Elitech pH Pen Meter with Calibration Supplies,Reliable Digital Tester for pH, Temperature in Growing Solutions, Optimal Plant Health and Yield Model:PHM-230 please refer to https://www

Elitech pH Pen Meter with Calibration Supplies,Reliable Digital Tester for pH, Temperature in Growing Solutions, Optimal Plant Health and Yield Model:PHM-230 please refer to https://wwwThree point, push button calibration with auto buffer recognition for a wide range of results Automatic Temperature Compensation (ATC) for accurate readings in fluctuating temperatures Unique, double junction electrode design and increased reference gel volume for long electrode life in harsh environments Large, upright, dual line LCD display screen for ease of viewing, and to display indicators

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