1. Soak holder already finishes pre-washing process with the effect of keeping the bottom part wet while you enjoy coffee.

2. When you clean up CERAFIL, please shake it and drop coffee powder. If you scrub coffee powder gently, it will be removed easily from CERAFIL.

3. Because of the grey color of CERAFIL, you can easily find which part coffee part remains. After cleaning please wash with water. When water becomes transparent, cleaning has been completed successfully.

4. If you can't wash powder off well, please use bottom washable small brush.

* Please do not use detergent.
* When you left CERAFIL long time without washing (more than 10 hours), please boil CERAFIL with hot water at least 10 minutes. Clogging is solved and coffee powder, oil will be removed clearly.
* You don't have to use fire nor oven to clean CERAFIL up.
* PLEASE DO NOT USE MICROWAVE. GOLD (PlATINUM) GLAZE MAY BE MELT DOWN.