Highly concentrated, water-soluble toilet fluid that provides outstanding odour control, reduces gas build-up, and liquefies waste for easier tank emptying. Ideal for use in portable toilets and cassettes and are also suitable for winter camping. Easy to use: sachets completely dissolve in water Pine scent Package contents: 15 x 25gr sachets Performance: 1 dose lasts up to 5 days. Dosage Information: 1 sachet per 20L of waste-holding tank capacity and add 2-3 L of water.