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Dip the end of the pH strip into the chemical or substance you want to test. 

After a couple of seconds, remove the paper and compare the color of the pH strip to the color chart provided with the pH paper kit. Do not re-use a pH paper to retest or test another chemical.

Do not re-use a pH paper to retest or test another chemical.Dip the end of the pH strip into the chemical or substance you want to test. 

After a couple of seconds, remove the paper and compare the color of the pH strip to the color chart provided with the pH paper kit. 

Do not re-use a pH paper to retest or test another chemical.