? Filter is a Pentair FNSP 48 and is about 8 years old.