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			#20  
			
			
			
			
			
		 
		
		
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			 how about a rubble tower......basically an acrylic box full of rubble that the water drains threw into the sump. 
		
	
		
		
		
		
		
	
		
		
	
	
	http://www.reefersparadise.com/smf/i...sg3115#msg3115  |