Blue Diamond 2 litre Concentrated Blue Toilet Fluid is a powerful, efficient and effective fluid, managing waste quickly and leaving your loo pleasantly perfumed. The product is environmentally-friendly and completely formaldehyde free, ensuring there is competent odour control. It is formulated especially for use in the outdoors, for example in caravans/motorhomes and for portable toilet systems, typically used inside tents/awnings. Blue Diamond toilet fluid offers great value for money and will efficiently control unwanted waste.