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  1. K

    Upgrading from cartridge to sand filter

    I'm wanting to upgrade from a CV340 cartridge filter to a sand filter. My pool is ~35,000 gallons. My pump: Pentair Whisper Flow 011775 K63CXEBK THP 2.6 As I understand my pump is 120 GPM and the CV340 is rated for 140 GPM. I think I've properly sized a Hayward W3S10T2 given the volume of...
  2. K

    FC and CC keep changing places in test and PH advice.

    Hi, New pool owner as of July last year. Like everyone we wasted quite a bit of money at the pool store and using phosphate remover. Also we started off with test strips. I found TroubleFree part way through the season. Near the end of the season I started a SLAM as we've never really been...