Yes, rock salt; not sea salt. There is a difference. Sea salt is made by drying out sea water. So, the cheap rock salt sold in markets comes from the underground salt mines. The more expensive sea salt that we find in gourmet shops comes from the sea. Chemically, there’s not much difference as they are both more than 99% sodium chloride. That’s sea salt sprinkled on the fish in the photo. read more
Difference Between Sea Salt and Rock Salt. Summary of Sea Salt vs. Rock Salt. Sea salt is a variety of salt that is collected on the floors of the sea after sea water evaporates while rock salt is a variety of salt that is mined below the earth surface where it exists in forms of rocks. read more