My tank is full LEDs. I have a Marineland 60 gallon cube (24x24x24) lit by two of the newly updated AI LED Modules. It is hanging now, but I built a riser box initially that had the two modules 11" off the water surface, and it was putting 250-300+ par at the bottom of the tank, about 32" from the modules. This reef has a 29 gallon sump with a refugium for macros that is lit by a 10K Power Bright LED. I pull half the macros out about every 3 weeks.
I like the AI modules, but IMO the 32 Cree XP-G whites way overpower the 16 XR-E blues. I don't like the rendition with the whites up past 60% intensity (blues 100%) so I am getting two Reef Brite 24" blue LED strips from BennyZ to add to the setup, which should give a much stronger blue cast, allowing me to up the inensity of the white XP-Gs.
My other two reefs are lit by radium 20K halides, so I definitely like blue in my spectrum.
I have two millis and one acro in the tank, the rest are LPS. The SPS corals are growing, but the color is nothing to write home about yet. Still adjusting to the LEDs I think.
Dave
Dave - Do you have any pictures of your light setup? It sounds pretty cool.
Also where did you get the AI units? I wouldn't mind doing the same thing on my sump for the new tank.

