Few things disrupt a perfect cup of espresso like a neglected machine. Over time, mineral buildup from water and coffee oils clogs internal components, dulling flavor and reducing efficiency. Using vinegar is a cost-effective, natural solution to remove limescale and restore your espresso machine’s performance. But how much vinegar do you really need? The ideal ratio is 1 part white vinegar to 2 parts water—this powerful yet gentle mixture dissolves stubborn deposits without damaging sensitive parts. Proper dilution ensures effective cleaning while protecting rubber seals and heating elements. Mastering the right amount prevents overuse, maintains optimal function, and extends your machine’s lifespan. Follow this simple guide to achieve sparkling results with everyday kitchen vinegar.