Industrial Test Systems 481339 5 in 1 Pool Check

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About This Free Chlorine/Bromine: 0, 0.5/1, 1/2, 3/6, 5/10, 10/20 ppm Total Chlorine/Total Bromine: 0, 0.5, 1, 3, 5, 10 ppm Total Alkalinity: 0, 40, 80, 120, 180, 240 ppm PH: 6.4, 6.8, 7.2, 7.6, 8.2, 9.0 Total Hardness: 0, 50, 120, 200, 400, 1000 ppm. Bottle of 50 test strips Overview Brand : Industrial Test Systems Ph Range : 6.4-9.0 Recommended Uses For Product : Swimming Pool, Spa Unit Count : 1.0 Count Manufacturer : Industrial Test Systems, Inc. Show more