Were doe`s salt come from?
Salt is produced using three methods: Rock salt mining, solar evaporation, and vacuum evaporation. In rock salt mining, salt is mined from large underground deposits called beds or domes. It is crushed into manageable chunks and hauled to the surface, where it is screened, bagged, and shipped for further processing into commercial products and food-grade salt. Solar evaporation is the oldest method of salt production known to man. Seawater is captured in shallow ponds and allowed to evaporate by sun and wind. According to the Salt Institute, seawater contains on average 2.7% salt by weight. If you’ve ever flown into San Francisco or Oakland and looked out the airplane window to see a series of colorful ponds along the edge of San Francisco Bay, those are salt evaporation ponds belonging to Cargill Salt, the world’s largest marketer of salt. These ponds have been producing salt for more than a century. Their colors range from pale green to deep pink, caused by micro-algae that change th