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Why Coffee Bags Have Holes and Valves- What is the hole in the coffee bag?

3,576 views · Published 23 December 2018 · 1:24 · Indexed 26 September 2026

Channel: AlaskaGranny · 2018 · People & Blogs

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Why Coffee Bags Have Holes and Valves  Why is there a hole in the coffee bag? Caribou Coffee  https://amzn.to/2GvkH2L   Manual Coffee Grinder  https://amzn.to/2vZdHoN Coffee bags have a valve that lets carbon dioxide escape.  Freshly roasted coffee needs to de-gas. The hole in coffee bags is a one-way valve or vent that lets carbon dioxide escape from the coffee beans, and prevents oxygen from entering the bag.  Coffee is degassing, and the package may explode without the hole.

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