Water Quality Test Strip at Thomas Scientific
5-in-1 Water Quality Test Strips. Hach. 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: Free Chlorine (0-10 mg/L) Total Chlorine (0-10 mg/L) Total Hardness (as….
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