GroStar GS1 pH Pen coco-cubes Auto-ranging three point calibration with

Auto-ranging three point calibration with digital fine tuning

- Grow journal

* 110VAC 50/60Hz

The 14" Saucers fit under our 1

GroStar GS1 pH Pen coco-cubes Auto-ranging three point calibration withIncludes: pH 7 & pH4 calibration solution (50ml bottle each), KCL storage solution (10ml bottle), lanyard and user manual Measures pH and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Easy to use design and fast calibration adjustment Double junction replaceable probe, so you dont have to discard the entire pen when the probe reaches its end of life Large 3 color backlit screen gives