I've already given you my input on this subject...but why would you go with the 72 LED kit from AquaStyle at roughly $220 when you can get a 36 kit from Rapid with much better diodes, much better electronics for $60 more? Hell, the 24 LED kit from Rapid would be enough to grow most corals, including the easy SPS (Seriatopora, Stylophora, Pocillopora, some Montipora). I highly suggest going with something other than the DIY Bridgelux. For note, I have owned multiple Rapid LED (CREE) kits, a Bridgelux kit, an AI Sol, a Panorama Pro, a Boost LED Mu135W, some Ecoxotic stunners, and a couple of PAR bulbs. I have a bit of knowledge of what LEDs are worthwhile.