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How to Use a Pool Test Kit: The Right Way to Check a Pool's Water Quality

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Acid Demand Test
acid demand titrant

Add the acid demand titrant

Photo © Lisa Hallett Taylor

Using a sample from the pH test, add the acid demand titrant. Count each drop -- making sure to swirl between drops – until the color matches that of the 7.4 indicator. Refer to the acid dosage chart for the correct amount of acid to add to your pool. Warning: don’t perform this test if the pH is above 7.5 and the chlorine residual is above 3.0.

Next: Testing for Total Alkalinity

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How to Test Pool Water

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