"The parts of the bottle warmer can be cleaned by hand, but should never be placed in the dishwasher.
To keep the bottle warmer functioning properly, it’ i important to descale it regularly. First, allow the unit to cool and ensure it is turned off. Then, mix 100 ml of water with 50 ml of vinegar and pour it into the reservoir. To prevent damage, don’t leave the solution in the bottle warmer for more than 30 minutes. Afterward, rinse the bottle warmer thoroughly with clean water.
For detailed cleaning instructions, please refer to the manual."