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  1. S

    Added borates, rise in pump pressure

    Hi all I added the borates and MA to the pool today. Now the pump pressure has gone up approx. 12lbs. Is this borates in my cart or just dirt from sweeping. OK to clean? Thanks Steve
  2. S

    Highest FC for testing

    Hi all Just shocked pool, how high can FC be and still have accuarate test results. I think I read its different for different tests. Thanks, Steve
  3. S

    Cal Hypo for schocking

    Hi all, newbie here. I am schocking with Cal Hypo (73%) because sand was falling from walls. (Years of 3 inch pucks). Starting chems FC 5 CC 0 PH 7.7 CH 260 CYA 45 TA 85 First I added 2 Lbs, FC to 15, added 1Lb, FC to 17, added 1 Lb, FC to 18, added 1 Lb, FC to 19, end of day one. Early AM, FC...