Safety is paramount, especially in Winter. And that's why virtually all road gritting that takes place, uses Brown Rock Salt (Halite). Whilst effective at de-icing, Rock Salt can leave a unsightly residue behind that is often (accidentally) stamped into carpet, causing discoloration if not cleaned up quickly. If you have found this article, post staining, do not fear, below is 3 easy steps you can take to clear up that stain!