I have a 12g nano with two compact flourescent bulbs. 24w. One is 10,000k white and the other is 50% blue actinic and 50% white. I had thought of led's because I don't get the color pop with my lights. But, do I need that much power if I'm never ever going to put sps in the tank? If I added a 12" Stunner strip in royal blue to my existing light, would that give me the flourescence I'm looking for? I currently have zoas, acan lords, Florida ricordea and gsp's. My zoas and gsp's aren't growing much but the acans and ricordea are. Would full LEDs be overkill? I'm interested in everyone's thoughts because I want to make the best choice for the tanks. I would upgrade to Steve's LEDs retrofit if I decide to replace everything.