The official manual includes:
: Remove the tank, turn it upside down, and twist off the cap counter-clockwise. Fill with cool, fresh tap water only; warm water may cause leaks. bionaire ultrasonic humidifier bul2612 manual repack
If you need a digital copy of the original PDF manual for your records: The official manual includes: : Remove the tank,
While the is an older ultrasonic model, the "repack" process (deep cleaning and preparing for storage or reuse) follows a standard routine for Bionaire's filter-free ultrasonic humidifiers. Essential Maintenance & "Repack" Steps For ultrasonic models like the turn it upside down