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			#24  
			
			
			
			
			
		 
		
		
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			 Tony, 
		
	
		
		
		
		
			Did you try to modifiy your zeo dosing regiment as suggested by G.Alexander? I have found with new modified dosing schedule and the addition of a vortech my green film algae/cyano is all but gone again. 
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	- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2  |