Re: Open-top evaporation and condensation in the house
			 
			 
			
		
		
		
		My powerheads are right at the surface of the water where they splash quite a bit.  I cover my tanks with glass to protect the lighting setups.  Glass gets cleaned weekly during the water change, so at least for 2-3 days of the week, the glass is pretty clean and let in lots of light. 
		
	
		
		
		
		
			
		
		
		
		
	
		
			
			
			
			
			
			
			
			
			
				
			
			
		 
		
	
	
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