OK, I'm dyin' here to post them for someone, so, here's some LED strips you can add to your fixture for blues/actinics
All are close to or between 460nm to 470nm and are waterproof strips that you cut to length and add your own power supply
http://www.superbrightleds.com/morei...light-bar/123/
http://www.superbrightleds.com/morei...-light-bar/48/
http://www.superbrightleds.com/morei...ght-strip/103/
http://www.superbrightleds.com/morei...ght-strip/102/