Do stubborn dark ring linings inside your mugs spoil your morning? Use baking soda and vinegar hack to make them look brand new instantly

Dark, stubborn stains in ceramic mugs often result from tannins and the minerals found in hard water. These elements bond to tiny scratches on the surface of the mugs. An easy remedy involves mixing baking soda with water to create a paste that lifts these persistent stains. In cases of significant buildup, vinegar and salt work together as a potent scrub.