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Harvesting Salt From a Very Salty Lake

posted by Jason Kottke   Feb 11, 2021

In this video, Eater visits Lake Retba in Senegal to watch how they harvest salt from the lake. As you’ll see, the process differs from harvesting sea salt. Lake Retba is so salty — Wikipedia has it listed as the world’s second most saline body of water, more than 10X saltier than the ocean — that salt crystals naturally form at the surface of the lake and then fall to the lake bed. Harvesting it then becomes a matter of collecting it from the bottom and the lake naturally replenishes the supply every 45 days or so.