Bluelab PENPH pH Pen, Digital Meter Kit for Water Test with Easy Two Point Calibration and Double Junction Probe for Hydroponic System and Indoor Plant Grow, White

Bluelab PENPH pH Pen, Digital Meter Kit for Water Test with Easy Two Point Calibration and Double Junction Probe for Hydroponic System and Indoor Plant Grow, White   Features: Measures pH in nutrient solution (acid or alkaline) for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Calibration reminder; Durable design for repeated uses; Fully waterproof and floats in solutions Double junction electrode has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more Combine with ppm meters for full indoor garden nutrients monitoring in water and soil; Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and