Home > Lab pH Meters > PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium ; Brand: Ruolan

Ruolan PH Meter for Water Hydroponics Digital PH Tester Pen

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9,917 reviews covering 45 products for the category Lab pH Meters

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About Ruolan PH Meter for Water Hydroponics Digital PH Tester Pen
67% praised for its high accuracy readings
The accuracy of my ph meter is reasonable for the price and it is .15 below my calibrated apex neptune ph probe.

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