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<p>[QUOTE=&quot;desertgem, post: 501045, member: 15199&quot;]Hi, and welcome Colleczor,</p><p><br /></p><p>&nbsp;&nbsp;&nbsp; The big question is which has the must sulfur or acidic levels? The folders or your environment? In some areas of the US/world the local air has more sulfur/acidic levels than the folders, in other areas, the folders generally are made of nonarchival sulfated materials and have a higher level than the outside.&nbsp; If you are the first situation, the plastic ziplocks are a good idea, if the second idea, you are making a toning &quot;machine&quot;, but you can use non-zip bags to keep off the dust and hair.</p><p><br /></p><p><br /></p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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