Using the Nella 12 - liter coffee urn is a breeze. First, fill the urn with water and coffee grounds according to your desired strength. Place the chafing fuel can in the cradle and light it. Wait for the coffee to brew. Once it's ready, use the easy - to - use spigot to serve your coffee. When it comes to cleaning, simply empty the urn, rinse it with warm soapy water, and dry it thoroughly. As for maintenance, make sure to check the chrome legs regularly for any signs of damage. Keep the urn in a dry place when not in use. Do not overfill the urn to avoid spills and ensure the best brewing results. Also, always handle the hot urn with care to prevent burns.