Extend the lifespan of your coffee machine and maintain the quality of your coffee by using De'Longhi's eco-friendly descaling solution regularly. Preserve the energy efficiency capabilities, and ensure that the coffee machine is able to extract the best coffee flavour and aroma, as perfect as the first day. - 100% recyclable packaging material to reduce wastage. - Suitable for all coffee machines, including fully automatic coffee machines, pump espresso, drip coffee machines and kettles. - To descale, simply add the fluid to the water tank with fresh cold water and follow the simple instructions on your coffee machine.