Convenient and precise
Posted: 7/24/2014 from NEW YORK, NY UNITED STATES
These calibration solution sachets are really handy to use as they are big enough to fit the probe in them, but small enough to enable putting them in a cup of water to avoid temperature fluctuations. Their long shelf life enables to store them for a couple of years.
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7.01 pH Calibratio Solution
Posted: 1/9/2009 from BINGHAMTON, NY UNITED STATES
Just poured it in a glass and put the instument in, waited a couple minutes, and whalaa. Calibrated.
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