Foaming formula works fast to break down the toughest grout stains caused by mold, mildew, soap scum & hard water. Removes dirt build-up, set-in stains & soils faster & easier than all-purpose bathroom & tile cleaners. Recommended for porcelain & ceramic tiles, fiberglass & natural stone including granite. Multi-surface safe. Application: Bathroom; Kitchen; Applicable Material: Ceramic; Fiberglass; Granite; Dirt Types: Hard Water Stains; Mildew; Mold; Soap Scum; Scent: Citrus.