Granite Gold Outdoor Stone Cleaner will help you safely clean your outdoor stone and concrete. You can use the cleaner on natural stone surfaces such as granite, marble and travertine as well as quartz surfaces and ceramic and porcelain tile surfaces. It will remove mold, mildew, dirt and more from driveways, patios, decks, walkways and more. The 64-ounce spray bottle has a nozzle on the top that easily screws onto a garden hose for effortless spraying and cleaning.