Should help get rid of those pesky salt stains on carpeted mats. Only $5.55 at Napa. I remember a thread where someone was asking the best way to get rid of the stains. Regular carpet cleaner doesn't seem to do that much to help. I haven't used it yet but will pick some up.
https://www.napaonline.com/en/p/MMM39146
https://www.napaonline.com/en/p/MMM39146