Order processing time: 3–5 business days
Experience powerful, efficient, and adjustable aquarium water circulation with the Hygger Vertical Water Pump HG105, a high-performance DC submersible water pump designed for freshwater aquariums, saltwater fish tanks, reef systems, aquarium sumps, fountains, waterfalls, ponds, and hydroponic applications. Featuring an intelligent LCD controller, low-water-level intake design, energy-efficient sine wave technology, and multiple water circulation modes, the Hygger HG105 delivers reliable water movement with convenient control and quiet operation.
Available in 20W, 30W, and 35W models, the Hygger HG105 offers maximum flow rates ranging from 396 GPH to 925 GPH (1,500–3,500 L/H). Its versatile vertical or horizontal installation design, durable ceramic shaft, and safe 24V DC operation make it a practical choice for a wide range of aquatic systems.
The HG105 also features adjustable flow control from 30% to 100%, four circulation modes, a convenient 10-minute feeding pause, automatic dry-run protection, and locked-rotor protection. These features allow aquarium owners to customize water circulation while helping protect the pump from common operating problems.
Whether you're upgrading an aquarium return pump, improving water movement in a sump, operating a decorative fountain, or maintaining a hydroponic water circulation system, the Hygger HG105 offers a combination of performance, flexibility, and intelligent control.
Benefits of the Hygger Vertical Water Pump HG105
Powerful DC Water Circulation: Available in 396 GPH, 660 GPH, and 925 GPH configurations.
Three Wattage Options: Choose between 20W, 30W, and 35W models.
Safe 24V DC Operation: Low-voltage pump design with a compatible external power adapter.
Intelligent LCD Controller: Conveniently adjust operating modes and water flow.
Four Water Circulation Modes: Constant, Classic, Sine, and Random flow patterns.
10-Minute Feeding Mode: Temporarily pauses water flow during feeding.
Adjustable Flow Rate: Customize pump output from approximately 30% to 100%.
Low-Water-Level Intake Design: Special intake construction supports operation in shallow water conditions.
360-Degree Water Intake: Allows water to enter through multiple intake areas for efficient circulation.
Ultra-Quiet Sine Wave Technology: Designed to reduce operating noise and vibration.
Durable Ceramic Shaft: Provides wear resistance and dependable long-term operation.
Automatic Dry-Run Protection: Helps protect the pump when insufficient water is detected.
Locked-Rotor Protection: Automatically responds when the impeller becomes obstructed.
Vertical or Horizontal Installation: Flexible mounting options for different aquarium layouts.
Freshwater and Saltwater Compatible: Suitable for aquarium, pond, fountain, and hydroponic applications.
Three Available Hygger HG105 Pump Models
The Hygger Vertical Water Pump HG105 is available in three models designed for different circulation requirements.
HG105-1500 – 20W / 396 GPH
The HG105-1500 is the smallest model in the series.
It provides efficient water circulation for compatible freshwater and saltwater aquariums.
Specifications:
Model: HG105-1500
Power Consumption: 20W
Maximum Flow Rate: 396 GPH
Metric Flow Rate: 1,500 L/H
Maximum Head Height: 6.6 ft / 2 m
Pump Dimensions: Approximately 5.23 × 2.32 × 2.32 inches
Metric Dimensions: Approximately 13.3 × 6 × 6 cm
Manufacturer-Suggested Aquarium Size: 40–50 gallons
Output Voltage: DC 24V
The 20W model is suitable for compatible medium-sized aquariums, compact sump systems, fountains, and other applications requiring moderate water circulation.
HG105-2500 – 30W / 660 GPH
The HG105-2500 provides increased flow and lifting capacity for larger aquarium systems.
Specifications:
Model: HG105-2500
Power Consumption: 30W
Maximum Flow Rate: 660 GPH
Metric Flow Rate: 2,500 L/H
Maximum Head Height: 9.8 ft / 3 m
Pump Dimensions: Approximately 5.51 × 2.75 × 2.75 inches
Metric Dimensions: Approximately 14 × 7 × 7 cm
Manufacturer-Suggested Aquarium Size: 66–83 gallons
Output Voltage: DC 24V
The 30W model is a practical choice for compatible aquarium return systems, sump circulation, fountains, and water features.
HG105-3500 – 35W / 925 GPH
The HG105-3500 is the most powerful model in the series.
It provides increased circulation and maximum head height for larger aquatic installations.
Specifications:
Model: HG105-3500
Power Consumption: 35W
Maximum Flow Rate: 925 GPH
Metric Flow Rate: 3,500 L/H
Maximum Head Height: 11.5 ft / 3.5 m
Pump Dimensions: Approximately 6.49 × 3.14 × 3.14 inches
Metric Dimensions: Approximately 16.5 × 8 × 8 cm
Manufacturer-Suggested Aquarium Size: 90–115 gallons
Output Voltage: DC 24V
The 35W model is designed for applications requiring higher flow capacity and greater water-lifting performance.
