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			 We've selected Concept Aquariums to build for us, and they'll be doing it all on site! We got quotes from 5 separate vendors, and ultimately Concept's quote best fit into our goals. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	As for the water change system, I am lame, I went home from work, tossed some laundry into wash and promptly feel asleep at around 7:45pm. I'll do better with those photos tonight.  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 Hi Catherine I think I have the basic idea for your sump setup, see if this will work or if we need to make some changes to this 
		
	
		
		
		
		
		
	
		
		
	
	
	thanks ![]() ![]()  | 
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			#4  
			
			
			
			
			
		 
		
		
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			 Good choice Catherine  
		
	
		
		
		
		
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	Mike 150g reef, 55g sump, T5's, Vertech 200A, Profilux III - German made is highly over rated, should just say Gerpan made. Reefkeeper - individual obsessed with placing disturbing amounts of electricity and seawater in close proximity for the purpose of maintaining live coral reef organisms.  | 
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			 The automatic water change system will change 10gal of water everyday, it will be setup with 2 10gal tanks beside the sump one to hold fresh salt water and one to remove old saltwater, it will be controlled by a controller that I am designing so it will be hands free....one thing I am working on is to get the controller to actually make the salt water as well but need to figure out how to incorporate a salinity probe into my design 
		
	
		
		
		
		
			
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	500G Mixed Reef ![]() __________________________________ Electrician, Electronics Technician, I can help with any electrical questions you might have!! __________________________________ Kevin  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 well a water change for that much water volume will be about 160Gal, so instead of trying to do one large one we will do a bunch of smaller ones.......maybe 10gal  every 2 days not super positive yet but something along those lines. 
		
	
		
		
		
		
			and no not using IO 
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	500G Mixed Reef ![]() __________________________________ Electrician, Electronics Technician, I can help with any electrical questions you might have!! __________________________________ Kevin  |