Optimum MDR is a mineral deposit remover that makes light work of removing water spots and other mineral deposits on your vehicle's surface. OPT MDR can be used by hand or with a machine. Simply apply MDR to the surface area needing to be cleaned of water spots and let the product work for 3-4 minutes then wipe MDR from the surface and your done. Optimum MDR is non abrasive so you don't have to worry about leaving swirls or damaging your vehicles surface while using it. If you want to use MDR with a machine you can apply it to the surface needing cleaned, let it work in 3-4 minutes, and then go over it at low speed with a polish pad / bonnet to remove the product. Optimize your detailing process by making light work of removing hard water spots and other mineral deposits.