Important: Maximum flow rates are measured under favorable operating conditions. Actual flow decreases as lifting height, plumbing resistance, elbows, and other restrictions increase. Maximum head height does not mean the pump will deliver its rated maximum flow at that height.
Intelligent External LCD Controller
The Hygger HG105 features an external LCD controller designed to provide convenient control over pump performance.
Instead of relying on a fixed water flow, aquarium owners can select different circulation modes and adjust output according to their aquarium's requirements.
Easy-to-Read Digital Display
The controller provides visual feedback about the selected operating mode and pump settings.
Convenient External Operation
The controller allows users to make adjustments without placing their hands inside the aquarium.
Adjustable Pump Speed
In constant-flow mode, the pump output can be adjusted between approximately 30% and 100%.
This allows users to select gentler circulation or stronger water movement.
Mode Selection
The controller includes controls for switching between different water circulation patterns.
Feeding Function
The controller also provides a convenient feeding pause that temporarily stops water movement.
Important: The external controller and power adapter must remain dry and must not be submerged.
Four Intelligent Water Circulation Modes
The HG105 features four water circulation modes designed to provide different water movement patterns.
These modes allow aquarium owners to customize circulation for the aquarium layout, livestock, and intended application.
Mode 1: Constant Flow Mode
Constant Flow Mode provides a steady water output.
This mode is useful when consistent circulation is required.
Ideal applications include:
In this mode, users can adjust the pump's output from approximately 30% to 100%.
Mode 2: Classic Wave Mode
Classic Wave Mode creates a changing water movement pattern.
This helps produce more variation than a constant-flow setting.
Potential applications include:
Freshwater aquarium circulation
Marine aquarium water movement
Decorative water features
Systems benefiting from variable flow
Mode 3: Sine Wave Mode
Sine Wave Mode provides a smoother changing flow pattern.
The pump gradually varies its output to create a more natural-feeling water movement cycle.
Benefits include:
Smooth flow transitions
Variable water circulation
Reduced abrupt changes in water movement
Flexible operation for compatible aquatic systems
Mode 4: Random Wave Mode
Random Wave Mode varies water movement to create less predictable circulation.
This can help provide a changing flow pattern within the aquarium.
Potential benefits include:
More varied water movement
Reduced reliance on a single flow pattern
Improved circulation flexibility
Additional movement around aquarium decorations
The most appropriate mode depends on the aquarium's plumbing, livestock, and circulation requirements.
Convenient 10-Minute Feeding Mode
The Hygger HG105 includes a feeding function that temporarily pauses pump operation.
When activated, the pump stops for approximately 10 minutes.
After the feeding period, the pump automatically resumes operation.
Benefits of Feeding Mode
Reduces water movement during feeding
Helps prevent food from immediately entering overflow systems
Allows fish additional time to capture food
Simplifies routine aquarium feeding
Automatically restores circulation after the pause
Ideal for Aquarium Return Pumps
In sump-based systems, pausing the return pump can help keep floating food in the display aquarium during feeding.
Important Feeding Considerations
Some aquariums require continuous circulation for oxygenation or filtration.
Use the feeding function only when a temporary pause is appropriate for the system.
Low-Water-Level Pump Design
One of the standout features of the Hygger HG105 is its low-water-level intake system.
The pump features a specialized intake design that allows it to draw water from relatively shallow areas.
360-Degree Water Intake
The intake system allows water to enter from multiple directions.
This supports efficient water collection and circulation.
Useful for Shallow Water Applications
The low-water-level design can be beneficial for:
Flexible Pump Positioning
The HG105 can be installed vertically or horizontally, depending on available space and the required water outlet direction.
Important: Low-water-level capability does not mean the pump can operate without water. The pump must remain adequately submerged and properly primed during operation.
Ultra-Quiet Sine Wave Technology
The HG105 uses sine wave motor technology designed to provide smooth and efficient pump operation.
This technology helps reduce vibration and operating noise compared with less refined motor control systems.
Quiet Aquarium Operation
The HG105 is suitable for aquariums installed in living rooms, bedrooms, offices, and other environments where excessive equipment noise may be undesirable.
Smooth Water Movement
The motor control system supports consistent pump operation across different flow settings.
Energy-Efficient Performance
The DC motor design provides substantial water circulation while maintaining relatively low power consumption.
Noise Reduction Tips
For the quietest possible operation:
Install the pump securely.
Avoid contact with loose aquarium decorations.
Keep the impeller clean.
Prevent air from entering the intake.
Use the supplied rubber mounting components.
Avoid placing the pump directly against surfaces that amplify vibration.
Actual noise depends on installation, plumbing, flow settings, and maintenance.
Durable Ceramic Shaft Construction
The Hygger HG105 features a durable ceramic shaft designed for reliable operation in aquatic environments.
Ceramic shafts are commonly used in aquarium pumps because they provide wear resistance and corrosion resistance.
