hi ,what are you using in the coco ,is it just strait ,,,and what are you using for ferts,
I have a 7w X 7L X 7T room and am trying to figure out the best setup (run a 1000 hps or 600 ) I can get plenty of air in and out
I have 12 feminized white widows that I wanna get going but dont wanna start them til all my bases are covered ,and it looks to me like you have a good thing going

any help at all would be GREAT

and your grow looks A+ to me