Hello, 
 
I basically went up on my tippy toes, measured from the floor to my armpit, then I took this measurement minus the height of the tank and that was the height I settled with.  This allowed me to be able to access my tank without a stool or chair, and it ended up being a very comfortable height for viewing either sitting or standing. 
		
	
		
		
		
		
		
	
		
		
	
	
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