Thanks for the response everyone. 
One more question... I have limited sump space for a heater, for a total of 80 gallons could I get away with a 200 watt heater? The 200 watt is 10.5" versus 11.5" for the 300 watt and would fit better in my sump. 
Thanks 
		
	
		
		
		
		
		
	
		
		
	
	
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