There are 2 things that I would be most concerned about! One being what if it's discovered? Two being,you live in the states as I do.It's winter time.You would have to run your light at night to keep them warm.The plants are gonna outgrow the floor space,so a heater in there is out of the question.There are some other ways to heat the box.It consists of using your central heat and air system in your home.If the box is near the house? don't know! Is it?

Ga Grown!