Start out Fresh. Deodorizing cleanser. Cleans and treats the ENTIRE sanitary system. Permanent or long lasting relief from odors is assured. Septic compatible. Biodegradable. Thoroughly removes encrusted and clinging solids that contain bacteria, the source of smelly odors. A special deodorizer neutralizes smells that remain in porous plastic walls and lines. Stains and odors in toilet bowls are quickly and thoroughly removed. By treating the ENTIRE sanitary system, permanent or long lasting relief from odors. Seals remain unaffected. 1 ltr bottle (32 oz)