Benefits of Ceramic Components
Durable construction
Reduced friction during operation
Suitable for freshwater and saltwater use
Long-term reliability with proper maintenance
Smooth impeller movement
Magnetic Drive System
The HG105 uses a magnetic drive motor design.
This provides efficient water movement without requiring a traditional shaft seal arrangement associated with some other pump types.
Regular cleaning is still necessary to maintain reliable performance.
Automatic Dry-Run Protection
The HG105 includes electronic protection designed to detect insufficient water conditions.
If the pump operates without adequate water, the protection system can stop the motor to reduce the risk of damage.
Why Dry-Run Protection Matters
Operating a water pump without sufficient water can cause overheating, friction, and premature component wear.
Dry-run protection helps reduce these risks.
Common Causes of Low-Water Conditions
Aquarium sump water-level changes
Reservoir evaporation
Blocked intake
Incorrect pump installation
Accidental drainage
Water supply interruptions
Important Safety Note
Dry-run protection is a backup safety feature.
It does not make continuous dry operation safe.
Always maintain sufficient water around the pump.
Locked-Rotor Protection
The Hygger HG105 also includes electronic protection against a blocked or locked impeller.
If debris prevents the rotor from operating normally, the pump can enter a protective shutdown state.
Common Causes of Rotor Blockage
What to Do if the Pump Stops
Disconnect the power supply.
Remove the pump from the water.
Inspect the intake and impeller chamber.
Remove trapped debris.
Clean the rotor and surrounding components.
Reassemble the pump.
Reinstall and fully submerge the unit.
Restore electrical power.
Do not force the impeller or operate the pump with damaged internal components.
Vertical and Horizontal Installation
The HG105 is designed for flexible installation in different aquarium layouts.
Vertical Installation
The pump can be positioned upright in compatible aquarium or sump compartments.
This is useful where floor space is limited.
Horizontal Installation
The pump can also be positioned horizontally where the layout requires a lower profile.
Secure Mounting
The pump includes suction and rubber mounting components designed to help keep it stable.
Flexible Plumbing Connections
The included outlet fittings allow connection to compatible flexible tubing or rigid plumbing.
Always confirm the correct fitting size for the selected model before installation.
Suitable for Freshwater and Saltwater Aquariums
The Hygger HG105 is designed for use in both freshwater and marine aquarium systems.
Freshwater Aquariums
Suitable for compatible:
Tropical community aquariums
Planted aquariums
Cichlid tanks
Large freshwater aquariums
Aquarium sump systems
Freshwater filtration setups
Saltwater Aquariums
The HG105 can be used in compatible marine aquariums and reef systems.
Its ceramic shaft and corrosion-resistant components make it suitable for saltwater applications.
Reef Aquarium Return Systems
The pump may be used to return filtered water from a sump to a display aquarium.
Choose the appropriate model based on required flow after accounting for head height and plumbing resistance.
Aquarium Sump Return Pump Applications
The Hygger HG105 is a practical choice for compatible aquarium sump systems.
A return pump moves water from the sump back into the main aquarium.
Benefits for Sump Systems
Selecting a Return Pump
When choosing the HG105 for a sump, consider:
Do not size a return pump based solely on its maximum advertised flow rate.
Fountain, Waterfall, and Pond Applications
The Hygger HG105 can also be used for compatible decorative water features.
Aquarium Fountains
The adjustable flow allows users to customize fountain water movement.
Small Waterfalls
The HG105 can provide water circulation for suitable small waterfall systems.
Ornamental Ponds
The pump may be used in compatible pond installations where its flow, head height, and operating limits meet the system requirements.
Decorative Water Features
Its compact design makes it useful for concealed installations.
Important: The pump should not be used in water temperatures above 95°F (35°C), and the maximum specified submersion depth is approximately 4.9 feet (1.5 meters).
Hydroponic Water Circulation
The HG105 is also suitable for compatible hydroponic applications.
Hydroponic systems often require controlled water circulation to deliver nutrient solution throughout the growing system.
Potential Applications
Benefits for Hydroponics
Always verify that the pump materials are compatible with the nutrient solution and intended operating environment.
Suitable Aquarium Applications
The Hygger Vertical Water Pump HG105 is suitable for:
Freshwater aquariums
Saltwater fish tanks
Reef aquariums
Aquarium sump systems
Aquarium return pump installations
Freshwater filtration systems
Marine filtration systems
Aquarium water circulation
Water transfer systems
Decorative fountains
Small waterfalls
Compatible ornamental ponds
Hydroponic reservoirs
Indoor water features
Aquarium equipment upgrades
Aquatic systems requiring adjustable DC flow
Installation and Usage Guidelines
Choose the correct model: Select the 20W, 30W, or 35W pump according to required flow and head height.
Inspect the equipment: Check the pump housing, impeller, power adapter, controller, and electrical cords.
Select the appropriate nozzle: Choose a fitting compatible with the intended hose or pipe.
