Rock salt is very cost-effective when it comes to melting ice. http://erocksalt.com/rock-salt-uses/

Rock salt is very cost-effective when it comes to melting ice. Check out a lot more uses and recommedation on http://erocksalt.com/rock-salt-uses/

Most effective ice melt product: rock salt http://erocksalt.com/rock-salt-deicing/

Ice melt is a term used for all products that melt ice. The traditional deicing product is rock salt or sodium chloride(chemical name NaCl) which, while low in cost and very effective at melting ice.