Boulder Clean Toilet Bowl cleaner is naturally powered by plant extracts to remove stubborn stains and deodorize as it cleans. Powerful clinging gel in a non-abrasive thick, formula removes dirt and grime while destroying germs, without bleach, to make your porcelain toilet bowl look shiny and new. Made with biodegradable, plant-based ingredients, this cleaner is safe for septic tanks and waterways. Biodegrades in 28 days. Its convenient pull top cap makes use quick and easy. Pleasant Bergamont scent derived from plant-based fragrances and botanical oils.