Thanks for the Acan garden ;)

[dhraako]

Originally Posted by Delphinus

What kind of LEDs are you using? Wow just fantastic.

They are all cree leds I attached to a heatsink and hooked up together. It's an array of colours including Cool blue, Royal blue, Neutral white, Cool white and true violet.

The colours are activated by the Royal blue largely. The cool blue has a small effect on making greens better and the violets and neutral whites are part of an experiment in the DIY community to promote coral health and growth. So far the results are great. One day the DIY community will figure out the perfect spectrum.