OBOSOE Digital pH Meter,Water Quality Tester,Water pH Tester With

PH Meter, 7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Water Tester, pH Meter for Water Household Drinking, Swimming Pool and Aquarium (1): : Industrial & Scientific

Insten - Digital pH Meter Tester Pen for Water Hydroponics, High Accuracy, Pocket Size, 0-14 pH Measurement Range, Blue

Digital pH Meter, Online Test pH/ORP of Water/Food

Digital pH Meter for Water - Betus

Foeses Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium, with ATC, Orange: : Industrial & Scientific

ph tester aquarium

Color LCD Screen Design Compared with other monochrome backlit screen test pen, ours is updated and upgraded version with a colored screen LCD design, which makes every reading clear and easy to read and not easy to be confused. When pH value is lower than 2 or higher than 12, the reading on screen will turn red to remind you. Sensitive Bulb Built Our core of the pH meter is electrode and the core of the electrode is bulb.