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  1. P

    Scrub walls on plaster pool to lower CYA.....

    Pool is 25K+-. I am only able to drain 2/3 - 3/4 due to water table. I am redoing and hope dilution does the trick. Repeat if necessary.
  2. P

    Scrub walls on plaster pool to lower CYA.....

    The pool store tested the water with an electronic test unit and verified with test strips. I've been dealing with these guys for 15 years without any issues. I don't have one of the test kits your mention. Which kit in particular would you recommend?
  3. P

    Scrub walls on plaster pool to lower CYA.....

    My cyanuric acid reading was very high this opening. Was advised to drain and refill (3/4 drain anyway) to dilute the CYA. First reading after refill was acceptable (60) so I brought all other things into balance. Second reading after refill was very high (130) and third reading 2 days later...