The vertex in 250 is pretty tall and the skimz pumps are yet to be proven.  
 
I would look sro 3000 int or the JNS sk5. Both of those would be perfect for 180.  
 
I have had pretty much everything out there and can tell you, you will pleased with either one of those two.  
 
Mojo~ 
		
	
		
		
		
		
		
	
		
		
	
	
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