Five-In-One Test Strips, These Multi-Parameter Test Strips Test For Five Water Quality Measurements On 1 Strip, Each

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These multi-parameter test strips test for five water quality measurements on 1 strip.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)