You considered going micro-vertical? You could hang a 68 watt spiral cfl in the middle of your flowering chamber and place your plants around it, with the pc fan blowing up through the middle of the chamber to cool the bulb. People exceed 1g/w in vertical grows all the time. I could easily see you pulling an ounce from four plants trained around one 68 watter.
You need to lose the aluminum foil! That stuff almost does more harm than good by creating "hotspots". Any flat white paint applied to yer cardboard will be far more effective than the foil.
Have you tried propping your seedlings up to bring them closer to the light? I use old text books to get them real close, then when they grow taller I just pull a book out. Closer to the light= denser vegetative growth= more bud sites in flowering= more bud. Even four inches makes a big difference with CFLs.
How'd the first harvest taste by the way?
You need to lose the aluminum foil! That stuff almost does more harm than good by creating "hotspots". Any flat white paint applied to yer cardboard will be far more effective than the foil.
Have you tried propping your seedlings up to bring them closer to the light? I use old text books to get them real close, then when they grow taller I just pull a book out. Closer to the light= denser vegetative growth= more bud sites in flowering= more bud. Even four inches makes a big difference with CFLs.
How'd the first harvest taste by the way?