JFlint has, for years, earned its reputation by selling Mr. Hard Water products, effective in removing hard water stains on all types of surface. The scrubber is made of tough durable plastic optimized for hard water stain removal. You don't have to worry about scratching or marking windshields, mirrors, glass table tops, or shower doors. JFlint products are also used in marine cleaning, boat cleaning, and wood works and finishes.
You can also buy the Mr. Hardwater Deluxe Kit, which includes a polisher, Mr Hardwater powder, a mixing bowl, application brush,
Mr Hardwater Liquid Polish, a nylon polishing pad, steel wool polishing pad, sealer application kit, and instruction manual.