This Blue Diamond Concentrated Toilet Fluid is formulated with 10% formaldehyde to effectively break down waste and leave a fresh odour in your camping toilet. It is designed to work in unison with Blue Diamond Bowl Cleaner and is suitable for all types of chemical toilets, especially cassette-style ones. The fluid comes in a 4-litre container with a childproof cap and an easy-pour handle, making cleaning your toilet easier and safer. Recommended for camping and caravanning activities.