I am currently growing 11 plants in a 4x3 closet with a 400w HPS lamp on an 18/6 timer, and a fan running 24/7. They are 3 weeks 3 days old. Current temp is at 74.8F but this is only after toying around with my lamp from 16 to 19 inches and seeing what worked. I also moved my fan so it blew on...