Corals, rock, sand, etc in Edmonton

[ponokareefer]

Do you know if it is an issue if you put your clown in with 2 cinnamon clowns that are in my system already? I know mixing different types is bad, but I'm not sure about the same kind, when 2 have already established their system.

[Kryten]

As much as I need to sell him, I might be leery of that situation. Maybe post the question in the main reef area so more people see it and might have suggestions.