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We are seeing very high readings of chlorine from the daily test kit. Haven't added any chlorine for many weeks and keep monitoring. Seems FC/CC is coming down, but very slowly. We've been keeping the solar cover off during the day so we have good sun exposure. (live in Washington state so...

We have a TF-100 test kit and have used it for many years. We just refreshed the entire kit because of a very strange reading using our older test chemicals (2+ years old). Following the directions for the TA test, as soon as we add 5 drops of R-0008 the mixture immediately turns a fairly...