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Calibrating pH meter for homebrewing beer

In this post, Mike walks through how to calibrate a pH meter for homebrewing. Specifically, he demonstrates the process using the Milwaukee MW102 pH meter, the same meter he used during his mash pH ...
A pH meter measures a pH or the acidity/alkalinity of substances. Most pH meters rely on a glass electrode that measures the number of hydrogen ions in the solution. Usually, pH meters need to be ...