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Originally Posted by Quinster
don't attinic 03 bulbs create the same type of spectrum?
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nope just above the UV range.
Studies on using commercial Black lights have shown that a black light does not contain enuf UV-A to worry about as if it did, it would be banned from sale. Several people use "black lights" to enhance the color of there coral. what would be really good for your experiment is to take a picture of two identical coral side by side. then make it so one is exposed to UV and the other isn't but the water and other lighting is identical. then every month or two take them out of the water and take a pic side by side to see if the color has really changed in the corals.
Steve
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