Install the outlet fitting: Secure the nozzle and screw cap as directed in the manual.
Choose the mounting position: Install the pump vertically or horizontally.
Secure the pump: Use the supplied mounting components to reduce movement and vibration.
Connect the plumbing: Attach compatible tubing or pipe to the pump outlet.
Submerge the pump: Ensure the pump is properly positioned underwater.
Remove trapped air: Allow the pump chamber to fill with water before operation.
Mount the external controller: Position the controller outside the aquarium in a dry location.
Connect the power adapter: Use the supplied compatible DC power supply.
Connect electrical power: Plug the adapter into an appropriate protected outlet.
Select the operating mode: Choose the desired circulation setting.
Adjust the flow: Set the output according to the aquarium's needs.
Check water movement: Confirm that the pump is circulating water normally.
Inspect for leaks: Check tubing and pipe connections.
Monitor performance: Observe water circulation and pump noise during initial operation.
Maintenance and Cleaning Guidelines
Regular cleaning helps maintain water flow and extend pump service life.
Disconnect Power Before Maintenance
Always unplug the pump before removing it from the water.
Remove the Intake Cover
Carefully remove the intake housing according to the manufacturer's instructions.
Inspect the Impeller
Check the impeller for trapped debris, mineral deposits, or damage.
Clean the Ceramic Shaft
Remove buildup carefully without using abrasive materials.
Rinse the Pump Housing
Use clean water and a soft brush to remove debris from accessible areas.
Clean the Intake Openings
Remove algae, plant matter, and other material that may restrict water flow.
Reassemble Carefully
Ensure all components are correctly positioned.
Reinstall and Prime
Submerge the pump fully and allow trapped air to escape before restoring power.
Avoid Harsh Chemicals
Do not use detergents or cleaning chemicals that may leave harmful residues in aquarium equipment.
Troubleshooting Guide
Pump Does Not Start
Check the electrical connection.
Confirm that the power adapter and controller are connected correctly.
Inspect the display for error messages.
Pump Has Weak Water Flow
Check for blocked intake openings.
Inspect the impeller.
Reduce unnecessary plumbing restrictions.
Verify the selected flow setting.
Pump Is Making Excessive Noise
Check for trapped air.
Clean the impeller chamber.
Ensure the pump is mounted securely.
Inspect for contact with hard surfaces.
Pump Stops Unexpectedly
Check for dry-run or locked-rotor protection.
Disconnect power and inspect the pump.
Pump Does Not Restart After Protection
Remove the cause of the fault.
Unplug the power supply and reconnect it after checking the pump.
Water Does Not Reach the Desired Height
Confirm that the required lifting height is within the selected model's maximum head specification.
Account for plumbing resistance and reduced flow at higher elevations.
Controller Is Not Responding
Check all controller and adapter connections.
Disconnect power and inspect for visible damage.
Do not immerse the controller in water.
Important Safety Guidelines
Use only the compatible power adapter supplied or approved by Hygger.
Keep the controller and power adapter dry.
Do not immerse electrical plugs.
Disconnect power before maintenance.
Do not operate the pump without sufficient water.
Do not use the pump with flammable, explosive, or corrosive liquids.
Do not use in water temperatures above 95°F / 35°C.
Do not exceed the maximum specified submersion depth of 4.9 feet / 1.5 meters.
Keep the intake free of gravel and debris.
Avoid running the pump with a blocked impeller.
Use a GFCI/RCD-protected electrical circuit where appropriate.
Create drip loops in electrical cords.
Keep the pump away from children.
Do not attempt to repair damaged electrical components.
Follow the manufacturer's operating instructions.
Product Specifications
Brand: Hygger
Product Name: Vertical Water Pump
Official Product Name: DC Frequency Water Pump
Model: HG105
Available Models: HG105-1500, HG105-2500, and HG105-3500
Product Type: Submersible DC Aquarium Water Pump
Available Wattages: 20W, 30W, and 35W
Maximum Flow Rates: 396 GPH, 660 GPH, and 925 GPH
Metric Flow Rates: 1,500 L/H, 2,500 L/H, and 3,500 L/H
Maximum Head Heights: 6.6 ft, 9.8 ft, and 11.5 ft
Metric Maximum Head Heights: 2 m, 3 m, and 3.5 m
Pump Operating Voltage: DC 24V
Power Supply: External AC-to-DC Adapter
Regional AC Input: 110–120V / 60Hz or 220–240V / 50Hz, Depending on Adapter
Controller Type: External LCD Digital Controller
Circulation Modes: Constant, Classic, Sine, and Random
Feeding Mode: 10-Minute Pause
Adjustable Flow Range: Approximately 30%–100%
Motor Technology: DC Sine Wave
Drive System: Magnetic Drive
Shaft Material: Ceramic
Pump Housing Material: Plastic
Low-Water-Level Intake: Yes
360-Degree Water Intake: Yes
Dry-Run Protection: Yes
Locked-Rotor Protection: Yes
Installation Orientation: Vertical or Horizontal
Maximum Water Temperature: 95°F / 35°C
Maximum Submersion Depth: 4.9 ft / 1.5 m
Power Cord Length: Approximately 13.4 ft / 4.1 m
20W Pump Dimensions: 5.23 × 2.32 × 2.32 inches / 13.3 × 6 × 6 cm
30W Pump Dimensions: 5.51 × 2.75 × 2.75 inches / 14 × 7 × 7 cm
35W Pump Dimensions: 6.49 × 3.14 × 3.14 inches / 16.5 × 8 × 8 cm
Water Compatibility: Freshwater and Saltwater
Primary Applications: Aquarium Return Pump, Sump Circulation, Fountains, Waterfalls, Ponds, and Hydroponics
Specifications are based on Hygger's published HG105 product information and user manual. Flow rates and head heights are maximum manufacturer ratings. Actual performance varies according to plumbing configuration, lift height, flow settings, and operating conditions.
