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			#1  
			
			
			
			
			
		 
		
		
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			 A hole in that baffle will create a single water pool in the sump, and the skimmer won't have a stable water level any more. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 I think I would quickly plumb the overflow to the far right chamber with the RS-80. This will put your dirtiest water right in the skimmer chamber. I would then put the return in the far left chamber ensuring that the return is as far away from the sources of microbubbles as possible. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	Tom R  | 
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			#3  
			
			
			
			
			
		 
		
		
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			   Your sump would have a stable water level regardless if it has baffles or not. 
		
	
		
		
		
		
			
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	400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436  | 
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			#4  
			
			
			
			
			
		 
		
		
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			 What about evaporation? 
		
	
		
		
		
		
			
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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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			 a float valve will take care of that. 
		
	
		
		
		
		
			Steve 
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	 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.  | 
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			#6  
			
			
			
			
			
		 
		
		
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			 But other than a float valve with an auto top off the sump will evaporate.  That's the problem I am having right now, my sump cracked and I have it currently replaced with just a tank.  I ether need to do just that and ad an auto top off, add baffles to keep the skimmer area at a constant level.. or top off manually twice a day (pain in te *** and I really don't want to keep doing that) 
		
	
		
		
		
		
			anyhow.. not to Hijack the thread. ![]() 
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	- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 I decided to move the skimmer pump into chamber 2 for now.  It (just) fits. For a cheap-and-easy solution until I have time to replumb/replace my sump.  I just need some 3/4" ID tubing and I'm set.  I'd replumb right now, but it is a Chinese-made tank, and all the plumbing is weird metric sizes, which I can't find anywhere -- I'm not ready for a project of that scope today. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#8  
			
			
			
			
			
		 
		
		
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			 So, that seems to have worked.  I have a nice arc of foam going from 2->3 now, and it seems fine.   
		
	
		
		
		
		
		
	
		
		
	
	
	Thanks for all the comments. I don't seem to have a micro-bubble problem, either, so I might leave it as-is for a while. I think I'll take a photo and ask for further critique.  |