ValueX Brown Rock Salt 25kg Bag 108098 Perfect for clearing ice and snow, this rock salt prevents accidents and allows for easier passage. Containing a specially formulated anti-caking agent, this salt is designed to retain its spreadable properties, even if you have been storing the salt for extensive periods of time. Conforming to BS 3247 guidelines on rock salt, this product has been certified for use on public roads. This pack contains a 25kg bag.