There's a running joke in my family that centers around my older sister's absolute refusal to use a cup or mug with ingrained coffee stains. Although a cup has clearly been washed thoroughly, she ...

Tea and coffee stains on your mugs don't have to be permanent. Here's why they happen and how to get rid of them fast. Macy is a writer on the AI Team. She covers how AI is changing daily life and how ...

Tannin stains show up and remain longer on white or light-coloured ceramic mugs. If you’re a lover of hot drinks, this unpleasant sight might leave you frustrated wondering just how to remove tea and ...