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Sea salt made from current seawater would include microplastics from that water, but rock salt would not as it was formed before these plastics existed. On the
by PeterisP 4y ago
Sea salt made from current seawater would include microplastics from that water, but rock salt would not as it was formed before these plastics existed. On the other hand, various mines of rock salt may have all kinds of other mineral additions that may be harmful for human consumption, so most rock salt is used for e.g. deicing roads.
- 2Gkashmiri 4y agohttps://www.youtube.com/watch?v=h23rF0xrhTE https://www.youtube.com/watch?v=h23rF0xrhTE historically this mine for example has been used to extract salt for generations........