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Hydroponic Meter PRO Kit, All-in-One pH Pen, Interchangeable Probe - AC Infinity
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PH Tester Digital PH Meter, Professional PH Pen with 0.01 PH High Accuracy, 0-14 PH Measurement Range, Ideal Water PH Tester for Household Drinking, Pool and Aquarium
LAB GRADE. ENGINEERED FOR VALUE. The Milwaukee MW101-SOIL PRO pH meter has won fans around the world with its reliable, fast operation as well as its
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The Sure Test Pro pH Pen reads both pH and temperature (F° or C°) with automatic temperature compensation (ATC) for more reliable pH measurements.
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Pro HM Digital PH Meter - Green Island Distributors