For the FO thing, I used a 4 tube under car kit to light my 55 FW tank (my roommate got it on clearance at work for $20, regular price was like $200). It had 2 48" and 2 36" tubes that I staggered and had decent lighting for a FW non-planted tank, and could change like 7 colors and be dimmed for moonlighting. The only drawback was the control was manual, so it wouldn't ramp up and down.