I am new to the forum so I'll start out by saying hello. I am in the middle of growing a 4 plant crop. (3) Bubba Kush & (1) The Church. I have them in a 3ft x 5ft x 7ft grow tent. I am running (2) 600W HPS Gavita bulbs in an air-cooled fixture. I vegged for just under 3 weeks under a 600W...