hi mate. i have a dr120 tent. 1.2m square. i have 1x 600w hps and 2x 300w cfl(suppliment) in there.. four plants, 6 week veg(under 250w cfl blue), getting over 20oz always.. great weed too... we all do it different, and you have to find your own way, but this is the place to hone your skills...