I usually get a pound to a pound and a half in a 4 x 4 tray in a tent unless its certain strains I use a 1000 watt hort eye in each tent. I have a couple 250s I used to grow 2 x 2 area. Rule of thumb over here is 1000 watts can usually guarantee a pound of kush every 60 days plus veg, and a bit more if your on top of your game. I have some Hazes Nevil sent me that hate it indoors. You want to stick with quick budding lines if your indoors and looking for weight