No-Rinse Eco Chemical Blue Toilet Fluid for All Portable Toilets - Caravan Toilet Fluid A concentrated pleasantly perfumed liquid specially developed for the camping, caravaning and boating leisure industries. No Rinse Blue chemical & caravan toilet fluid is the modern answer to the delicate and sensitive problem of "smelly toilets". Its Formaldeyde Free special formulation contains special components that are well known for its bactericidal and excellent disintegrating properties. No Rinse Blue chemical & caravan toilet fluid provides a pleasantly perfumed treatment and cleaning fluid for all chemical toilets. Chemiphase have been manufacturing caravan toilet fluids since 1991 and have a wealth of experience in the area.