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Dr Meter High Accuracy, Backlit pH Meter
Dr.meter Digital Water pH Meter, 0.01 Resolution High Accuracy PH Testing Pen with Backlit and Data Hold, 0-14pH Measurement Range Water Quality Tester for Hydroponics, Pool, Aquarium, Brewing
More Info
You can use a pH meter to check the pH of your water, mash, [test Star San effectiveness] and finished beer.
Dr.meter Digital Water pH Meter, 0.01 Resolution High Accuracy PH Testing Pen with Backlit and Data Hold, 0-14pH Measurement Range Water Quality Tester for Hydroponics, Pool, Aquarium, Brewing – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link
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