To remove a tea stain, soak the pot overnight in diluted oxygen bleach (for tableware use) to clean. Then rinse and dry thoroughly to avoid any residual smell.
You may notice small spot (called a "pin hole") on the surface depending on the item. This is a natural occurrence during the baking process.
This product is made of ceramic clay that contains iron powder. You may notice small black spots on the surface, but that is not a sign of defect or malfunction, but a character of the material.
Do not use abrasive sponges, metal scrubbers, or cleansers to clean
