KiScooter 7 in 1 Pool and Spa Test Strips, 130 Counts Hot ...
【7 in 1 Pool Test Strips】 These pool test kits can test swimming pool spa water total chemistry,such as: Free Chlorine/Bromine,PH,Total Alkalinity,Total Hardness,Total Chlorine,Total Bromine,Cyanruic Acid 【Fast and Accurate】You can check the water hardness reliably without having to mess with complex test suites.
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