Steve, I agree. As someone pointed out to me, we need a chiller in the first place due to elavated ambient temperature around the tank to begin with. A unit designed for this purpose should operate in that environment. If it doesn't, it's pretty much useless. 
		
	
		
		
		
		
			
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				Brad
			 
		
		
		
		
	
		
		
	
	
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