SOBO WP-1120F Internal Power Filter

Compact submersible filter for small to medium aquariums, offering mechanical and biological filtration

1. Product Overview

• The SOBO WP‑1120F is an internal aquarium power filter placed inside the tank.

• Combines mechanical filtration (removes debris, uneaten food, and waste) and biological filtration (supports beneficial bacteria growth).

• Often described as a “waterfall‑type” internal filter.

2. Technical Specifications

• Power consumption: ~20 W

• Flow rate: ~900 liters/hour

• Suitable tank size: Up to ~150 liters

• Installation: Fully submersible, attaches inside aquarium via suction cups

• Filtration types: Mechanical + Biological

• Compatibility: Freshwater or saltwater aquariums

• Operation: Low-noise / quiet performance

3. Key Benefits

• All-in-one filtration: Combines mechanical and biological filtration in a compact unit.

• Easy installation: Submersible, requires no external plumbing.

• Good flow and circulation: Maintains water movement and oxygenation.

• Versatile: Works in both freshwater and saltwater aquariums.

• Compact design: Fits inside the tank without requiring extra space outside.

4. Limitations / Considerations

• Limited capacity for large or heavily stocked tanks: May not be sufficient for large aquariums or large fish alone.

• Occupies internal tank space: Can interfere with decorations or plants in smaller tanks.

• Maintenance required: Sponge/media need regular cleaning to prevent clogging.

• Flow may be strong for delicate fish or shrimp: Placement may need adjustment.

5. Ideal Use Cases

• Small to medium freshwater or saltwater tanks (~150 L or less).

• Community tanks with small or medium fish species.

• Beginner or intermediate hobbyists seeking easy, internal filtration.

• Can serve as secondary filtration for additional circulation in larger tanks.

6. Setup & Maintenance Tips

• Attach filter inside the tank with suction cups at appropriate height for proper flow.

• Clean sponge/media regularly during water changes to maintain efficiency.

• Replace sponge/media as needed, depending on fish load and water quality.

• Adjust flow direction if it is too strong for certain fish or invertebrates.

7. Summary

The SOBO WP-1120F is a budget-friendly, reliable internal filter suitable for small to medium aquariums. It provides a convenient solution for mechanical and biological filtration, water circulation, and aeration. Ideal for hobbyists who want a simple, compact filter inside the tank without external plumbing.