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Free Chlorine is perfect for determining whether or not you have the correct amount of sanitizer present
all of the reagents are impregnated on the test strip pad
37°C / 99°F
6 ppm (mg/L)
25°C / 77°F (6 hours run out – specialized for COVID-19 vaccine)
WaterWorks™ Total Hardness Water Test Strips 0-1000ppm Wash Checks Free Chlorine is perfect forOverview A versatile water test strip for measuring total hardness either as ppm or grains per gallon. Accurate, reliable and easy to use with rapid results. Detection Range: 0, 40, 80, 120, 180, 250, 425, 1000 ppm (mg L) Or 0, 2, 5, 7, 11, 15, 25, 58 gpg Total Test Time: 3 Seconds Packaging:: Bottle of 50 Details Total Hardness test strips are perfect for service work, classroom demonstrations, or to give to customers instead of an expensive service