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Discussion Starter · #1 ·
I have a question about storage bags. Regular storage bags admit oxygen.. What about the bags sold for vacuum storage of foods. They aren't mylar, but they are made in rolls and made to hold a vacuum long term. Oxygen is a gas. If the bags are holding a vacuum, then oxygen isn't getting in, right? And O2 absorbers shouldn't be necessary or at least maybe only 1 or a little dry ice. Thoughts?
 
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