without ventilation the plant can't breath because it takes in co2 and expels oxygen that oxygen builds up and is toxic to the plant , water and nutrients are taken up by the roots and transported to the leaves where the nutes are turned into energy so if that water can't evaporate the plant can't grow that's why you need a good ventilation system. you can make an enclosure but it will still need to be vented and light tight, cfls put out heat so you need to be able to keep it cool.
lipps Reviewed by lipps on . HEY guys need help! first time grower! Hey EVERYONE, I would first like to start off by saying that this will be the beginning of my first grow op. I have been reading about growing for weeks now, so I can try and make a good attempt, but I ran into a dilemma. The problem is I wont have any good ventilation. I have a small fan, but thats all I have for ventilation. I will be growing from my closet which is a good size walk in closet, and I cant cut any kind of holes in the walls or door because I am renting. Also for the fact that I Rating: 5