Also if you're thinking of upgrading do a 75g which is the same length as a 55 but abit wider and taller. For a mid size tank a 75g is the best all round size, 90g is abit tall and unless you like getting wet to the armpits the 75 is a winner for mid size. 
		
	
		
		
		
		
			
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				Always looking for the next best coral... 
 
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
			 
		
		
		
		
	
		
		
	
	
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