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			#11  
			
			
			
			
			
		 
		
		
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			 I wouldn't be able to afford changing mine every week 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	The HC GFO I just used up came from Chin_Lee's group buy 3lbs gave me 6 cups, so 6 4week uses In the future I plan on using the BRS calculator's recommended 0.86 cups for my 110g system, so hopefully 10 cups/5lbs will get me a year's use  |