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HM Digital Hydroponic Pro Kit COM-100 PH-200 EC / TDS / Temp / pH Meters - TDS / EC - Water Quality Tester
![HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy : Industrial & Scientific - Amazon.com HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/81lR05BcsNL._AC_UF894,1000_QL80_.jpg)
HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy : Industrial & Scientific - Amazon.com
![HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy : Industrial & Scientific - Amazon.com HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/519vfM0wqQL._AC_UF894,1000_QL80_.jpg)