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  1. Z

    Replacing 2 hp 2 speed with 3hp vs why?

    Considering circupool vs pump & swg seems to be reasonable price & warranty. I understand correctly higher hp will push more water. My current pump on low speed which is around 1750rpm doesn’t circulate water very well & heat pump shuts down sometimes depends how.So any advantage or disadvantage...
  2. Z

    Water behind liner

    Hi, guessing I have a leak. Noticed it yesterday on both sides of steps the liner is pulling away & mushy,but cannot see any water loss a this point. Did have a lot of rain but never had past problems. If I find the leak how would the water behind liner be removed. The walls & steps are concrete...
  3. Z

    Calcium hardness& heat pump

    Hi, I have a vinyl liner & understand ch is no too important. Was concerned about low ch possibly being corrosive to heat pump. I have no problem with water quality. I have tft test kit. Cl is a little high now due to shock from opening pool.these my test results for reference Fc 8 Ph7.4 Ta 80...
  4. Z

    thanks for the education

    Hi all , I read pool school followed instructions ,the pool calculator is a great tool & article on borates very easy to follow ,well here's my #'s: 8/1 (adjusted t/a & ph 2 days before) FC 8 CC 0 TC 8 PH 7.5 T/A 80 CH 170 CYA 40 8/2 added borates (borax) 40 ppm as per calculator &shut swg to...