IMO your aquascape is taking a minimal approach.  I have a similar scape right now and it makes cleaning the sandbed easy.  Keep in mind as things grow out / up it will fill out nicely.  That being said you could always build a little higher if that’s what you are thinking. 
		
	
		
		
		
		
			
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				300g Basement Reef - April 2018 
			 
		
		
		
		
	
		
		
	
	
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