HM Digital PH-200 Waterproof Portable Water Quality Tester COM-100 Whether you're testing water quality

Whether you're testing water quality in a hydroponics facility

Essential for calibrating pH meters in aquariums (freshwater

Trusted by thousands of brewers

industrial

Milwaukee MW802 PRO 3-in-1 Combo Meter: Professional pH

HM Digital PH-200 Waterproof Portable Water Quality Tester COM-100 Whether you're testing water qualityIdeal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. FEATURES Measures pH and Temperature Auto ranging three point calibration with digital fine tuning Includes storage solution in a sponge embedded in a clear cap Waterproof housing (IP 67