I've had my rock with coral mounted out for hours when I moved my tank. Wrapped the rock in paper towel soaked in tank water  then into safeway bags, threw it in the trunk and drove 9 hours, didn't lose a thing. Corals a lot hardier then you'd think. 
		
	
		
		
		
		
			
				__________________ 
				Do you smell that? Just waaalk away...... sloooowly
			 
		
		
		
		
	
		
		
	
	
	 |