Elsan Organic 2 Litres (green)\nElsan Organic has been developed with brand new technology which works in a completely different way to conventional toilet fluids. By dissolving waste and removing odours naturally the chemical smell that has long been associated with caravan and boat toilets has at last been eliminated and replaced with a delightful mild fragrance.Elsan Organic can be used in both flush and waste tanks and because it is biodegradable and free from harsh chemicals it can be safely emptied into a septic tank. Dosage: Add 60ml of Elsan Organic to the waste holding tank for every 10Ltrs of waste tank capacity/Top tank rinse add 30ml to every 10Ltrs of water.\n\nElsan Organic 2 Litres (green)\n\nElsan Organic has been developed with brand new technology which works in a completely different way to conventional toilet fluids. By dissolving waste and removing odours naturally the chemical smell that has long been associated with caravan and boat toilets has at last been eliy