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The short answer is that you need to get rid of all the air from inside your ice box. So no, frozen food by themselves won't work. The easiest way to deal with this is to let an outfitter prepare t...
Answer
The short answer is that you need to get rid of all the air from inside your ice box. So no, frozen food by themselves won't work. The easiest way to deal with this is to let an outfitter prepare t...