3 Packs Digital PH Meter 0-01 PH Accuracy Pocket Size PH Tester Kit with Built-in ATC 3-Point Calibration for Easy Calibration Household Drinking Water Swimming Pools Aquariums Hydroponics

3 Packs digital PH meter 0.01 PH accuracy pocket size PH tester kit with built-in atc 3-point calibration for easy calibration household drinking water, swimming pools, aquariums, hydroponics, blue, green and yellow Features: How to use: Just turn on the pH meter, stir the water gently, and the stable reading will automatically lock on the LCD within a few seconds, feature sensitive electrode sensor to read the accurate pH value, bring you more convenience and nice using experience, save your time and effort. Where to use: Reliable testing performance for regular liquid, such as liquid food, beverage making, plant culture, aquarium water, chemical sewage, aquaculture and swimming pool, pocket size allows you to easily carry it in your pocket and measure it anywhere. Specifications: Test water temperature range: 0 ° C - 50 ° C (32 ° F - 122 ° F) Quantity: 3 packs Color: as pictures shown Package includes: 3 x Digital PH meters (with instructions and PH buffer powders) Note: The test water temperature must be controlled between 0 ° C - 50 ° C (32 ° F - 122 ° F), otherwise the electrode will be broken. The water level should not exceed the water level line, and the final pH value of the liquid will be stable. The probe is made of glass, please do not wipe it, you can use absorbent paper to dry the water on it.