well since your treating the tank I wouldn't use any carbon in the filters as most meds say to remove carbon during treatment. when I treat my cichlids (I know its FW but similar plan of attack with some meds) I just run filter floss and biomedia, with frequent water changes. 
		
	
		
		
		
		
			
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				I'm not 'fallow' you must be talking about my tank!
			 
		
		
		
		
	
		
		
	
	
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