I need help.lol

right so heres the dealio, i just set my grow room up and its about 5 1/2 feet high 4ft long and about 2.5/3 ft wide! i have a 400watt hps a circulating fan but no ventilation. i just leave the window open and the closet door open! but my plant died and its leaves fell off the first time! but i had the plant under 2 regular 60watt lights and then put it under then 400watt when itwas only 6inches high! do u think the intensity of the lioght and heat killed my plant??? is it bad ventilation??? how can i solve this proble,m??? please help guys???

If you did everything proper then the lights are to blame...
But i don't get tho.. Did you had like two 60W CFL's 6 inches away from the plant or it was 400W bulb 6 inches away...
If it was 400W bulb 6 inches away then no wonder ur plants died it's the most dumb thing to do to put a 400W so close...

lol u using pearl house bulbs? the TV gives out good light if your doing it this way, especially RTE2 good watts and they love news at 10 lol