Amazon.com: De'Longhi La Specialista Espresso Machine & Hot Water Spout for Americano Coffee or Tea, Black, EC9335BK & EcoDecalk Descaler Descaling Solution for Coffee & Espresso Machines, 16.90 oz: Home & Kitchen
When to Descale Your Delonghi Coffee Machine?
How to descale the Magnifica Evo with milk ECAM290.61.SB | When you see that red warning light it means it's time to descale, descaling is simple and easy, follow this "how to"
De'Longhi | Rinse & Descale: Cleaning Home Coffee Machines
Magnifica S | How to descale your coffee machine (model range BEFORE 2015) - YouTube