Tea stain refers to the sediment produced during the brewing process of tea leaves, usually appearing as a yellow brown or black substance on the surface of containers such as teapots and cups. It is mainly composed of precipitates formed by the oxidation reaction of tea polyphenols, caffeine and other components dissolved in water. The formation of tea scale is the result of the reaction between chemicals in tea and minerals in water, and it is also a manifestation of tea quality.
1. Citric acid cleaning: Dissolve the citric acid powder in warm water, then apply the solution to the tea stain on the ceramic cup and gently wipe it. Citric acid has a certain dissolution effect on removing tea stains.
2. Vinegar cleaning: You can use white vinegar or apple cider vinegar, mix vinegar and water to form a solution, and then use a soft cloth or sponge to dip in the solution to wipe off tea stains. Vinegar has a dissolving effect on minerals and helps to remove tea stains on the surface of ceramics.
3. Baking soda cleaning: Baking soda is also an effective method for removing tea stains. You can sprinkle Xiaosu Mo on a damp sponge or cloth, and then gently wipe the ceramic surface.
4 Special cleaning agents: Some commercially available tea set cleaning agents may contain ingredients to remove tea stains and can be used according to the product instructions.
5 Soft bristle brushes: Use a soft bristle brush, such as a toothbrush, to gently wipe away tea stains, being careful not to use excessive force to avoid scratching the ceramic surface.