Package Includes
The included outlet fittings vary according to the selected HG105 model.
HG105-1500 – 20W / 396 GPH
1 × Hygger HG105-1500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 5/8-inch Outlet Nozzle
1 × 3/4-inch Outlet Nozzle
1 × G 3/4-inch Screw Cap
1 × Rubber Pad
1 × User Manual
HG105-2500 – 30W / 660 GPH
1 × Hygger HG105-2500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 3/4-inch Outlet Nozzle
1 × 1-inch Outlet Nozzle
1 × 3/4-inch Straight Nozzle
1 × G 1-1/8-inch Screw Cap
1 × Rubber Pad
1 × User Manual
HG105-3500 – 35W / 925 GPH
1 × Hygger HG105-3500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 1-inch Outlet Nozzle
1 × 1-1/4-inch Outlet Nozzle
1 × 1-inch Straight Nozzle
1 × G 1-3/8-inch Screw Cap
1 × Rubber Pad
1 × User Manual
Powerful, Quiet, and Intelligent Aquarium Water Circulation
The Hygger Vertical Water Pump HG105 is an excellent choice for aquarium owners who need reliable water circulation, adjustable flow control, and versatile installation options.
With three available models delivering up to 925 GPH, a convenient external LCD controller, four circulation modes, and a 10-minute feeding function, the HG105 provides flexible performance for freshwater and saltwater aquarium systems.
Its low-water-level intake design, durable ceramic shaft, quiet sine wave technology, and automatic dry-run and locked-rotor protection add convenience and durability for everyday operation.
Whether you're upgrading an aquarium sump return pump, improving water movement in a freshwater aquarium, maintaining a marine system, or operating a fountain or hydroponic reservoir, the Hygger HG105 delivers efficient and customizable water circulation.
Order the Hygger Vertical Water Pump HG105 today and enjoy powerful, quiet, and intelligent water movement for your aquarium or aquatic system.
Order processing time: 3–5 business days
Experience powerful, efficient, and adjustable aquarium water circulation with the Hygger Vertical Water Pump HG105, a high-performance DC submersible water pump designed for freshwater aquariums, saltwater fish tanks, reef systems, aquarium sumps, fountains, waterfalls, ponds, and hydroponic applications. Featuring an intelligent LCD controller, low-water-level intake design, energy-efficient sine wave technology, and multiple water circulation modes, the Hygger HG105 delivers reliable water movement with convenient control and quiet operation.
Available in 20W, 30W, and 35W models, the Hygger HG105 offers maximum flow rates ranging from 396 GPH to 925 GPH (1,500–3,500 L/H). Its versatile vertical or horizontal installation design, durable ceramic shaft, and safe 24V DC operation make it a practical choice for a wide range of aquatic systems.
The HG105 also features adjustable flow control from 30% to 100%, four circulation modes, a convenient 10-minute feeding pause, automatic dry-run protection, and locked-rotor protection. These features allow aquarium owners to customize water circulation while helping protect the pump from common operating problems.
Whether you're upgrading an aquarium return pump, improving water movement in a sump, operating a decorative fountain, or maintaining a hydroponic water circulation system, the Hygger HG105 offers a combination of performance, flexibility, and intelligent control.
Benefits of the Hygger Vertical Water Pump HG105
Powerful DC Water Circulation: Available in 396 GPH, 660 GPH, and 925 GPH configurations.
Three Wattage Options: Choose between 20W, 30W, and 35W models.
Safe 24V DC Operation: Low-voltage pump design with a compatible external power adapter.
Intelligent LCD Controller: Conveniently adjust operating modes and water flow.
Four Water Circulation Modes: Constant, Classic, Sine, and Random flow patterns.
10-Minute Feeding Mode: Temporarily pauses water flow during feeding.
Adjustable Flow Rate: Customize pump output from approximately 30% to 100%.
Low-Water-Level Intake Design: Special intake construction supports operation in shallow water conditions.
