pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health & Performance

Measures pH in solution for acid or alkaline conditions to make precise up and down adjustments with lab quality glass probe used for the pool, drinking water, hydroponics, brewing, and growing EASY two point calibration and auto temperature compensation makes this digital meter a handy tool with backlit LCD display and calibration reminders Double junction probe improves accuracy, reliability, and probe lifespan compared to regular probes, more accurate than comparable pens, test strips and other testing methods Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and calibration solution