I'm just getting into hid lighting, I was using t5s (and I averaged QP per plant with t5s with soil, so you can get an idea)but def the 1000watter for flowering, how many I'm not sure hopefully someone will be able to help you out on that, I am sure they will!The room is 12 ft lenth, 10 ft height, and 3.5 with what would be better 1000w or 600w and also how many lights would be better?