The EcoTestr pH2 Waterproof Pocket Tester is packed with plenty of valuable features. It has a pH range of 0-14.0 on the pH scale with an accuracy of +/-0.1. Its ability to have a 3 point calibration procedure ensures its accuracy. It has a re-set option to return the meter to the factory setting if desired.  An easy to read LCD display along with a hold function allows hassle free reading of your nutrient solution pH level.  A auto shut off function saves wear and tear on your batteries by automatically shutting off the meter after 8.5 minutes after the last button was pressed.

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