Placing rocks in the aquarium question
I have all my rocks to put in the tank and would love to do it today but don't know if I have to glue them together so they don't fall. I'm not planning on doing anything crazy or placing the rock high but I'm worried that someone might dig in the sand and they fall and hurt a fish. My cories don't really dig, they just clean the surface of the sand. Do I have to wait till I get get some underwater epoxy or can I do it without? The fish won't be able to knock over rocks that weight over a pound each can they?
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