Hi Range Free Chlorine Test Strips 0-600mg/l chillers-heaters-and-purification This reduces the risk of

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Hi Range Free Chlorine Test Strips 0-600mg/l chillers-heaters-and-purification This reduces the risk ofSimplify testing and get results in less than 1 minute, in the field or lab Hach test strips are manufactured with a unique reagent pad at the tip, using proven chemistries based on standard reference methods. Just dip the strip, wait until color development occurs, and compare the color of the reacted pad to the chart printed on the bottle. Ideal for anyone performing semi quantitative pre screenings, spot checks, or field tests. Eliminates chemical