Hello, i'm currently have some 16 grit silicon carbide available. just want some input from those whose now something about this stuff. This stuff consist of silicon and carbon. love to have this shinny black stuff for my fronts.... maybe try 25 lbs in a small tank with some fishes in there and see? Input comments.....please....
http://en.wikipedia.org/wiki/Silicon_carbide
http://en.wikipedia.org/wiki/Silicon_carbide
