Jelmar CGS-12 12 Oz. CLR Stone Cleaner by Jelmar. $6.99. Removes food and grime from stone surfaces.. One step stone cleaner and protector.. "JELMAR COMPANY" STONE CLEANER. Safe for granite, marble, Corian, tile and other h. 12 oz. aerosol.. Aerosol CLR stone cleaner for use with granite, marble, Corian, tile, and other hard surfaces. Provides a streak free shine. Safe to use and will not scratch. Removes food and grime with 1 step cleaning and protection. 12 oz.