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HI981036 Meat pH Tester
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Insten - Digital Ph Meter Tester Pen For Water Hydroponics, High Accuracy, Pocket Size, 0-14 Ph Measurement Range, Yellow : Target
PH-200 HM Digital Professional Grade Handheld pH Meter
Portable Digital Water Quality Tester Pen Ph Meter Water Quality Test Pen Ph-20w External Connection Electrode Tester - Ph Meters - AliExpress
4 in 1 soil tester - shows pH, soil moisture, temperature and light intensity
