Fixture is made with aluminum channel, with 12 - 1x8 inch individual heatsinks. Leds are as stated above powered by 4 meanwell 60-48D drivers, with 12 leds on each driver, all running @ 750 ma. These are dimable by Potentiometers wired and mounted in a project box to give the ability of reaching choice of intensity, very nice for getting different viewing colors. Right now I'm running a light cycle of blues on 9hrs, whites come on during that period for 3 hours and my tank has never looked better.
View attachment 173611. Camera phone pics not the best, but an idea.
Shawne