My grow room is pretty small, 4x3x9. 12 sqft of grow area. I am using the large CFLs. I am in my 13th week, burning (two) 85watt/350watt, 6500k, 4000 lumens, (eight) 105watt/400watt, 3000k, 4200 lumen. I am using the clamp on fixtures, which is great, I can place a CFL any where on top, or...