360-Degree Water Intake: Allows water to enter through multiple intake areas for efficient circulation.
Ultra-Quiet Sine Wave Technology: Designed to reduce operating noise and vibration.
Durable Ceramic Shaft: Provides wear resistance and dependable long-term operation.
Automatic Dry-Run Protection: Helps protect the pump when insufficient water is detected.
Locked-Rotor Protection: Automatically responds when the impeller becomes obstructed.
Vertical or Horizontal Installation: Flexible mounting options for different aquarium layouts.
Freshwater and Saltwater Compatible: Suitable for aquarium, pond, fountain, and hydroponic applications.
Three Available Hygger HG105 Pump Models
The Hygger Vertical Water Pump HG105 is available in three models designed for different circulation requirements.
HG105-1500 – 20W / 396 GPH
The HG105-1500 is the smallest model in the series.
It provides efficient water circulation for compatible freshwater and saltwater aquariums.
Specifications:
Model: HG105-1500
Power Consumption: 20W
Maximum Flow Rate: 396 GPH
Metric Flow Rate: 1,500 L/H
Maximum Head Height: 6.6 ft / 2 m
Pump Dimensions: Approximately 5.23 × 2.32 × 2.32 inches
Metric Dimensions: Approximately 13.3 × 6 × 6 cm
Manufacturer-Suggested Aquarium Size: 40–50 gallons
Output Voltage: DC 24V
The 20W model is suitable for compatible medium-sized aquariums, compact sump systems, fountains, and other applications requiring moderate water circulation.
HG105-2500 – 30W / 660 GPH
The HG105-2500 provides increased flow and lifting capacity for larger aquarium systems.
Specifications:
Model: HG105-2500
Power Consumption: 30W
Maximum Flow Rate: 660 GPH
Metric Flow Rate: 2,500 L/H
Maximum Head Height: 9.8 ft / 3 m
Pump Dimensions: Approximately 5.51 × 2.75 × 2.75 inches
Metric Dimensions: Approximately 14 × 7 × 7 cm
Manufacturer-Suggested Aquarium Size: 66–83 gallons
Output Voltage: DC 24V
The 30W model is a practical choice for compatible aquarium return systems, sump circulation, fountains, and water features.
HG105-3500 – 35W / 925 GPH
The HG105-3500 is the most powerful model in the series.
It provides increased circulation and maximum head height for larger aquatic installations.
Specifications:
Model: HG105-3500
Power Consumption: 35W
Maximum Flow Rate: 925 GPH
Metric Flow Rate: 3,500 L/H
Maximum Head Height: 11.5 ft / 3.5 m
Pump Dimensions: Approximately 6.49 × 3.14 × 3.14 inches
Metric Dimensions: Approximately 16.5 × 8 × 8 cm
Manufacturer-Suggested Aquarium Size: 90–115 gallons
Output Voltage: DC 24V
The 35W model is designed for applications requiring higher flow capacity and greater water-lifting performance.
Important: Maximum flow rates are measured under favorable operating conditions. Actual flow decreases as lifting height, plumbing resistance, elbows, and other restrictions increase. Maximum head height does not mean the pump will deliver its rated maximum flow at that height.
Intelligent External LCD Controller
The Hygger HG105 features an external LCD controller designed to provide convenient control over pump performance.
Instead of relying on a fixed water flow, aquarium owners can select different circulation modes and adjust output according to their aquarium's requirements.
Easy-to-Read Digital Display
The controller provides visual feedback about the selected operating mode and pump settings.
Convenient External Operation
The controller allows users to make adjustments without placing their hands inside the aquarium.
Adjustable Pump Speed
In constant-flow mode, the pump output can be adjusted between approximately 30% and 100%.
This allows users to select gentler circulation or stronger water movement.
Mode Selection
The controller includes controls for switching between different water circulation patterns.
Feeding Function
The controller also provides a convenient feeding pause that temporarily stops water movement.
Important: The external controller and power adapter must remain dry and must not be submerged.
Four Intelligent Water Circulation Modes
The HG105 features four water circulation modes designed to provide different water movement patterns.
These modes allow aquarium owners to customize circulation for the aquarium layout, livestock, and intended application.
Mode 1: Constant Flow Mode
Constant Flow Mode provides a steady water output.
This mode is useful when consistent circulation is required.
Ideal applications include:
In this mode, users can adjust the pump's output from approximately 30% to 100%.
Mode 2: Classic Wave Mode
Classic Wave Mode creates a changing water movement pattern.
This helps produce more variation than a constant-flow setting.
Potential applications include:
Freshwater aquarium circulation
Marine aquarium water movement
Decorative water features
Systems benefiting from variable flow
Mode 3: Sine Wave Mode
Sine Wave Mode provides a smoother changing flow pattern.
The pump gradually varies its output to create a more natural-feeling water movement cycle.
