These:
http://www.amazon.com/Current-USA-Marine-Aquarium-24-Inch/dp/B00GFTK7CQ/ref=sr_1_7?s=pet-supplies&ie=UTF8&qid=1402109199&sr=1-7&keywords=current+usa+led">Amazon.com : Current USA Orbit Marine Aquarium LED Light, 18 to 24-Inch : Aquarium Lights : Pet Supplies@@AMEPARAM@@http://ecx.images-amazon.com/images/I/418hTJlAfbL.@@AMEPARAM@@418hTJlAfbL</a>
I'm running this system on mine, and I'm getting awesome LPS growth.
Eric