this post was submitted on 01 Jan 2024
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Coffee
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I don't know what minerals they place in the packets exactly, but some salts tend to be very sensitive to moisture and attract moisture from the atmosphere (more so than sugar or table salt). Kept in a paper satchel, which is permeable to moisture, they could potentially absorb enough moisture to become a wet goopy mess in a paper packet. So my guess is that they use plastic for stability reasons of their mix. Sure, they could sell it in glass jars with a measuring spoon, I guess.