Deep Blue Pro – 5-Way Chlorine Test Strips 50 Strips ...
2021-9-7 · Deep Blue Pro 5-Way Chlorine test strips provide a quick and easy way to test your swimming pool water. They offer tests for free chlorine, bromine, calcium hardness, pH and total alkalinity. Simply dip the strip in the water and remove immediately. Hold horizontally for 10 seconds (do not shake excess water from the strip), then compare the ...
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