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CoffeeBreak.Today » Health » Could Your Keurig Be Making You Sick? Single Serve Coffee Makers and Mold

Could Your Keurig Be Making You Sick? Single Serve Coffee Makers and Mold

single serve coffee makersPurdue Scientists Warn of Mold in Single Serve Coffee Makers

Single serve coffee makers are the fastest growing segment of the coffee brewer market. Many coffee drinkers appreciate the convenience of dropping in a coffee capsule and pumping out a single cup of coffee. Others really love the variety of coffees available for single cup coffee brewers, especially the Keurig. On the other side of the issue, coffee purists say that single serve coffee makers make lousy coffee, and that the packaging, particularly K-cup style capsules, are bad for the environment. Now, scientists at Purdue University are sounding another alarm. Single serve coffee brewers, they say, are prone to collecting mold and mildew, which can make you sick.

According to Purdue Extension director for Tipton County said that mold grows on hard plastic services. Many people who use singe serve brewers simply add water to the water reservoir when it runs low, providing the ideal atmosphere for mold to grow. The resulting mold infestation can cause a variety of ills, including allergic reactions, bloating, stomach discomfort and respiratory reactions.

Avoiding Mold in Single Serve Coffee Brewers

It’s not difficult to avoid this particular health hazard, notes the Purdue Mold team. It just means paying attention to good coffee hygiene. They recommend the following:

  • Clean your coffee maker’s reservoir regularly. Use a commercial product, or, if you prefer, use vinegar or baking soda.
  • Follow the manufacturer’s cleaning directions.
  • Use a clean coffee cup every time.
  • Empty the drip tray regularly, at least weekly, but preferably daily.


Deb Powers has been reading about coffee, drinking coffee, brewing coffee, writing about coffee and roasting her own coffee for nearly 30 years.She confesses to being a coffee wonk and finds endless fascination in even the most meta of coffee information.
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Deb Powers – who has written posts on CoffeeBreak.Today.

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