Description
TrolMaster MBS K30 CO2 Sensor for Carbon X with Cable Set Cleaning Products Add 2 tsp 1 Add 2 tsp 1 TBS (10 ml 15 ml) per gallon with every reservoir change Indoor Grow Partner For Environment Control:The Mars Hydro 6 inch inline duct fan and carbon filter combo ventilation kit is capable of ventilating and filtrating a 3x3 grow tent