I jst have glass with some encrusting montipora growing here and there. Never had NO3 in any tank, so their not a reason to use sand. The defining point in my decision making was when I removed the sand from my 150g. I could not believe the crud that was built up in there!! Just disgusting, I'm surprised the fish didn't jump out.
Since going BB, and keeping every other aspect of my tank maintenance the same, I get better growth, better colors and full polyp extension on every single coral in the tank. Never did I have that with a DSB.
When I first set it up, sure, it looked a bit strange, but now I don't notice it, and people that come to see my tank don't notice it either. My tanks is built for corals, not sand.
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Brad
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