Any tips for placing larger stones?
I am re-scaping my 55 gallon tank. I just picked up some really nice stone I am going to use. Some of the pieces are large. Not boulder large but in the 10-15 pound range. I want to place them standing up at angles that they arent going to want to stay at on their own. Even partially buried in sand I dont think will be enough. So I am wondering what other people do to get stones to stay the way they want them. Also I have heard of people putting styrofoam under larger rocks. Is this something I should do? Thanks.
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