If your plant is getting root bound ( water will go threw it faster and it will dry out qucik), you should UP pot to a bigger pot if you have the room to do it. Root bound plants can suffer if to root bound.I have a closet but its my first grow using 3 cfl lights one 150 watt and the other 2 are like 43 watt or something also am using an LED hunting light lol ghetto I know