The QT is 30 gal was and has an Aquaclear 150 and two sponge filters one sized for a 10 gal, the other for a 20 gal.  It was set up and cycled using two cocktail shrimp.  Three months before the fish showed up.  Performed a 50% water change prior to introduction of the fish. 
 
I broke out my ruler and no compensating for paralax on the glass, the Tang is 3" not 4". 
 
None of the fish are showing signs of stress. 
		
	
		
		
		
		
		
	
		
			
			
			
			
			
			
			
			
			
				
			
			
		 
		
	
	
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