HG descaler for espresso & pod-coffee machines is an espresso machine descaler based on citric acid that removes scale from all types of espresso and pod-coffee machines. This espresso machine descaler works safely and quickly; it is odorless and fully biodegradable. Manufacturers recommend descaling on the basis of lactic acid or citric acid, HG has both! Our espresso machine descaler based on citric acid is enough for descaling 6 times.