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Hello, We keeping having to prime our pump to start pulling in water almost every time we turn it on. This just started happening this summer. We have a Hayward sand filter that we installed brand new two years ago. We didn't open the pool last summer, but the summer before that, we only had to...

Hello, I want to replace my busted old DE filter with a sand filter. My in ground pool is about 31,000 gallons and I have a new Pentair Whisperflo 1 hp pump on it. The filter I'm considering buying is a Hayward 300 lb sand filter, but I'm concerned that my pump has too much GPM for the filter...