my last grow was a 8ft by 8ft scrog ,vegged for 2 weeks with 1000 watt mh and 4x cool white cfl and flowered with 1000 hps watt and4x 200 watt warm cfl i yeilded around about 32oz with aurora indica,citrus and white russian ,so hope this gives you some idea of the yeids that can be achived with the scrog method,plus growing under scrog is all hands on and very pleasurable method of growing .be safe the postman