GroStar GS1 pH Pen extension and comes with four way

and comes with four way finger slots for improved Cloning Collar extraction

Battery % Level at Startup– At start-up

The 5 green (1 watt) LED diodes provide a narrow spectrum of bright green light that is barely visible to plants but brighter than a normal green bulb to you

Phantom II CMh 315W Ceramic Metal Halide Digital Ballast

4' x 4' and 8' x 4'

GroStar GS1 pH Pen extension and comes with four wayIncludes: 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