Alaea Hawaiian Salt is a fine blend of sea salt and Hawaiin red clay, Alaea is used for seasoning and preserving foods.  Alaea is a non-processed salt that is rich in trace minerals, it is an essential ingredient in making Kahlua Pig and Poke and is traditionally used in cleansing and purification ceremonies on the island.

How is the Sea Salt Harested? Thank to Sea Earth Atmosphere and Hawaii Institute of Marine Biology

https://manoa.hawaii.edu/sealearning/grade-5/physical-science/matter-sea/traditional-ways-knowing-salt-harvesting