Have a fan blowing air OUT of the grow box its more efficient. A 12 vPC fan will do fine!
Tomthehippie Reviewed by Tomthehippie on . Need help with vent. system!? Ok, This is my first grow and i I am growning in a box that will be in the back of a closet. I have really no idea on how to make a easy but good vent. system. Can anyone help me with this? Rating: 5