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Old 02-04-2019, 04:59 PM
jack hairy jack hairy is offline
Senior Member
Join Date: Feb 2011
Location: michigan
Posts: 1,654

vacuuming in a jar will keep them from getting crushed.

i have both size attachments for vacuuming jars with a foodsaver.
i dont really use them, but i have and it works.
it is fun opening a jar and getting that nice whooosh of air entering.

The purpose is to remove the oxygen present in the air to prevent interaction/degradation.

sure the seals work well, but they hold that oxygen in unless you suck it out first.
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