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Ultimately, all salt on earth is sea salt. The “sea salt” label, however, refers to recently evaporated salt. Evaporation ponds exist all round the world. In these shallow ponds, sunlight and time are used to isolate salt from the sea. Rock salt, which is salt that is mined, is sea salt that evaporated a long time ago. For the most part, it is no different from modern sea salt, except that since it was made before man, it does not contain man-made pollutants. Ultrapure sodium chloride that you might get from a chemical supply company is made by reacting sodium with chlorine. It’s expensive and, to our knowledge, is not used for food.Colored salts get their hues from different impurities. Some of these are the result of the evaporation of inland seas or lakes, although many of the colored salts today are deliberately made with impurities to change their color. As a result of inland seas or lakes having a much smaller volume than oceans do, salts from these sources might have a higher percentage of impurities. Just know that when someone touts the advantages of sea salt, unless they are buying it from a chemical manufacturer, all salt is pretty much sea salt.Pictures in order: 1. Cutaway of table salt 2. Macro shot of iodized table salt 3. Macro shot of coarse salt 4. Macro shot of kosher salt5. Macro shot of Himalayan pink salt#TableSalt #Salt #PinkSalt #FoodPhotography #Photography #FoodFacts