Sorry I am asking question instead of giving some inputs. 
I use Kent Marine RO/DI and I am wandering what others do with the waste...because it lot amount of water compare to the clean water for the tank. 
And do you empty the canisters after you use the ro/di ? 
 
thanks 
		
	
		
		
		
		
			
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				white rsm 250 
8 G biocube planted tank
			 
		
		
		
		
	
		
		
	
	
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