I'd suggest feeding each day a 1/2 or 1/4 sheet of nori with a few drops of garlic oil (like from those garlic oil pills) squeezed onto it.  I think this should help.  It did when I encountered ick on a newly acquired tang. 
		
	
		
		
		
		
			
				__________________ 
				 -- Tony 
 My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills.  Whee! 
 
			 
		
		
		
		
	
		
		
	
	
	 |