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					Originally Posted by  marciemp
					 
				 
				Also how big of a skimmer?  Is it Ok to use one that is rated for much bigger than our tank, and how much bigger is OK?  Right now our tank inhabitants are limited to a blue tang, a yellow tang, 2 clownfish, a yellow watchman, and 2 damsels some snails and hermit crabs, and 3 groups of zoanthid polyps, but we would like the option of branching out to more corals eventually. 
 
Thanks, 
Marcie 
			
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 Modern skimmers do NOT need to be oversized. In fact, many skimmers will perform poorly when oversized to your system. A lot of the newer skimmers sport a wide neck feature. These wide necks require a MINIMUM bioload in order to produce a stable foam head. Oversize and you'll just have an overpriced water aerator.