this is first time indoors

, alot easier outdoors but anyways, this is what i have:
closet: 3x3 ;actual size 5x7
light: futurebrite 600watt digital ballast w/super nrg bulb ;18 inches from top of plant
hood: 6 inch air cooled sun grow hood
timer: futurebrite digital
fan: cheap 250 cfm from HD for heat exhaust
pots: 10 inch x 10 inch deep
plants: (3) 1 sour diesel ; 2 romulan
soil: miraclegrow w/ organtic soil
watering: every 3 days or as needed
ferts: dyna-gro grow 7-9-5 once a week
dyna-gro bloom 3-12-6 every 5 days flush last 10 days
ventilation: 3 @ 5 foot x 6 inch duct
extra vent: 12 inch oscalating fan in closet
temp: 93
humidity: 25%
this is what i need: lmao
i need to know where im going wrong in my set-up if im going wrong.
is my light to close? is it toooo hot w/o co2?
do i need to get a good exhuast fan maybe 5-700 cfm? do you know where i can get one on a limited income fellow grower?
lets see: i got so many ???????????
is my watering and ferts times ok?
ok everyone i want to thank you now because all input will be appriciated!!!!
Happy Growing for now. Sil4adokid