Durgol Swiss Espresso is a special descaler for high-quality coffee machines of all brands. It is equally suitable for fully and semi-automatic machines, piston machines, as well as coffee pad and capsule systems. Durgol has a proven cleaning effect and removes 99.9% of bacteria (Bacillus subtilis). It leaves no residues in the machine; after descaling and subsequent rinsing, it is food-safe.