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Originally Posted by TheReefGeek
What advantages? You can do more custom shapes, but I think there are disadvanages too. I have not tried it yet, but I would think you would end up with very dense stuff, and making molds and creating realistic rock would be tough I think.
Could be good if you are going to use the same molds over and over again, or if you can shape it by hand realistically.
Anybody made their own rocks have any pics?
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you use sand casting not molds so no rock will ever bee the same.
there are several people who are/used to be on the board that have done it and it looked pretty good. now there are probably 50 different ways to do it and you have to find the best mix for you. I am actually thinking of making some for the tank when I take it down.. I want to make a back cover type thing and do the side partly molded to the shape of the tank.
the rock being dense is not a bad thing, the only time that is bad is when you are buying it from a LFS and some of the home made rock I have seen is light.. so like I said you have to find the right mixture by making little ones at first to nail it down.
Steve
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