HTH Multi-purpose 6-Way Test Strips for Swimming
2021-7-2 · Hold strip level for 20 seconds. Compare to the color chart on the back of the canister. Contains one canister of HTH Multi-Purpose 6-Way Test Strips for swimming pools (30 test strips total) This pool test kit checks for free available chlorine, bromine, pH, total alkalinity, total hardness, and cyanuric acid, CYA, levels
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