![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)
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.
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PHTK-239 Portable pH Meter 360° Flexible Display Angle, 0.00~14.00pH Water Quality Tester - Tekcoplus Ltd.
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Insten - Digital pH Meter Tester Pen for Water Hydroponics, High Accuracy, Pocket Size, 0-14 pH Measurement Range, Blue - Walmart.com
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