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			 i was just wondering if anyone ever gets a thin layer of an almost scummy surface on the top of their water change water. it just looks like a bunch of little brown floaty things. and if this happens is it ok to still use the water or should i discard it and mix up new? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			#3  
			
			
			
			
			
		 
		
		
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			 huh?  are we talking about water change water or top off? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#4  
			
			
			
			
			
		 
		
		
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			 Sounds like your using IO salt. It's normal but I have no idea why. It looks clean before you mix it 
		
	
		
		
		
		
			
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	250 gal display tank plumbed directly to my wallet  | 
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			#5  
			
			
			
			
			
		 
		
		
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			 yep sure am using io. hahaha thanks guys  
		
	
		
		
		
		
		
	
		
		
	
	
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			#6  
			
			
			
			
			
		 
		
		
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			 this just makes me ask why does everyone use / recommend it???? ( ok not everyone but ....... )  i tried it for the first time this year and never again will it be near my tank. 
		
	
		
		
		
		
			
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	` 120S RR tank with 60G basement sump / fuge Return Pump: Little Giant 4-MDQX SC Water Movement: Seio 1500, (2) Hydor Koralia 4's Lighting: 400W SE MH with 14K Aqua Connect Skimmer: Euro-Reef RS250 with gate valve Other: RODI, RDSB, PO4 / AC reactor  | 
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			#7  
			
			
			
			
			
		 
		
		
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			#8  
			
			
			
			
			
		 
		
		
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			 I've never had any issues with IO.  Thousands upon thousands of aquarium reefs use IO. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#9  
			
			
			
			
			
		 
		
		
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			 Cuz its cheap. 
		
	
		
		
		
		
			
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	260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694  | 
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			#10  
			
			
			
			
			
		 
		
		
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			 When I first started out in the hobby a 50g bag of IO cost me $44, this stuff was white gold  
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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