- Measures pH in nutrient solution 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.Operating temperature : 0 - 50 °C, 32 - 122 °F.
- 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;
- Fully waterproof - not just water resistant; Automatic temperature compensation for accurate readings everywhere
- Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and calibration solution