The bare bottom look
I would agree that the look of sand is more natural and better looking, but having just cleaned out my 115 after moving the fish and rock to the 180, I was grossed out at how much like a sewer the gravel was.
So I guess I'm giving the cleanliness (cleaner environment - less waste accumulation) aspect a higher priority over the asthetics. That's the nice thing about this hobby, there are more than one ways of accomplishing our goals of maintaining marine fish.
Rick
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