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			#11  
			
			
			
			
			
		 
		
		
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			 Oh I see.  Thanks. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#12  
			
			
			
			
			
		 
		
		
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			 Anybody have any left over in Calgary?  I need some as well. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#13  
			
			
			
			
			
		 
		
		
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			 Bioballs are also used to make coil denitrifiers.  I've seen more references to this in the forums lately. 
		
	
		
		
		
		
		
	
		
		
	
	
	Vickie  | 
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			#14  
			
			
			
			
			
		 
		
		
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			 I am using them as my filter for my pond.  They should do the job nicely. 
		
	
		
		
		
		
		
	
		
		
	
	
	Chris  | 
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