Is that enough flow???? in my 10 i started with a K1 then added a nano. i am moving my 10g into a 15 G (easier to get lights on) and will be using a k2 and k1.  just my 2 cents. also i dont see any surface agitation. IME does wonders. 
 
when zoas reach its usually a low light issue , but with 150w halide i woudnt say this is the issue. 
		
	
		
		
		
		
			
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				72 Gallon Bowfront Reef.. Hardware:2x250w Luminex Elite HQI Reflectors (Phoenix Hexarc Bulbs), Galaxy 2x250w Electronic ballast, Euroreef 130 Skimmer, Sedra KSP 7000 Retern... Live Stock: Pair of Hawaiian Flame Wrasse, Leopard Wrasse, Pink Streaked Wrasse, Pair True Percula Clowns, Potters Angel, African Flameback Angel, Orange Fin Tomini Tang, Yellow Assessor, Tailspot Blenny, Purple Firefish..  
 
45 G FW  Asain Barb Community tank. 
 
			 
		
		
		
		
	
		
		
	
	
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