Reefer, yeah I know they are NON photosynthetic, that's why I was considering them for a LOW light set up. I had good luck with mine in a cave in my 90 gallon but any part of it that was exposed to direct light didn't fare well, I put in another rock to provide more shade and the carnation coral did very nicely as did my orange and blue sponges.
Thanks for the ideas everyone, lots of reading and thought to go.
Doug
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