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  • jhonryan commented on saige hill's instructable Water Proof Survival Pockets!1 year ago
    Water Proof Survival Pockets!

    Thought: You might want to push out some air before the last "melt". Doing this without pushing out as much air as possible at ~1000 ft above sea level then going 'outback' around 7000+ ft above sea level will create quite a positive pressure that could eventually rupture your seal.But if this is just for your bug-out-bag you should be fine.

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