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<p>[QUOTE=&quot;GDJMSP, post: 1107759, member: 112&quot;]Mike the plastic itself is air permeable. And the zip seals are not airtight either. Do the water test I have described many times yourself, see it with your own eyes. It&#039;s pretty simple. Just take one of the bags and put something like a dinner plate in it. Then seal the bag. Then place that bag in a large pan or bowl full of water. Use something to hold the bag under water. Leave it there for 24 hrs. When you go back and check it, there will be water inside the bag.</p><p>&nbsp;</p><p>And if they let water in, they let air in.[/QUOTE]</p><p><br /></p>

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