thanks for your help mr C, im going to install a fan tomorrow hopefully, in the mean time in going to just pin up a corner of the mylar curtain on one side of my grow area, and place a bowl of water next to the plants hopefully that will tide them over.

Please hep me diagnose the yellowing people! i dont think they got much time left, i can only check on them once a day because of work i just hope they dont go in between,