may be I've made bad mistake

I've made bad mistake.i have vent in my closet garden,but i dont open the window of the room where the cabinet is for long time.is this the reason why my plant look's like a shit(check thread: i think that my plant stop growing" in indoor page 3 for now)thanks for the help all of you.peace

post the pics in this thread.
what lights food ect,
also do you have a fan?.

that's the plant.250W HPS have burn the motherfucker with a lot of ferts and now food it with just water(PH 6-7)yes i have intake,exhaust and breeze maker LOL(big computer fan to circulate the air inside the box)the box is 3'x1,5'x2,7-3 feet tall