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					Originally Posted by  DreadPirateRoberts
					 
				 
				You could also use dry ice (kind of an odd phenomenon: getting burned by ice).  It's common enough to get at the grocery store.  We never use it for it intended purpose though. 
			
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 I guess I am too used to camping with kids (3-7) and dry ice is avoided. Also, when traditional ice is used and it melts, you don't drain the water - it helps to keep things cooler and for longer than if you do drain it.
I've never had problems with food going bad using a cooler and standard ice. We tend to have separate coolers for drinks (opened frequently) and food (opened infrequently).