HAHAHA - I was thinking about this oneactually it was this particular comment I was remembering...
but you "liked" that comment too, so close enough!
Should we rethink and refine means and methods for cycling tanks?
"Why" may be a deeper question than can be answered? But if you search "coral recruitment" - the process by which a polyp selects where to live and then changes from planktonic to sessile, attaches and grows - that research is all about biofilms, surfaces, coralline algae, and the bacteria...
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