Bluelight

Looks nice! However, seems way too bright for moonlights if that's what you intend to simulate

1 or two aimed at corners would be much better for that IMO...

yeup, or you could put a resistor on between the lights and the power source on the positive wire, or get some kind of adjustable switch. that way you can keep you light even through out the tank and dont have to tear your whole syatem apart!

looks nice! =)

Thank you for your comments! Well, I have made a similar setup for my 100g tank with seven LED's as moonlight, and that turned out quite nicely. I know that in the nano, it is too bright to be used as moonlight, but together with my other lightsource it looks pretty neat.