Heat preservation cup is a very common water cup in autumn and winter. But some people like to drink tea with heat preservation cup. Sometimes, if they don't pour the tea residue in time, it will rust easily. How to deal with the rust of heat preservation cup?
1. Soak in dilute hydrochloric acid. Rust can be removed by soaking in dilute hydrochloric acid for a few minutes.
2. Soak in vinegar. Soak the vinegar in the cup for a few minutes, and then gently wipe it with a clean dishcloth. After wiping, it can make the cup return to a smooth and bright surface. This method is practical and practical, suitable for each family.
3. Soak in disinfectant. It can also be used for derusting with disinfectant. When derusting, put the disinfectant into the heat preservation cup and soak it for a few minutes, and wipe it with dishcloth. It can also restore the original brightness of the inner wall of the heat preservation cup.
In addition, by the way, how to remove the tea dirt of tea cups, heat preservation cups and other items? When removing the tea dirt, use toothpaste to smear on the inner wall. After a few minutes, use a toothbrush to clean it. After cleaning with water, the tea dirt can be removed.