mate you need to change your lights to either a 400 or 600 ballast, change the silver foil for some white on white (will give you more light) a 5 or 6 inch intake/exhaust.....but i must say i envy you for having them in your room, i think i need to invest just got pure and chronic on the go....happy growing mate...
knowledge is power and with it the bush will grow strong and mighty...!!!