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			#9  
			
			
			
			
			
		 
		
		
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			 I added 6 inches of cheap fine play sand to one of the ends of the tank for my melanurus wrasse to play in, and to add a bit of biofilter.  The sand looked brown under sun light but is a pleasant lunar-surface grey under the reef lights.  I didn't do 6 inches over the entire tank because I wanted to preserve the visual impact of the tall rock work, and I like the look of the sand slope on the one side. 
		
	
		
		
		
		
		
	
		
		
	
	
	SUNLIGHT REEF LIGHT  | 
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