there is a thread somwhere that goes into a bit of detail on this if you do a search for it...quite interesting

i think the general idea was that its not economicly viable to use led's at the moment, though i think in time it will be much more practical.
babystarbud Reviewed by babystarbud on . Anyone ever use led lights? has anyone ever used led lights to flower? i was thinking about getting a bunch in the blue spectrum. any help? Rating: 5