Personally, as a coffee lover, coffee stains on mugs are not really a big problem that I have. Maybe it’s because I use instant coffee, or because I’m blind and I haven’t noticed the stains yet. Either way, if coffee stains in mugs are a big problem for you, The Kitchn’s Ever Meister might be of help!
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Meister tested five different methods for clearing said stains in order to find out the most effective way. Check the results of her experiment here!
Image credit: Sarah Crowley
Source: neatorama