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Professional Digital PH Meter Food Processing Tester Tapered Loose Soil Hydroponics Monitor For Cheese Lab Drinking Water - AliExpress
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Digital Long Glass Probe pH Meter with Sharp Tip Water Quality Tester 2.0~12.0pH Large Dual LCD Display: Amazon.com: Industrial & Scientific
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![P H METER. P H pH is a unit of measure which describes the degree of acidity or basicity of a solution. It is measured on a scale of 0 to 14. P H METER. P H pH is a unit of measure which describes the degree of acidity or basicity of a solution. It is measured on a scale of 0 to 14.](https://images.slideplayer.com/25/7819023/slides/slide_6.jpg)