Greenhouses & Hydroponics

Blue lab pH pen

Blue lab pH pen

Blue lab pH pen    Blue lab pH pen
A hardy, compact ph and temperature pen. Fully waterproof - not just water resistant. Simple two-point calibration process for accuracy.

Automatic temperature compensation for accurate readings everywhere. Auto-off function to extend battery life. 1 aaa battery included - simply power on and go.


Blue lab pH pen    Blue lab pH pen