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When I test for pH I get a purple color. What does that mean? - FAQs

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When I test for pH I get a purple color. What does that mean?

If your reagents are in good condition, a purple color in a pH test is an indication of chlorine levels being too high and interfering with the test. Add a drop of thiosulfate reagent to remove the chlorine from a new sample, and test again.








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