Light citrus scent. Quickly and safely deep cleans soiled grout. Ordinary grout cleaners can harm surrounding surfaces. This cleaner is safe on stone, tile, porcelain, colored grout, ceramic, and glass. Non-toxic, non-acidic, and pH balanced. Biodegradable; no phosphates or ammonia. Safe on food preparation surfaces. Includes Granite Gold Grout Brush to agitate and remove dirt.