If you constantly use a white cup for ready-made tea or coffee, then plaque inevitably accumulates on the surface.
It is quite difficult to wash it with a regular detergent - you have to press hard or use an abrasive.
But it is better not to use force, as this can scratch or even break the mug.
We offer simpler and more effective means.
Here are 5 ways.
Earlier we wrote about how to clean your refrigerator from unpleasant odors.