Well those lights are very temporary. I think they are about 3W each LED stick, so at 8 of them, it's only 24W of crappy LED's lol. I highly doubt those would even grow corals, but who knows.
As far as the spread of lights, since that photo, I tilted two of them to shine towards the ends of the aquarium. But coverage should be good, it's stupid bright.
I have ordered 12 3W CREE LED's - 6 RB and 6CW. couple of drivers, heat sinks and 80 degree optics, so that should do the trick for sure.
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