How to Test Your pH Level Without Strips -
2020-9-7 · How to Calibrate the meter: Prepare 3 glasses, each with 250 mL of distilled water that is 77°F. Pour one pack of the included pH buffer powder into each glass (the kit includes 1 – pH 4.00 powder, 1- pH 6.86 powder, and 1 – pH 9.18 powder) Allow the powder to fully dissolve in the water.
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