Maybe this will help...I think this calibuddz dude is on 5 weeks flowering here, I think they look damn good for pure LED light and he is growing in soil so with a hydro set-up it would likely be much bigger at this point. (and these plants look great for 5 weeks in soil) The 660 nm peak red with the white LED's does the trick it seems. :stoned::stoned::stoned::stoned::stoned::stoned:

LumiGrow ES 330w LED Test - Page 15 - Marijuana Growing
FreeDaHerb Reviewed by FreeDaHerb on . LED or HPS (grow space is 16x16 warehouse)my friends boss wanted to do a indoor grow opt and this guy has a shit load of money and he don't care about spending the money hes had, so he tells me he wanted the most expensive shit there is in the market(he wants to use LED) but really i dont know shit about LED but i heard it runs way cooler than hps and you need red and blue lights and all these shit, i was thinking with a fucking 16x16 warehouse it would be too cold cause winter is also coming So can Rating: 5