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    Filter for 40k pool

    Hi, One issue is algae, another is filter getting dirty and needing backwashed or cleaned pretty quick, and it seems as though water could flow a little more freely out of returns. Changing filter was not on my radar until pool service made the suggestion that the filter was really too small.
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    Filter for 40k pool

    Hi, first time poster. I have read every thread I could find and still want to confirm a Pentair Quad 100 is the best decision I've been in house for a year and have fought the pool. I installed a pentair vs pump but pool service man strongly suggesting I increase the filter size from...