don't forget the weight water adds to "wet" rock. Marcs rock is a steal.PenMan said:Marco's dry rock is very light. 40-50 pounds of this is a lot of rock. We checked a few pieces that we won at the cook-out (member dunking) meeting last summer, it is about 1/2 that of the typical live rock you will see in the stores. In six months, mixed in, it looks just like the rest of the rock.
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