Oh, I use the 3" pucks for daily chlorination as my CYA is always in the 30 to 50 range and is always at 0 when I open the pool in the spring. Thanks for the help.
Lisa
Re: Strange test results, help!!
Oh, I use the 3" pucks for daily chlorination as my CYA is always in the 30 to 50 range and is always at 0 when I open the pool in the spring. Thanks for the help.
Lisa
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