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How to Seal Foods Air-Free Without A Vacuum Sealer
Here's a quick, easy, inexpensive way to seal foods airtight in a plastic-bag. All you need is a zipper-lock bag, and a tub or pot of water. The difference though, is the vacuum pump creates a suction force, while the water method does not, thus it's not actually a true vacuum so this method is not recommended for long term storage.