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			#13  
			
			
			
			
			
		 
		
		
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			 3ppm TDS from the DI Brad ?  I was having problems at 2ppm TDS and found out I should change it at 1ppm.  I tested the membrane, which was okay at 98%, so I changed out the DI. 
		
	
		
		
		
		
		
	
		
		
	
	
	Does that stuff affect the pH as well ?  | 
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