Benefits include:
Smooth flow transitions
Variable water circulation
Reduced abrupt changes in water movement
Flexible operation for compatible aquatic systems
Mode 4: Random Wave Mode
Random Wave Mode varies water movement to create less predictable circulation.
This can help provide a changing flow pattern within the aquarium.
Potential benefits include:
More varied water movement
Reduced reliance on a single flow pattern
Improved circulation flexibility
Additional movement around aquarium decorations
The most appropriate mode depends on the aquarium's plumbing, livestock, and circulation requirements.
Convenient 10-Minute Feeding Mode
The Hygger HG105 includes a feeding function that temporarily pauses pump operation.
When activated, the pump stops for approximately 10 minutes.
After the feeding period, the pump automatically resumes operation.
Benefits of Feeding Mode
Reduces water movement during feeding
Helps prevent food from immediately entering overflow systems
Allows fish additional time to capture food
Simplifies routine aquarium feeding
Automatically restores circulation after the pause
Ideal for Aquarium Return Pumps
In sump-based systems, pausing the return pump can help keep floating food in the display aquarium during feeding.
Important Feeding Considerations
Some aquariums require continuous circulation for oxygenation or filtration.
Use the feeding function only when a temporary pause is appropriate for the system.
Low-Water-Level Pump Design
One of the standout features of the Hygger HG105 is its low-water-level intake system.
The pump features a specialized intake design that allows it to draw water from relatively shallow areas.
360-Degree Water Intake
The intake system allows water to enter from multiple directions.
This supports efficient water collection and circulation.
Useful for Shallow Water Applications
The low-water-level design can be beneficial for:
Flexible Pump Positioning
The HG105 can be installed vertically or horizontally, depending on available space and the required water outlet direction.
Important: Low-water-level capability does not mean the pump can operate without water. The pump must remain adequately submerged and properly primed during operation.
Ultra-Quiet Sine Wave Technology
The HG105 uses sine wave motor technology designed to provide smooth and efficient pump operation.
This technology helps reduce vibration and operating noise compared with less refined motor control systems.
Quiet Aquarium Operation
The HG105 is suitable for aquariums installed in living rooms, bedrooms, offices, and other environments where excessive equipment noise may be undesirable.
Smooth Water Movement
The motor control system supports consistent pump operation across different flow settings.
Energy-Efficient Performance
The DC motor design provides substantial water circulation while maintaining relatively low power consumption.
Noise Reduction Tips
For the quietest possible operation:
Install the pump securely.
Avoid contact with loose aquarium decorations.
Keep the impeller clean.
Prevent air from entering the intake.
Use the supplied rubber mounting components.
Avoid placing the pump directly against surfaces that amplify vibration.
Actual noise depends on installation, plumbing, flow settings, and maintenance.
Durable Ceramic Shaft Construction
The Hygger HG105 features a durable ceramic shaft designed for reliable operation in aquatic environments.
Ceramic shafts are commonly used in aquarium pumps because they provide wear resistance and corrosion resistance.
Benefits of Ceramic Components
Durable construction
Reduced friction during operation
Suitable for freshwater and saltwater use
Long-term reliability with proper maintenance
Smooth impeller movement
Magnetic Drive System
The HG105 uses a magnetic drive motor design.
This provides efficient water movement without requiring a traditional shaft seal arrangement associated with some other pump types.
Regular cleaning is still necessary to maintain reliable performance.
Automatic Dry-Run Protection
The HG105 includes electronic protection designed to detect insufficient water conditions.
If the pump operates without adequate water, the protection system can stop the motor to reduce the risk of damage.
Why Dry-Run Protection Matters
Operating a water pump without sufficient water can cause overheating, friction, and premature component wear.
Dry-run protection helps reduce these risks.
Common Causes of Low-Water Conditions
Aquarium sump water-level changes
Reservoir evaporation
Blocked intake
Incorrect pump installation
Accidental drainage
Water supply interruptions
Important Safety Note
Dry-run protection is a backup safety feature.
It does not make continuous dry operation safe.
Always maintain sufficient water around the pump.
Locked-Rotor Protection
The Hygger HG105 also includes electronic protection against a blocked or locked impeller.
If debris prevents the rotor from operating normally, the pump can enter a protective shutdown state.
Common Causes of Rotor Blockage
What to Do if the Pump Stops
Disconnect the power supply.
Remove the pump from the water.
Inspect the intake and impeller chamber.
Remove trapped debris.
Clean the rotor and surrounding components.
Reassemble the pump.
Reinstall and fully submerge the unit.
Restore electrical power.
Do not force the impeller or operate the pump with damaged internal components.
Vertical and Horizontal Installation
The HG105 is designed for flexible installation in different aquarium layouts.
Vertical Installation
The pump can be positioned upright in compatible aquarium or sump compartments.
This is useful where floor space is limited.
Horizontal Installation
The pump can also be positioned horizontally where the layout requires a lower profile.
Secure Mounting
The pump includes suction and rubber mounting components designed to help keep it stable.
