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How do I make a foodsafe, airtight, watertight, waterproof seal? Answered

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frollardBest Answer (author)2009-09-20

food-safe silicone sealant works... mason jars (pressure and rubber o rings) ...

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Z.. (author)2009-09-20

Anything in a freezer bag can be made airtight by lowering the filled bag into water. This pushes all the air out. Lower it to a fraction from the top, and then seal it. A good freezer bag should have an airtight seal.

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orksecurity (author)2009-09-20

Learn canning? (Though Lemonie's approach is probably the right one: The best answer depends on what it is you're actually trying to accomplish.)

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