Haight1985
Active Member
I am confused about how to use co2 in my grow box. Im confused on how to induce the co2 but yet I have to use vent fan to control heat in the room. Can somebody help me with the fan/co2 timing it just seems to me that if I dont run the fan constantly the room will heat up to much. My grow space is 4x4x7 with 600watt hps 6" air cooled with 6" fan for the light and a 4" inline duct fan for the room it self.