Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen Insect & Disease Control Find all the Munch Machine

Find all the Munch Machine parts you require at Hydrobuilder

available in black or white

will cost $1

Designed to Move

Featuring the very recognizable squeeze-to-open pop-top closure

Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen Insect & Disease Control Find all the Munch MachineLab grade instruments designed specifically for growers! The GS4 5 in 1 Combo Pen includes: pH 7 & pH 4 calibration solution (50ml bottle each), 2. 77 EC (50ml bottle) and KCL storage solution (10ml bottle), lanyard and user manual Measures pH, conductivity (EC and 500ppm 700ppm) and temperature (5 in 1) Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Easy to use design and fast calibration