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 ...

pH is a measurable parameter between the values of 0 and 14, defining the acidity or alkalinity of a solution. Solutions with a pH = 7 are considered neutral, pH < 7 are considered acidic and pH > 7 ...