The Elsan Green Herbal Formula is formaldehyde free and is suitable for all chemical toilets, waste holding tanks and cassettes.
This toilet fluid kills germs and prevents malodours to keep your toilet safe, clean and fresh. Add Elsan Green to your waste holding tank/cassettes only, and never add this to your fresh water tank.
Always empty the waste tank in a designated point and rinse with fresh water. Elsan Green will not cause damage to seals or moving parts.