To Keep your Gaggia Espresso Maker Coffee and Espresso tasting as fresh as the day that you purchased your Gaggia Espresso Maker, it is important to keep your espresso maker clean. Use the Gaggia Espresso Machine Decalcifier to remove calcium deposits and lime buildup from the internals of your Gaggia Espresso Machine, which will improve the quality and extend the life of your Gaggia Espresso Machine