Not very. I tested my water with my PS233 on Sunday--read 30ppm. Today a strip said it could be between 0 and 30....Not much good, is it?
Re: How accurate are CYA test strips?
Not very. I tested my water with my PS233 on Sunday--read 30ppm. Today a strip said it could be between 0 and 30....Not much good, is it?
Carl
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