So my grow with my 400w hps is going swimmingly, but now i need a space for propagation and whathave you, so i have obtained a 30"x18"x36" tent. I have 1 liter airpots that stand 6" tall. If i get a 250w(actual draw) and hang it in this, itll leave me with about 24-26 inches of space. Now i grow...