Quote:
Originally Posted by rcipema
How about this nice white old chopped up reef that is sold here at Riverfront?
It is Calcium Carbonate, as is Tufa I believe. I have quite a bit of it, and once a little Coraline grows on it, you can't tell it apart from my other live rock.
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The live rock you buy at the LFS starts out like this. Suppliers just toss it in the ocean (Fiji, Marshal Island, etc) where they hold foreshore leases and make a reef. You can do this in your tank, it just takes some time.
