3-in-1 Test Stripes

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Test on free chlorine (stabilizer), total chlorine and pH levels in wood-fired hot tub Easy color match system 50 test-stripes in a package pH shows the water hardness in a wood-fi red hot tub: initial pH influences the disinfection efficacy. The recommended pH value is to be from 7.0 to 7.4 Swim and Fun test-stripes are used to perform the measurement of pH and chlorine levels in water fast: you should just take some water from wood-fired hot tub into a small container, (for example, a plastic glass) and put a stripe there for some seconds. Then check the result obtained on the attached color scale. Show more