you will have no problems, just have the lights come on at night, 1 x change wont hurt them. shit on my big bud grow , she grew past my light, didnt burn. like you said they loved all that light, that close. here is the pic iam talking about. 3 bud sites are in the back , you cant see , that grew past the light. also i had put a 125w red cfl in there at the time.