Digital pH Tester by Sinoware.  Large LCD screen.  .01 pH resolution.  Accuracy .05 pH.  Measurement Range 0-14 pH.  Features ATC (automatic temperature compensation between 32 and 122 deg F).  Replaceable electrode.  Includes meter, 4 x 1.5v button cell batteries, adjustment screwdriver, carrying case and manual.

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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SinoWare PH Tester Digital PH Tester Water Red

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