Red Sea Berlin Skimmer
			 
			 
			
		
		
		
		Anyone out there have that skimmer?  I'm having trouble setting it up.  just bought it, running it with a little giant 2mdq pump (500gph)....getting lots of fine air bubbles, but I'm not getting foam yet.  Do I have to wait a while?  First time using a venturi skimmer, previous to that was using counter-current.  Help!!!  I have the 22" model 
 
Des 
		
	
		
		
		
		
		
	
		
		
	
	
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