MW102 pH and Temperature Meter by Milwaukee.  Extended range (-2.00 to 16.00 pH), Automatic Temperature Compensation (ATC), automatic 2 point calibration.  + or 1 .02 pH Accuracy.  Includes pH electrode and calibration solutions.

You can use a pH meter to check the pH of your water, mash, [test Star San effectiveness] and finished beer.

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Milwaukee MW102 PH and Temperature Meter

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