For rock salt, try
http://www.garick.com
Contact Ralf (national sale manager).
Mention my name and it might help. They are a national supplier of rock salt. Might be abit expensive comparitively speaking, but they should be able to help you.
http://www.garick.com
Contact Ralf (national sale manager).
Mention my name and it might help. They are a national supplier of rock salt. Might be abit expensive comparitively speaking, but they should be able to help you.