COOLTUBE is the answer. if you use a cool tube that both intakes and vents outside the grow space and have a separate ventillation system for the grow space that comes on when the temp hit's 85 or so or just have it run 1/2 hr on and 1/2 hr off with the co2 running oposite the fan. just a thought.
justaseed Reviewed by justaseed on . I guess I can't use co2 in my set up. Or can I? I finally have enough funds so that I can expand my set up and use co2. I have researched this and have heard varying reviews. Some say it doesn't really make that much difference, and some say it makes all the difference in the world. I thought I would see for myself. For my flowering stage I have a space about 3' x 3' x 8' tall, and I use an enclosed hood with a lot of air pumped over a 600W bulb. This air comes from a big inline fan that has a big filter on it, which filters out the weed Rating: 5