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<p>[QUOTE=&quot;ValpoBeginner, post: 2734305, member: 77066&quot;]The higher you go the less air pressure you encounter.&nbsp; If&nbsp; you mean that the Argon gas pressure would pop them open, they would have to be pressurized at higher levels than I intended. I&#039;m just talking about sealing them in low pressure Argon.&nbsp; I think acrylic can withstand the ratio of P1(V1)&nbsp; =&nbsp; P2(V2) of even at 1 ATM pressure of Argon.&nbsp; Am&nbsp; I wrong, been awhile since I had to remember Boyles law.[/QUOTE]</p><p><br /></p>

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