Dr Meter pH Meter
PH001 pH Meter from Dr Meter, Measurement range of 0-14 pH. Backlit display. Includes carrying case and 6.86 and 4.01 pH buffers.
You can use a pH meter to check the pH of your water, mash, [test Star San effectiveness] and finished beer.
Dr.Meter 0.01pH High Accuracy Pocket Size pH Meter with ATC Backlit 0-14 pH Measurement Range