Lighting

I decided to treat myself for my birthday. At MAX a few weeks ago, CAD Lights (www.cadlights.com) was displaying their new multichip LED fixtures. Reef Builders blog covered them here: http://reefbuilders.com/2012/04/06/c...ulti-chip-led/
After talking to Eddie from Cad Lights about them, I decided to go with the middle model, the 50w multichip (62 total watts) to replace my 250 halide over my frag tank. The claim is the 50w replaces a 250w halide, the 100w replaces a 400w. By the ...

So I was intending to pick up an LED fixture at RAP last month in Southern Cali, but was discouraged by much conflicting information about the light output produced by them. The biggest concern, or rather question, I left with was whether or not LED's produce usable UV radiation.
From my research I have found the consensus is that SPS coloration is all but dependent on UV in the light being provided to them. From what I have read the theory is that as a response to UV SPS produce their slime ...