I veg 2-3 months and I produce 3-4lbs with 6 plants under 2000w.
I avg 1 and half pounds per 1000w. I do use CO2, but I am a super cropper! Its all about gram per watt. I have several grow rooms and 5@1000w ballast, two t5 432w, and two 210w t5's. this is a current 3/4 pounder!
Week 9, I flushed her with florakleen today! I will give her 72 hours of darkness to. This is personal Girl Scout Cookies