I never heat my water before putting it in my tank and have had no probs, I change 4 to 5 pails every 7-10 days in my system. 
		
	
		
		
		
		
			
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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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