$18.99 (as of January 22, 2018, 10:27 pm) & FREE Shipping. Details $16.99

Digital pen style pH meter is an ideal instrument for anywhere you may need to test pH levels
Excellent meter, very accurate and durable. Measuring pH Range: 0.0 – 14.0 pH. Resolution: 0.1 pH.
Meter comes with protective plastic case and calibration screwdriver | Measures total dissolved solids (TDS) and temperature

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