Hello kind people. I've been running vertical for a few months and am very happy with how things are going. The room is 7'x9'x16' and currently I am running 1kw bulb around 4' off of the ground. I'll be adding a second 1kw bulb real soon but don't know if I should hang it about the first bulb and build a second row of shelves for the plants to sit on or if I should run the bulbs at the same height and pack in the plants around the perimeter of the room. Any guidence is welcome.