Powerful liquid gel that degrades waste in black tanks and waste pipes. Utilises specific microbes and eco surfactants for cleaning and to help eliminate and control odours. Safe for all waste management systems Formulated with naturally derived ingredients and readily biodegradable. Not testet on animals and packaged in post consumer recycled plastic with )% manufacturing waste. Instructions: Ready to use. Pour directly into the toilet or directly into the black tank. Dosing Rates: 250 ml per toilet per week. 1 litre per 1000 litre waste water holding tank per week.