Coffee urns are like large coffee makers that make up to 100 cups of coffee at a time, depending upon the size. In addition to brewing the coffee, a coffee urn also keeps the coffee warm for a few hours. Coffee urns are used at receptions, banquet halls and other places where many people drink coffee. Similar to a regular-sized coffee maker, when coffee residue collects inside a coffee urn the flavour of the freshly brewed coffee is affected.
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Things you need
- White vinegar
- Baking soda
Calculate how much white vinegar is needed to properly clean the coffee urn. One-half cup is needed for each 4 cups of water the coffee urn can hold. If the coffee urn makes 20 cups of coffee, then 2 1/2 cups of white vinegar is needed for cleaning the urn.
Pour the predetermined amount of white vinegar into the coffee urn. Fill the coffee urn the rest of the way with cool water.
Run the coffee urn through a regular brewing cycle. As the coffee urn brews, the vinegar solution will loosen and lift coffee residue from the insides of the coffee urn. Turn off and unplug the urn after the cycle has completed and allow it to cool.
Press the coffee dispenser to let some of the vinegar solution pour through after the vinegar solution has cooled. Empty most of the vinegar solution, leaving a little bit inside the urn to use for scrubbing the inside.
Scrub the inside of the coffee urn with the remaining vinegar solution and a clean sponge. Sprinkle baking soda on the sponge to tackle stubborn coffee stains.
Rinse the coffee urn well with cool water. Flush the inside and the coffee dispenser several times to ensure no vinegar or baking soda residue is left behind.
Tips and warnings
- Wipe down the inside of the coffee urn after each use to prevent coffee residue from building up inside the coffee urn.
- Allow the coffee urn cleaning materials to cool inside the coffee urn before finishing the cleaning process as hot liquid can cause burns.
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