Ok this is the second project where EZB will be used to control lighting , current flow , temp , salinity ect. This thread will show just about every step ot the build , electronics , wiring and eventually the scripts to make it work. 
- Josh Starnes
By jstarne1
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Alright I'm epoxying down the buck stepdown converter . with a load I could maintain 9.5 volts from a lead acid battery. I will test load voltage again in a few minutes from the 12v regulated power supply I made from a PC power supply for it.HEY that looks like my stepdown converter ,LOL BECARE YOU DONT have your burner on doing that,or forget its on
My new GLASS RANGE was on and i couldnt tell ,since not red and it almost melted my lid
OK I'm waiting for the paint to dry well while I go pick up my car then when I get back I will crimp the ends on the power wires and test the voltage to the LEDs while on the big power supply. As long as its below 11 volts I will reassemble the case and be done
The light looks great! So now I fed some of my anemone specimens. It appears the two colors that the anemone takes to the best are green , yellow and red. Blue is not nearly effective in direct comparison. I did find that flouresent colors/ pigments show through the anemones skin. Next I will look into adding a glowing pigment that charges from light absorbed and glows for a few hours in darkness.
Man, that looks great! I love the colors. I gotta get my aquarium back running again.
Update: I ended up removing the step down converter and now I'm connected directly to 12v from the computer power supply. I tested the voltage with 7 amps of load and my meter read 11.4 volts and these leds are rated 10.1 to 11 volts so I am not worried. The heatsink and fans are working well.
@Dch thanks! If I can raise lots of anemone in different colors I will start selling them. I love these guys.