ECOS Pro Toilet Cleaner, 1 Gal., Viscous Toilet Cleaner is formulated with cedar oil and citric acid to effectively clean and deodorize toilets, urinals and other ceramic bathroom surfaces. Removes hard water stains and mineral deposits without any fumes. Readily biodegradable, pH balanced formula is made using sustainable, plant-derived surfactants. Product is free of dyes, greywater and septic safe. Recognized by the EPAs Safer Choice (DfE) and USDAs BioPreferred Program.