Toilet bowl cleaner kills 99.9% of bacteria and viruses. Angled neck applicator targets hard-to-reach areas, including under the rim. Thick formula coats the bowl above and below the waterline. Coating action provides longer contact to help dissolve tough rust stains and mineral deposits. Use regularly to prevent buildup of mineral deposits. Application: Bowl Cleaner; Applicable Material: Ceramics; Enamel; Metal; Chemical Compound: Hydrochloric Acid; Dirt Types: Bacteria; Grime; Mildew; Mineral Scale; Mold; Organic Matter; Rust; Soil; Stains.