P&S Iron Buster Wheel & Paint Decon Remover is a fast-acting, pH-balanced cleaner that is designed to safely dissolve ferrous particulates from wheels and painted surfaces. It is a color-changing product that will quickly turn purple when applied to surfaces with plenty of iron particulates. Once applied, it will effectively remove embedded iron particulates along with other contaminants from wheels and painted surfaces. Simply rinse the surface after use to reveal a clean surface. This product is an effective and safe choice for removing iron particulates and other contaminants from your vehicle's wheels and painted surfaces.