Ring King Toilet Ring Remover Soap Scum Remover is a general non-acid, ready-to-use, non-abrasive soap scum remover cleaner that removes stains such as grease, oil, dirt, grime, and soap scum. Our formula is safe for use on surfaces such as toilets, urinals, bathtubs, floors, walls, concrete, wood, stainless steel, chrome, brass, copper, porcelain, ceramic, and laminated tiles; for glass surfaces, dilute 1 part cleaner to 16 parts waters to prevent streaks on mirrors; it's not recommended for painted surfaces. This product, besides cleaning, leaves a refreshing light lemon scent to keep the shower smelling clean. The concentrate can be used right out of the bottle and does not require scrubbing as it penetrates hard-to-clean surfaces for easy, quick cleanup. To use the cleaner, apply directly on the surface, let the solution sit for 1-3 minutes, then wipe with a clean cloth, mop, or sponge. Ring King soap scum cleaner is a Multi-Surface Cleaner that can be used on a wide variety of surfaces to offer you an easy, quick way to rid your areas of stains while keeping them smelling fresh.