I would be really hesitant to use an MC-E over a 10 gallon tank. Even without optics you might burn your corals. Without optics you won't get much of a spotlight effect as the LEDs emit over about 120 degree angle. But even so they produce a hotspot under the emitter, even without optics. If you want a spotlight effect you would be better off using a small array of XR-Es with 60 degree optics. And as Steve said, the MC-E may wash out your blues. There is a reason that both DIY guys and commercial companies don't use the MC-E. I see what you're thinking but I have my doubts it will work as you plan.
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03-20-2010, 05:59 PM
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