The Maintenance To ensure perfect results every time and keep your De'Longhi machine in top condition. Contains enough descaler for two descaling operations 2 x 100 ml pack Ecological descaler made with 100% lactic acid Used regularly De’Longhi EcoDecalk coffee machine descaler liquid significantly reduces the likelihood of premature breakdown from scale build-up, increases the energy efficiency and improves coffee flavour and crema. Paper and plastic used for the packaging are 100% recyclable – Safe and easy to use. Please follow instructions for your coffee machine, or see the videos below. Suitable for all coffee machines, including bean to cup machines, pump espresso machines, filter coffee pots, pod machines. Easier and quicker to use than coffee machine descaling tablets. No need to wait for the natural descaler to dissolve.