Plus if your lights are not sealed with the glass your going to essentially be pulling air out the room that is not scrubbed. My personal opinion is that any co2 you put in there is just going to be exhausted through your current setup.
Check mine out. I have a separate fan on my charcoal filter that turns on when the heat needs to be exchanged. I also pull cold air from outside through my lights and back out of the house. Both are hooked up to a fan controller
Check mine out. I have a separate fan on my charcoal filter that turns on when the heat needs to be exchanged. I also pull cold air from outside through my lights and back out of the house. Both are hooked up to a fan controller