De'Longhi EcoDecalk Descaler DLSC500, 5 Decalcification Doses, Coffee Machine Descaler, Coffee Machine Maintenance Accessory, Plant-Based Ingredients, Bottle with 5 Doses, 500ml. Dilute 100ml of solution in 1L of water: For the descaling process, always follow the instructions provided in the manual of your De'Longhi coffee machine.
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