a few years ago i started doing some research on LED's and came across this article with step-by-step instructions and links for the parts you will need. Well documented process..
http://reefcentral.com/forums/showthread.php?threadid=1587273
Then came Aqua Illumination G2 my quest for DIY LED project pretty much stop right there
http://reefcentral.com/forums/showthread.php?threadid=1587273
Then came Aqua Illumination G2 my quest for DIY LED project pretty much stop right there