Introduction
Thank you for choosing the MEGAWISE GL-6625 5.0L Cool Mist Ultrasonic Humidifier. This device is designed to improve air quality and comfort in your home by adding moisture to the air. Please read this manual thoroughly before operation to ensure safe and efficient use.
Key Features:
- 5.0L Large Capacity Tank: Provides up to 50 hours of continuous operation.
- Ultra-Fine Mist Output: Delivers 250ml/h of moisture, adjustable via a mist knob.
- Quiet Operation: Designed for low-noise humidification, suitable for bedrooms and nurseries.
- Safety-Enhanced Design: Features automatic shut-off when water is low, indicated by a red light.
- Easy Maintenance: Simple 6-step cleaning process, with two citric acid detergents included.
Important Safety Instructions
To reduce the risk of fire, electric shock, or injury, always follow these basic precautions:
- Read all instructions before using the humidifier.
- Place the humidifier on a firm, flat, water-resistant surface at least 12 inches (30 cm) away from walls and appliances.
- Do not operate the humidifier if the cord or plug is damaged.
- Always unplug the humidifier before filling, cleaning, or moving it.
- Do not add essential oils directly into the water tank; use the designated aromatherapy tray if available.
- Keep the humidifier out of reach of children and pets.
- The humidifier will automatically shut off when the water level is low, indicated by a red light.
Product Components
The MEGAWISE GL-6625 Humidifier includes the following:
- Machine body (Base and Water Tank)
- Mist Nozzle

Figure 1: Front view of the MegaWise GL-6625 Humidifier, showing the mist outlet and control knob.
Setup Instructions
Follow these steps for initial setup and refilling:
- Detach the Mist Nozzle: Carefully remove the mist nozzle from the top of the water tank.
- Turn Over the Tank: Invert the water tank and unscrew the water tank cap counterclockwise.
- Fill with Water: Add an appropriate amount of clean, cool water into the tank. Do not overfill.
- Secure the Cap: Tighten the water tank cap clockwise until secure.
- Reassemble: Place the water tank back onto the humidifier base, ensuring it is seated correctly. Place the mist nozzle back on top.
- Position: Place the humidifier on a stable, horizontal surface.

Figure 2: Visual guide for filling the water tank.
Operating Instructions
Operating your MEGAWISE humidifier is straightforward:
- Power On: Plug the power cord into a suitable electrical outlet. The indicator light will turn on.
- Adjust Mist Output: Rotate the mist knob on the front of the unit clockwise to turn on the humidifier and adjust the mist output level. Turn counter-clockwise to decrease mist or turn off.
- 360° Nozzle: The mist nozzle can be rotated 360 degrees to direct the mist in any desired direction.
Video 1: This video demonstrates the general operation and features of the MegaWise Humidifier, including mist output.
Video 2: This short video highlights the large 5L tank capacity of the humidifier.
Maintenance
Regular cleaning is essential for optimal performance and hygiene. Clean your humidifier weekly.
Cleaning Steps:
- Unplug the humidifier and empty any remaining water from the tank and base.
- Detach the mist nozzle and water tank.
- Fill the water tank with a mixture of water and a small amount of citric acid detergent (two packets are included). Let it soak for 30 minutes.
- Gently scrub the inside of the tank and the base with a soft brush or cloth to remove any mineral buildup or residue.
- Rinse all components thoroughly with clean water until all detergent residue is gone.
- Wipe all surfaces dry before reassembling or storing.
Troubleshooting
If you encounter issues with your humidifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Low water level; mineral buildup; mist nozzle blocked | Refill water tank; clean the transducer and water tank; ensure mist nozzle is clear. |
| Red indicator light is on | Water tank is empty or low | Refill the water tank. The humidifier will automatically resume operation once water is detected. |
| Unusual odor | New unit odor; dirty water; mineral buildup | Run for a few hours; replace water; clean the humidifier thoroughly. |

Figure 3: The humidifier's red light indicates low water, triggering automatic shut-off for safety.
Specifications
| Feature | Detail |
|---|---|
| Brand | MEGAWISE |
| Model Name | GL-6625 |
| Capacity | 5 Liters |
| Floor Area Coverage | Up to 322 Square Feet (20-30m²) |
| Special Feature | Quiet Operation, Auto Shut-Off |
| Product Dimensions | 3"D x 3"W x 5"H (Approximate) |
| Item Weight | 2.53 Pounds |
| Power Source | AC |
| Material Type | Plastic |

Figure 4: Dimensions of the MegaWise GL-6625 Humidifier.
Warranty and Support
MEGAWISE is committed to providing high-quality products and customer satisfaction. All MEGAWISE products are backed by a money-back guarantee.
For any questions, concerns, or support needs, please contact our customer service team. We offer 24/7 live chat support to assist you.
Visit the official MEGAWISE Store for more information: MEGAWISE Store
