Thick formula coats bowl above and below the waterline for long-lasting effectiveness. Safe for plumbing and septic systems. Kills 99.9% of viruses and bacteria. Leaves a pleasant scent. Application: Bowl Cleaner; Applicable Material: Ceramics; Enamel; Metal; Chemical Compound: Alkyl; Dicapryl/Dicaprylyl Dimonium Chloride; Ethanol; Dirt Types: Bacteria; Germs; Grime; Mildew; Mineral Scale; Mold; Organic Matter; Rust; Soil; Stains.