joshkrauss
Active Member
question about the enviroment controllers. i currently have an AIR 1 Atmosphere controller that controls exhaust and intake for humidity and temperature. you set the temp and humidity for the max then when it exceeds it turns the fans on. my question is i want to add co2 what is the cheapest way to add co2 to my garden. i know i have to have a way to control it is there any way to piggyback something to my current controller to where i dont have to buy a brand new one again. any input is appreciated thanks.