Thanks for clearing that up!  I was confused/mesmerized by all those chambers. 
 
Speaking of chambers, I am against integrated dosing chambers :-). I frequently clean the crud out of my jugs by rinsing them in the sink.  Can't imagine what a pain it would be to try and clean out integrated ones in your sump.  I suppose you could just live with any residue and not bother to clean them. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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