Ensure consistent brewing performance with the Delonghi Coffee Machine Descaler SER3018. Limescale deposits can restrict water flow and reduce heating efficiency, leading to poor coffee quality and machine strain. This descaler restores internal cleanliness and optimal functionality. Formulated with powerful yet safe cleaning agents, it effectively dissolves mineral buildup while protecting internal heating and water systems. It helps extend machine life and maintain stable brewing performance over time. Installation / Replacement Instructions:1. Switch off and unplug the coffee machine.2. Empty any remaining water from the tank.3. Add the recommended SER3018 descaling solution to the water tank.4. Dilute with water according to manufacturer guidelines.5. Start the descaling or cleaning cycle.6. Rinse thoroughly by running clean water through the system. Compatible with select Delonghi coffee and espresso machines, this OEM-quality descaler ensures reliable maintenance and long-term machine protection. Key Features:• Effectively removes limescale buildup • Enhances heating efficiency and brewing performance • Helps extend machine lifespan • Safe for internal components and water systems • Compatible with select Delonghi models