Camp Blue is a concentrated waste tank chemical for camping toilet waste tanks. All toilets need to be maintained with suitable chemicals to guarantee proper functioning, including your camping portable one! Stimex Camp Blue uses biodegradable and environmental friendly chemicals that will provide suitable maintenance and hygiene upkeep in the waste tank! FEATURES: Environmentally Sound Highly Concentrated Toilet Liquid Designed for Waste Tank of all Portable, Cassette and Holding Tank Toilets Effective Chemical Composition Prevents Scaling and Leaves a Protective Layer in the Chemical Toilet (Makes faeces attach less easily to toilet therefore increasing hygiene) Removes Unpleasant Odours and Leaves a Pleasant Scent Breaks Down Bacteria Prevents Gas Forming Contains: 2.5L