Please note that delivery times due to high traffic may be delayed. Limescale is one of the most common causes of coffee machine failure, so it's very important to remove it in time. The new eco-friendly descaling liquid De’Longhi "EcoDecalk" efficiently removes limescale accumulated in the water system of your coffee machine while prolonging the lifespan of your appliance too. Laboratory tests show that compared to traditional descalers, this one's three times as effective! Grab a bottle and let it help you save energy, as well as ensure the finest coffee flavour day in and day out. Suited for all types of coffee machines.How to use it?One bottle (200 ml) of this descaling liquid is enough for two descaling cycles. Each cycle requires 100 ml of descaler, which then has to be mixed with water.- If you're using a bean-to-cup machine (with a built-in grinder), simply run the descaling program (see the user manual of your appliance for more details). - If you're using a semi-automatic