I would pour the mixed water into the sump where the water from your tank enters.  That way it has time to mix with the tank water and keeps the temp more consistant. 
		
	
		
		
		
		
			
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				RSM 250. Clownfish,  Fox face, Blue tang, Yellow tang, Kole tang, Clown tang, Coral beauty angel, French Angel, splendid dottyback. CUC, softies, lps, sps.
			 
		
		
		
		
	
		
		
	
	
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