If the salt is maintained dried - infinite.
Rock salt is not a rock...its just a salt that can be extracted from salty water especially from sea water.
The address of the Salt Rock is: 5575 Madison Creek Rd, Salt Rock, 25559 9801
yes but then it will shorten your lifespan
Rock salt is a chemical sedimentary rock.
Rock salt is chemical!
Rock salt and table salt are both sodium chloride - NaCl; table salt is the pure form of rock salt.
mixture of rock particle and salt
Rock salt is not flammable.
You can eat rock salt
Rock salt
Rock salt
rocks and salt duhhh