hotshot619 Posted August 16, 2011 Share Posted August 16, 2011 So does anyone know if its normal to have a black rock inside of your live rock? I got this live rock for free and I was told that it was Fuji, but it weights a lot and so I assume this dense black rock is to explain. Anyone have any ideas? Up close you it does look like the Fuji rock I have in my tank Link to comment
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