I just bought a mother plant from my local co-op, and it is rooted in a 6" inch cube. She is approx. 18". I am using GH nutes. My questions are: 1) Am i going able to keep her in just the 6", and 2) what would be a good feeding schedule for here. I am only trying to get 8 clones off of here at a time. How many clones do you thing she is ready to give up? Here is a photo of her: (707 headband) There is also some slight tip burning. What should I do to correct it. I have a 4 X 54W t5 HO over her, approx. 6" away.