DescriptionThe ColorQ DPD 1A reagent is used to measure Free Chlorine along with the DPD 1B from 0 to 10 ppm on the ColorQ photometer. The 30 mL size bottle can measure 144 tests with only using 5 drops per tests. Back to Top
More InfoThe DPD 1A reagent bottle cap is color coded to prevent mix-ups. Back to Top
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