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<p>[QUOTE=&quot;GDJMSP, post: 1089450, member: 112&quot;]The bags will help, but they won&#039;t really solve the problem completely. That&#039;s because the bags are not airtight. For one thing the plastic itself is permeable. But beyond that even - </p><p><br /></p><p>Do a simple little test. Take a ZipLock bag, put something it that has some weight. It can be almost anything, just be sure that it is something that it won&#039;t be hurt if it gets wet - like a dinner plate. Seal the bag. Then place the bag in a large bowl or pan full of water. Put something else on top of the bag to hold it down under the water. Leave it submerged under the water at least over night, preferably 24 hrs.</p><p><br /></p><p>Then take it out and observe - the bag will be wet inside. And if it lets water in, then it absolutely lets air in as well. That includes any chemicals that may be in that air.[/QUOTE]</p><p><br /></p>

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