Shub's Thoughts
Musings from my meanderings.
Showing posts with label
Coffee Bag Holes
.
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Showing posts with label
Coffee Bag Holes
.
Show all posts
Jun 19, 2020
Coffee Bag Holes
The little holes in coffee bags are there to release carbon dioxide. After roasting, coffee beans can release carbon dioxide for two weeks and without the one-way hole the bag would swell up and burst.
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