How old is it? mine are 4 weeks. I was just afraid to get it any closer cause the light is really hot. my room temp stays around 80-90 during the day. The shortest one is like 10 inches away from the light.dude im growing one short rider right now and its looks alot bushier by a ton than all those put together how far away are your lights from those i dont know man your not gonna yield much you should get that light closer if you can ....