1. Introduction
Thank you for choosing the Sobo WP-50M Wave Maker Circulation Motor. This device is designed to create water movement within your aquarium, simulating natural currents and improving water circulation for a healthier aquatic environment. Please read this manual carefully before installation and operation to ensure proper use and longevity of the product.
2. Safety Instructions
- Always disconnect the power supply before performing any maintenance or installation.
- Ensure your hands are dry when handling the power plug.
- This product is designed for submersible use in aquariums only. Do not operate it dry.
- Do not use the device if the power cord or plug is damaged.
- Keep out of reach of children.
- Ensure the voltage rating of the pump matches your power supply.
3. Product Overview
The Sobo WP-50M is a compact and efficient wave maker designed for aquariums. It features a submersible design and operates with low power consumption.

Figure 1: Sobo WP-50M Wave Maker Circulation Motor. This image shows the compact design of the submersible pump, typically used for creating water flow in aquariums.
Key Features:
- Submersible design for easy placement.
- Low power consumption (3W).
- Designed for aquariums with capacities between 200 to 350 liters.
- Maximum flow rate of 1000 liters per hour.
4. Setup Instructions
- Unpack the Device: Carefully remove the Sobo WP-50M wave maker from its packaging. Inspect for any visible damage.
- Placement in Aquarium: Position the wave maker inside your aquarium. It should be fully submerged in water. The device typically attaches to the aquarium glass using suction cups or a magnetic mount (check your specific model for attachment method). Ensure it is placed in a location that allows for optimal water circulation without disturbing substrate or decorations excessively.
- Cable Management: Route the power cable safely, ensuring it does not create a tripping hazard and is not pinched. Create a drip loop to prevent water from traveling along the cord to the electrical outlet.
- Connect to Power: Once the wave maker is securely placed and fully submerged, connect the power plug to a suitable electrical outlet.
5. Operating Instructions
The Sobo WP-50M is designed for continuous operation to maintain consistent water movement. Once plugged in, the unit will begin to operate immediately.
- Initial Start-up: After connecting to power, the wave maker will start circulating water. Observe the water flow to ensure it is creating the desired current patterns in your aquarium.
- Adjusting Flow (if applicable): Some models may offer adjustable flow. Refer to the product's physical design for any levers or switches. The WP-50M model has a maximum flow of 1000 L/h.
- Continuous Use: For optimal aquarium health, the wave maker should generally run continuously. Disconnect power only for maintenance or when performing water changes.
6. Maintenance
Regular maintenance is crucial for the efficient operation and longevity of your wave maker.
- Disconnect Power: Always unplug the device from the power outlet before beginning any maintenance.
- Remove from Aquarium: Carefully remove the wave maker from the aquarium.
- Clean Impeller and Housing:
- Disassemble the front cover and impeller housing (if removable).
- Gently clean the impeller and its shaft, as well as the inside of the pump housing, using a soft brush or sponge. Remove any algae, debris, or mineral deposits.
- Rinse all components thoroughly with clean water.
- Reassemble: Carefully reassemble the wave maker, ensuring all parts are correctly fitted.
- Reinstall: Place the cleaned wave maker back into the aquarium, ensuring it is fully submerged before reconnecting to power.
Frequency: It is recommended to perform this cleaning every 2-4 weeks, depending on the cleanliness of your aquarium water and the buildup observed.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not starting or weak flow. |
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| Excessive noise. |
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| Pump stops intermittently. |
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8. Specifications
| Feature | Detail |
|---|---|
| Model | WP-50M |
| Brand | Sobo |
| Power Consumption | 3W |
| Max Flow Rate | 1000 Liters/Hour |
| Recommended Aquarium Capacity | 200-350 Liters |
| Style | Submersible |
| Material | Polypropylene (PP) |
| Power Source | Wired Electric |
| Voltage | 12 Volt (DC) |
| Part Number | 6925394810506 |
| ASIN | B076623SB4 |
9. Warranty and Support
Information regarding specific warranty terms and conditions for the Sobo WP-50M Wave Maker Circulation Motor was not provided in the product details. For warranty claims or technical support, please contact the manufacturer, Sobo, or your point of purchase directly. Keep your purchase receipt as proof of purchase.