Coffee stains on porcelain mugs or cups are very disgusting, making you to throw the cup away and not wanting to drink from it ever again. But you shouldn’t give up to your favorite coffee cup, because there is cleaver trick that will easily remove coffee stains from mugs and cups, no matter how old the stains are.
Coffee or black tea stains porcelain and ceramics. If you forgot your coffee on the table for a whole day, the next day it is very hard to clean the stains inside the cup. Over time, more stains appear, and your cups lose their beauty.
Vinegar and beer clean the porcelain
Typically, coffee stains persist if there are stone deposits on the bottom of the cups or if there are fine cracks in the porcelain.
You need to use two acid solutions that can clean the pottery or porcelain in depth.
Vinegar is the very handy, but beer is not to be discarded. Fill the coffee cups with vinegar or beer, and wait for about 2-3 hours. The acid will act and dissolve the stone from the mugs, removing the coffee or tea stains.
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