Apera GroStar GS4-E Replacement pH/EC Combo Electrode Root Innoculant The optional CO2 Sensor (MBS-S8)

The optional CO2 Sensor (MBS-S8) measures the CO2 PPM within the growing area

General Hydroponics pH Test Kits make pH testing easy

Active Eye Color-Correcting LED Grow Room Lenses exceed US FDA Reg

Brought to you directly from the Flower Children of the Sixties and Seventies—the Old School generation

The TrolMaster DSC-1 CO2 control / device module allows user the to easily connect and control standard supplemental CO2 devices or CO2 exhaust controls to the Hydro-x

Apera GroStar GS4-E Replacement pH/EC Combo Electrode Root Innoculant The optional CO2 Sensor (MBS-S8)AI58040 GroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance double junction structure uses blue gel electrolyte without the air bubble 1 year warranty