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			 So I fed the tank last night around 8:00 as I do every night, and per usual I turn off my power heads so the fish can enjoy their meal. 
		
	
		
		
		
		
			Well without thinking I turned off the lights in the basement and headed up to upstairs. I go down at 6:00 this morning to peak in the tank and realize that I forgot to turn the powerheads back on. The tank spent ~10 hours with only the return from the sump providing oxygen (I have it thriottled back to ~200G/hour) Eveything seems to be fine, and the fish that I can see in their sleeping spots look OK. The actinics come on at 10:00 so I'll get a better look then. 
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	- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 Been there, done that.   
		
	
		
		
		
		
			
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	Steve  | 
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			 lucky the return was on 
		
	
		
		
		
		
		
	
		
		
	
	
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			#4  
			
			
			
			
			
		 
		
		
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			   Lights are on and everyone is alive and accounted for.  Just enough water exchange for everyone to stay happy.
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	- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2  | 
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			#5  
			
			
			
			
			
		 
		
		
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			 It's amazing how tough some of these fish are. I did the same thing over a 14 hour period. Tank temp went down to 65 and apart from all my fish being sluggish till it warmed up everything was fine. Less movement = less oxygen consumption. Go figure 
		
	
		
		
		
		
			
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	250 gal display tank plumbed directly to my wallet  |