Removing mineral buildup from espresso machines is essential for maintaining optimal performance and flavor. A common and effective method involves using a solution of diluted acetic acid, commonly found in household vinegar. This process helps dissolve calcium and other mineral deposits that accumulate over time due to hard water, improving water flow and heat transfer within the machine.
Regular cleaning with an acidic solution prolongs the lifespan of the appliance, prevents blockages, and ensures consistent coffee quality. Mineral buildup can negatively impact the taste of espresso, lending a bitter or metallic flavor. Furthermore, neglected scaling can lead to costly repairs or even premature machine failure. This practice has been a staple of espresso machine maintenance for decades, offering a cost-effective and accessible solution for both professional and home users.