i plan to start my grow in april. i have a 4'x5'x7' grow space. i have 12- 2700k-1600L and 12 5000k 1600L. for lighting. i plan to start with 8 plant's. and hope to get 3 femail's. the place i have is in my car-port. the box is plywood but has bin painted with 3 coats primer 3 coats flat white...