hi lads,new to this growing.i just got a 75x75x200 budbox,ive got a 400 w light wi a parlux ballast in the tent,also i got a 4"VENTS extractor fan wi a carbon filter on suck in end,blow end going through the roof vent.wen i went in tent yesterday the ballast box was hottish,is the ballast ok in the tent??.also wen i put extractor fan on it seems to suck the tent in,is this ok or can i turn my extractor down if so how ????i turned light off about 2 hours ago and i just been in tent and plant seems to be withering(leaves all droppy).any help would be great lads cheers