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					Originally Posted by  Myka
					 
				 
				I'm considering using the EuroReef Nano on my 20g with sump.  I see Ocean Aquatics has a bunch of different designs to us with the different Nano AIO's.  Anyone know which one I would use just simply for in-sump?  It's not much cheaper than the RS-80 though, so I may just go with that tried and true option. 
			
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 You may just want to go with the RS-80 if you can. Really the ER nano skimmers are only great if you have an AIO tank and have no choice but to use a skimmer only a few inches in diameter. They are great for AIO because they work well and fit in the back...but if you compare them to something like the RS-80, they wouldn't compete I don't think.