50 Top Quality test strips per container.Test your hot tub water PH, Bromine, Free Chlorine and Alkalinity with these 4 Way CPC High Quality spa water Test Strips? LONG shelf life. Confused about your hot tub water chemistry?? Our guides answer the most Frequently Asked Questions!Why do I need to test my hot tub / spa / swimming pool water chlorine levels?Why do I need to test my hot tub / spa / swimming pool water pH levels?
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I ordered these as the three way strips were unavailable. I’m very pleased with them and would buy them again! Smaller pot! Less plastic too!
I use these for Bromine & ignore the Chlorine marker, simple & quick to use, I only purchased the 4 way strips as the 3 way Bromine test strips were out of stock