This stain remover might surprise you, but many people swear by it. Beat an egg yolk and work into the coffee stain with a terry-cloth towel for about a minute. Rinse thoroughly with water, and the stain should be completely gone.
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You can easily scrub away unattractive rings on tea cups or coffee pots by sprinkling salt onto a sponge and rubbing in little circles across the stain. If it doesn’t come out immediately, mix white vinegar with salt in equal proportions and rub with the sponge.
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