The answer to 'how to clean humidifier' is to clean it regularly to prevent the buildup of minerals, bacteria, and mold. This helps maintain the efficiency and safety of your humidifier.
Start by unplugging the humidifier and removing any removable parts like the water tank, filters, and trays. Wash these parts in warm, soapy water, scrubbing to remove any buildup. Rinse thoroughly and allow to fully dry before reassembling. Wipe down the interior of the humidifier base with a soft cloth and a mix of white vinegar and water to disinfect. Be sure to clean the humidifier according to the manufacturer's instructions, as the process may vary.