AquaChek 7-in-1
Free Chlorine reading of 5 ppm
High
What it means
Free chlorine at 5 ppm is above the comfortable swim range. Usually the result of a recent shock that has not fully dissipated.
What to do
Wait 12 to 24 hours. Run pump and uncover the pool during sunlight to speed degradation. Re-test before swimming.
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