Stilosa
The coffee has an acid taste
Try this solution
After descaling, rinse the appliance as described in descaling guide
Potential cause:
Inadequate rinsing after descaling.
Do you need descaler? Delonghi's EcoDecalk has been specifically designed with your machine in mind. Using this descaler regularly will prolong the lifespan of your machine and keep it running at optimal performance.
De'Longhi Coffee Machine Descaler EcoDecalk 500ml Best Value Pack (delonghi.com)
How-to guide
1. Place the cup under the hot water spout
2. Turn the dial on the side to the steam/hot water position
3. Turn the dial on the front to the coffee/hot water position
Delivery of hot water starts. Deliver water for a maximum duration of 60 seconds.
4. Stop delivery by turning the dials back to the "0" position
