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			#1  
			
			
			
			
			
		 
		
		
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			 I haven't had a system running yet, but would never run RO/DI direct. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	It isn't efficient this way and can obviously dilute your system if it fails. I am lucky that I have a room where I can store 55g if need, although I will probably never hold that much at one time. I just bought a drum/barrel http://www.canreef.com/vbulletin/showthread.php?t=80884 Sorry if the add doesn't apply to your area My plan is to have a 10g top-up for my 100g system. No direct plumbing. trudge the water to my ATO as needed.  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 I used a 5 gallon bucket but found I was refilling it every 2 days. Now I use a 70 gallon tank 
		
	
		
		
		
		
		
	
		
		
	
	
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			#3  
			
			
			
			
			
		 
		
		
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			 I used a rubbermaid 25g ish with the tunze ATO. I put in the closet near my tank, about 8' away. Drilled a small hole in the floor ran it on the basement open celing and back up through the heat duct behind the tank. Worked well and hid the res. I had the same problem, never wanted the tub sitting visible by the tank. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#4  
			
			
			
			
			
		 
		
		
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			 Well I got her going and it Just fit into the closet... 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	Ill probably try and put a 2 foot extention on the hose and wire for the pump but we will see... Now I Have to find a 30 gal plus container...  | 
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			#5  
			
			
			
			
			
		 
		
		
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			 Also... 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	Can the tunze pump run dry or does it have a built in sensor?  | 
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			#6  
			
			
			
			
			
		 
		
		
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			 Quote: 
	
 Great ATO system though. It's one of the few pieces of equipment on my tank I completely trust.  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 Quote: 
	
 It can run dry but it will turn off after about ten minutes of run time. 
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	Glass box with stoney stuff and fisches...  | 
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			#8  
			
			
			
			
			
		 
		
		
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			 Quote: 
	
 Sometimes my wife will hear it while I'm at work and fill it up for me.  |