Just watched this video and thought I would share it with you guys.
That sounds crazy expensiveTalks about what type of lighting needed at certain times of growth. and how to maximize your yield with side or supplemental lighting. Just goes through the whole gammit on how to grow and what works and what doe not work. He said somewhere there is a place that has 200 acres under glass and suppliments the whole 200 acres with 2000 c02 with a generator the size of a house. WOW