No chemical smell. By dissolving waste and removing odours naturally, the chemical smell that has long been associated with caravan toilets has at last been eliminated …and replaced with a delightful mild fragrance.It’s a toilet rinse too. Moreover, Elsan Organic can be used in both flush and waste tanks which makes things so much more convenient. Natural odour control. Because it is environmentally safe and free from harsh chemicals, waste can be emptied into a septic tank. Not only will Organic make your toilet a better place, but you??ll be doing your bit for the environment too.