Bad test kit reagents ? What kind is it and how old?
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Someone else can answer that question better then me. The cya test is tough. I think in pool school there is a better description of how to do it. I always have trouble. I am on day 7 and still not getting a reading accurate to the amount I put in. And I did the sock in front of the return so its not on the bottom or behind a ladder.Is it normal for the reagents to go bad in less than a year?