Measures Free Chlorine in a liquid/pack size: 50 test strips Measurement range: 0, 50, 100, 250, 500, 1000 ppmWith this test strips to vinyl you can boost the levels of free chlorine measure in each set, and recognize different levels easy. The colour on the test strip indicates the amount of chlorine.This test has been covering the area, which usually health for cleaning other surfaces is needed. Directions for use: Immerse the strip directly into the solution you want to measure and compare the result with the tag.
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