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