Possibly. First, check that the tank cap is fully tightened. Next, inspect the cap’s rubber gasket for cracks or debris. If the base itself is leaking water (not condensation), the internal seal has failed—replace the unit.
: Some models allow you to add essential oils directly to the water tank to serve as a diffuser. Maintenance and Cleaning equate ultrasonic humidifier user manual
: Keep the unit at least 12 inches away from walls or furniture to prevent moisture damage and ensure proper air intake. Possibly
EQH-100, EQH-200, EQH-500, or HC-1200 (varies by year). or HC-1200 (varies by year).