to stinky attic its all natural...i havent pinched the tops on any of them...and the thing with the light cycle i had a friend that told me i should cut the light back alil so i can give the leaves a break from the light or some shit...hes in college for horticulture so i figured he would know what he is talking about..ill be updating alot so keep an eye on me make sure i dont get out of line.....thanks