An eco-friendly, highly concentrated liquid descaler which rapidly and easily removes lime scale and calcium build up from metal surfaces in contact with hot water such as espresso machine water tanks, coffee brewing, and other hot water equipment Heavy duty and high performance. Made with a formulation of organic acids which are naturally occurring compounds produced by fermentation of simple sugars. Tough on a scale and specifically formulated to include compounds that ensure it is safe to use on aluminum, brass and stainless steel. An organically certified, concentrated liquid designed to decalcify (delime or descale) espresso machine water tanks and coffee brewing equipment. Contains a synergistic blend of 4 organic acids that give outstanding scale removal. Descales 9 times more effectively than white vinegar and has practically no odour. 1 Litre provides 8 doses. Safe to use on aluminum, brass and stainless steel.