Sand Bed Filter
			 
			 
			
		
		
		
		Just wondering if anyone has or have a sand bed filter in there setup...i am pondering the idea of having a 5o gal tank with 4-5 inches of sand... and plumbing it into my main tank.. kind of like a refugium.but seperate tank with lots of bristle worms hermit crabs and no live rock... 
		
	
		
		
		
		
		
	
		
		
	
	
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