I don't have a cheap kit on hand, but can pick one up this weekend if needed.
Added 50% tap water to CYA test "3.5ml pool water and 3.5ml tap water" and added 7 ml of the R-0013 reagent and came up with 36 or 37 on the CYA test side.
Re: Sand filter possibly low on sand ?
I don't have a cheap kit on hand, but can pick one up this weekend if needed.
Added 50% tap water to CYA test "3.5ml pool water and 3.5ml tap water" and added 7 ml of the R-0013 reagent and came up with 36 or 37 on the CYA test side.
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