I agree cfl are useful for vegging, and that is what i will most likely use, but for bloom they just don't compare to HID. I usually yield approx. 10-12 ounces from a 400w flowering 60 days. If I can stay in that range (10-12 oz.) and use 81% of the energy by using a weaker light at opportune...
I have been growing indoors for quite some time now, and would not consider myself a beginer, but I did have a thought on saving electricity and possibly maintaining yeild. I am planning a closet garden for a friend who wants to keep energy usage at a minimum. Has anyone ever tried switching...