Sea salt is used in cooking and cosmetics. Sea salt does not contain a high amount of iodine. Sea salt is not recommended as a healthy sustitute for regular table salt. Iodine is a necessary nutrient. Just recently, sea salt that is sold in stores contains iodine that is added to address the concerns of health. Long ago sea salt was called bay salt or solar salt. Regular table salt is made from mined rock salt. Sea salt is produced in the Cayman Islands, Greece, France, Ireland, South Korea, Colombia, Italy, United Kingdom, and the United States. Sea salt is much more expensive than table salt. It is mostly used in gourmet dishes and kettle cooked potato chips. Sea salt contains chloride, sodium, sulfate, magnesium, calcium, potassium, bicarbonate, bromide, borate, and strotium.
Shallow man-made ponds are common today. These are called salt evaporation ponds. These onds are made to produce salt from sea water. There are salt ponds in the United States in San Francisco Bay. Long ago in China, it was believed that by immersing people in sea water that the salt would heal different ailments. One way of producing sea salt is rom solar evaporation. Salt dates back to biblical times of around 450 BC. Salt has the natural ability to preserve food. It is a desirable food seasoning worldwide. People even use salt as a cleaning agent in the household. Long ago salt water was used to clean teeth. Sea salt is known to allow the formation of clouds in air that is not polluted. In people, a very high salt intake is known to increase blood pressure.