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AquaChek 7-in-1

pH reading of 7.8

High

What it means

pH at 7.8 is slightly above ideal. Chlorine effectiveness drops by 30 percent compared to pH 7.4.

What to do

Add sodium bisulfate (dry acid) per a calculator. Roughly 1.4 lb per 10,000 gallons lowers pH by 0.2.

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