I found this in the woods. I think the top part would look incredible in an aquarium, if I cut the bottom off. If I pour boiling water over it, will it be ok to use? I worry about it rotting in the aquarium, since it has not been floating in water for the softer parts of the wood to disintegrate. A section of the wood appears to have an ant colony living in it, but that section of wood would be cut off. If it is not ok to use, I think I may be able to find something when I go kayaking next week. Are their any guidelines I should follow when choosing something out of a river? Of course besides not choosing soft wood.