Since the products are manufactured by hand, there will be slight differences in each product that will never affect normal use, so it cannot be used as a reason to return or exchange products. Please understand that the following may occur.
The cup body is stained with iron powder
Cup with black spots
Brown or black stains on the cup
There are some bumps on the bottom or surface of the cup
Bumps or scratches on the rim of the filter bowl
1. If the product is well cared for, it is an item that can be used for a lifetime. Please rinse it with water as soon as possible after each use. Rinse with water before each use.
2. If it has been used for a long time, the filter hole may be slightly blocked because the oil of the coffee beans blocks the filter hole. In this case, please put the filter cup in boiling water for 10 minutes (the water must be fully cover the colander)
3. If you want to clean more cleanly, you can add the gardenia powder to the water and boil for 10 minutes. This will make the filter holes have better water filterability. The amount of soda powder is about 1 tablespoon to 1 liter of water. 3 tablespoons Please do not add soda powder when the water is boiling, this is extremely dangerous If you use aluminum pans, it may turn the pan black