What is the difference between table salt and sea salt?

Many recipes call for you to use sea salt instead of table salt.  So what is the difference between them.  Standing in the super market looking at all the salts which is really the best one to choose.  Price is a major difference between the salts and table salts seem to be a lot cheaper than the different sea salts available to purchase.

The main differences between sea salt and table salt are in their texture, taste and processing.

Sea salt is produced through evaporation of ocean water or water from saltwater lakes, usually with little processing. Depending on the water source, this leaves behind certain trace minerals and elements. The minerals add flavor and color to sea salt, which also comes in a variety of coarseness levels.

Table salt is typically mined from underground salt deposits. Table salt is more heavily processed to eliminate minerals and usually contains an additive to prevent clumping. Most table salt also has added iodine, an essential nutrient that helps maintain a healthy thyroid.

Sea salt and table salt have the same basic nutritional value, despite the fact that sea salt is often promoted as being healthier. Sea salt and table salt contain comparable amounts of sodium by weight.

is there a good reason to buy sea salt?

Yes, if you’re seeking the flavours, colours, and textures provided by the different sources and processing techniques of sea salt manufacturers.  These qualities can make a difference.