Review on π ORAPXI Digital PH Tester for Water - Accurate PH Meter for Household Drinking Water, Hydroponics, Lab & Aquarium with 0.01pH Resolution and ATC by Brian Garrett
Not calibrated correctly
Received last November, unused until January 2nd, thought something was wrong due to the amount of caustic needed to raise the pH. In the past, our water was always too high. When attempting to recalibrate, it was found that when the tester was placed in a pH 9.18 solution, it calibrated to pH 6.86, not 9.18. I tried everything, changed batteries and solutions, nothing helped.
- Industrial & Scientific
- Not automatic
New products
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