Unitor™ Gamazyme™ Toilet Descaler is based on weak acids, bacterial strains and enzymes formulated to dissolve organic materials, uric acid and scale. It is packed in 50 gram water soluble sachets. Acts immediately due to its chemical composition. Secondary action due to its micro-organisms capable of digesting fat, grease and oil found in toilets, drains and pipes. No need for dismantling of drains and pipes when used either on a preventative or on a regular service basis.