5 in 1 test strips are great for quick, on-site evaluations of water quality with reliable results on every test. These mulit-parameter test strips test for five water quality measurements on 1 strip. Contains 50 tests.
- Free Chlorine (0-10 mg/L)
- Total Chlorine (0-10 mg/L)
- Total Hardness (as CaCO3, 0-25 gpg and 0-425 mg/L)
- Total Alkalinity (as CaCO3, 0-240 mg/L)
- pH (6.2 - 8.4)
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