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.
Update: Since this post was published the price, availability or promotion has changed. Check the product page for up to the minute description, price and availability. Also: Today’s Deals on Amazon
Recent Amazon Finds [view more]: