i have a aeroflo2 60 site system with a extension making 120 site in all the holes are around 7.2 inches apart . what i .want need to know is what kind of grow i need to make with this system . to get the fastest and best yield out of my aeroflo2, sea of green , or let my plants grow bigger . if i let my plants grow bigger i can skip a hole making them around 14 inches apart , one more question if i run these two system end to end the will be 4 feet wide by 12 feet long what would be the best watt lights to cover this area . three 400w , three 600w or three 1000w or what , and i want the best lights