Aerogarden Newbie Grow

Whats up to all tokers!!!!! I recently bought the Aero GardenPro 200 and started planting on 1/31/09. I started with 11 seeds and all sprouted,and were doing will,but now i'm left with 4, One real tall that has exceeded the last level of lights. the oher ones are not that height. three are love potion and one is mid. I've been trying to budd them so i got them on a 12 hr cycle. I need help and would love any advice you guys have. Thanks bfs