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  1. R

    High filter pressure with no DE added

    Was opening my pool this weekend, and I before I added any DE (filter grids had been thoroughly cleaned last fall), the pressure seemed very high. Around 18 PSI. When I added DE (~8lbs for my FNS 60), it shot up to 28 PSI. I ran it for a day at 28 PSI (which I kinda now regret), then...
  2. R

    Best 2 speed pump option

    Last summer my ancient 2 HP AO Smith Centurian pump started making a very, very loud noise, and our power meter started spinning at hyper speed! Our electrical costs soured by over 2x. A process of elimination (plus the obvious deafening noise) indicates to us that we need a new pump. The pump...