Milwaukee Instruments pH55 Waterproof pH Tester.  Includes protective cap and 20ml sachets of ph 4.01 and 7.01 calibration solution.  Large dual level LCD that displays pH (-2.0 to 16.0 pH) and temperature -5.0 to 105.0 (Celsius) or 23.0 to 221.0 (Fahrenheit). Automatically compensates for temperature.   Calibration is made automatically in 1 or 2 points with memorized standard and NIST buffer sets.  Modular design means electrode can be replaced.

Use to check the pH of your water, mash, [test Star San effectiveness] and finished beer.

Milwaukee Instruments pH55 Waterproof pH Tester

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