i thought that for kalk the measurement is 1 teaspoon for every gallon of RO /DI water  
that is what i have been doing or i am wrong 
 
mike    
		
	
		
		
		
		
			
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				180 starfire front, LPS, millipora  
Doesn't matter how much you have been reading until you take the plunge.  
You don't know as much as you think.
			 
		
		
		
		
	
		
		
	
	
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