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  1. M

    How often should I have to backwash my DE filter when opening a dirty pool?

    Hello all, I am struggling with a filtration issue. I have a 32000 gallon pool with Pentair FNS 60 DE filter and Pentair variable speed pump and saltwater chlorine generator. This was all purchased in beginning of 2021, so 3 summers of high use in the northeast US. Every year when I open the...
  2. M

    Does Poor Filtration CAUSE a Green Pool/Algae Outbreak

    Hey All, Looking for some help in regards to an algae bloom that we just can’t seem to kick. Some background: We have an approx 28,000 gallon inground pool with sand filter. This is our 5th summer in this home with this same pool/filter setup. Usually once or twice per summer we have...