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  1. S

    Big jump in Calcium Hardness

    Hi All Just wondering why my CH would go from 320 to 650 when it has never been higher than 350? We haven’t much rain yet so I’ve had to use fill water which when tested with Taylor k-2006 is 40. Not sure if that’s good or bad. I’ve had to lower my PH to compensate for the...
  2. S

    When to slam

    Hi Guys Never had this happen before. CC has always been 0. Using 10% cl for 2 years at recommend amounts for years. Yesterday cc was .4. Pool water still sparkling. I added cL to shock level 14ppm. Tested today and cc still at .4. Should I just keep a high level of cl for a day or two and see...