The Boyu FS-120 Cooling Fan is a reliable and efficient way to maintain stable water temperatures in your aquarium, especially during Sri Lanka’s hot seasons. Sudden temperature spikes can stress fish, harm plants, and create unstable conditions for sensitive species. This compact cooling fan is suitable for tropical fish tanks, shrimp tanks, nano aquariums, and planted setups, making it an essential item for any aquarium hobbyist.
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👉 https://nanofishcorner.lk/product-category/brands/boyu/
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👉 https://www.boyuaquarium.com/
Key Features of the Boyu FS-120 Cooling Fan
- Powerful Cooling Performance – Lowers aquarium temperature by 2–4°C depending on surrounding conditions.
- Energy Efficient – Designed for low power usage while maintaining strong airflow.
- Adjustable Fan Angle – Rotate the head for accurate and targeted cooling.
- Quiet Operation – Low noise output makes it ideal for home and office aquariums.
- Easy Clip-On Installation – Securely attaches to most aquarium glass edges.
- Durable Construction – Made with high-quality materials for long-term use.
Boyu FS-120 Cooling Fan Specifications
- Model: Boyu FS-120
- Power: 15W
- Voltage: 220–240V
- Material: Plastic + metal clip
- Noise Level: Low
- Mount Type: Clip-on
Benefits of Using the Boyu FS-120 Cooling Fan
The Boyu FS-120 helps prevent temperature-related stress, protects heat-sensitive species such as shrimp and delicate plants, and reduces the risk of heat-induced diseases. Maintaining stable water temperature supports healthy fish behavior, better plant growth, and overall aquarium stability.
When to Use the Boyu FS-120 Cooling Fan
Use this cooling fan during hot weather, midday peak heat, or under high-intensity lighting. Tanks with LED or T5 lighting often experience temperature increases, making the Boyu FS-120 extremely useful.
Maintenance Tips
Clean the fan blades monthly, ensure the clip is fitted securely, avoid moisture exposure to the motor, and use the fan with a thermostat controller or timer for best results.