Flexible Plumbing Connections
The included outlet fittings allow connection to compatible flexible tubing or rigid plumbing.
Always confirm the correct fitting size for the selected model before installation.
Suitable for Freshwater and Saltwater Aquariums
The Hygger HG105 is designed for use in both freshwater and marine aquarium systems.
Freshwater Aquariums
Suitable for compatible:
Tropical community aquariums
Planted aquariums
Cichlid tanks
Large freshwater aquariums
Aquarium sump systems
Freshwater filtration setups
Saltwater Aquariums
The HG105 can be used in compatible marine aquariums and reef systems.
Its ceramic shaft and corrosion-resistant components make it suitable for saltwater applications.
Reef Aquarium Return Systems
The pump may be used to return filtered water from a sump to a display aquarium.
Choose the appropriate model based on required flow after accounting for head height and plumbing resistance.
Aquarium Sump Return Pump Applications
The Hygger HG105 is a practical choice for compatible aquarium sump systems.
A return pump moves water from the sump back into the main aquarium.
Benefits for Sump Systems
Selecting a Return Pump
When choosing the HG105 for a sump, consider:
Do not size a return pump based solely on its maximum advertised flow rate.
Fountain, Waterfall, and Pond Applications
The Hygger HG105 can also be used for compatible decorative water features.
Aquarium Fountains
The adjustable flow allows users to customize fountain water movement.
Small Waterfalls
The HG105 can provide water circulation for suitable small waterfall systems.
Ornamental Ponds
The pump may be used in compatible pond installations where its flow, head height, and operating limits meet the system requirements.
Decorative Water Features
Its compact design makes it useful for concealed installations.
Important: The pump should not be used in water temperatures above 95°F (35°C), and the maximum specified submersion depth is approximately 4.9 feet (1.5 meters).
Hydroponic Water Circulation
The HG105 is also suitable for compatible hydroponic applications.
Hydroponic systems often require controlled water circulation to deliver nutrient solution throughout the growing system.
Potential Applications
Benefits for Hydroponics
Always verify that the pump materials are compatible with the nutrient solution and intended operating environment.
Suitable Aquarium Applications
The Hygger Vertical Water Pump HG105 is suitable for:
Freshwater aquariums
Saltwater fish tanks
Reef aquariums
Aquarium sump systems
Aquarium return pump installations
Freshwater filtration systems
Marine filtration systems
Aquarium water circulation
Water transfer systems
Decorative fountains
Small waterfalls
Compatible ornamental ponds
Hydroponic reservoirs
Indoor water features
Aquarium equipment upgrades
Aquatic systems requiring adjustable DC flow
Installation and Usage Guidelines
Choose the correct model: Select the 20W, 30W, or 35W pump according to required flow and head height.
Inspect the equipment: Check the pump housing, impeller, power adapter, controller, and electrical cords.
Select the appropriate nozzle: Choose a fitting compatible with the intended hose or pipe.
Install the outlet fitting: Secure the nozzle and screw cap as directed in the manual.
Choose the mounting position: Install the pump vertically or horizontally.
Secure the pump: Use the supplied mounting components to reduce movement and vibration.
Connect the plumbing: Attach compatible tubing or pipe to the pump outlet.
Submerge the pump: Ensure the pump is properly positioned underwater.
Remove trapped air: Allow the pump chamber to fill with water before operation.
Mount the external controller: Position the controller outside the aquarium in a dry location.
Connect the power adapter: Use the supplied compatible DC power supply.
Connect electrical power: Plug the adapter into an appropriate protected outlet.
Select the operating mode: Choose the desired circulation setting.
Adjust the flow: Set the output according to the aquarium's needs.
Check water movement: Confirm that the pump is circulating water normally.
Inspect for leaks: Check tubing and pipe connections.
Monitor performance: Observe water circulation and pump noise during initial operation.
Maintenance and Cleaning Guidelines
Regular cleaning helps maintain water flow and extend pump service life.
Disconnect Power Before Maintenance
Always unplug the pump before removing it from the water.
Remove the Intake Cover
Carefully remove the intake housing according to the manufacturer's instructions.
Inspect the Impeller
Check the impeller for trapped debris, mineral deposits, or damage.
Clean the Ceramic Shaft
Remove buildup carefully without using abrasive materials.
Rinse the Pump Housing
Use clean water and a soft brush to remove debris from accessible areas.
Clean the Intake Openings
Remove algae, plant matter, and other material that may restrict water flow.
Reassemble Carefully
Ensure all components are correctly positioned.
Reinstall and Prime
Submerge the pump fully and allow trapped air to escape before restoring power.
Avoid Harsh Chemicals
Do not use detergents or cleaning chemicals that may leave harmful residues in aquarium equipment.
Troubleshooting Guide
Pump Does Not Start
Check the electrical connection.
Confirm that the power adapter and controller are connected correctly.
Inspect the display for error messages.
Pump Has Weak Water Flow
Check for blocked intake openings.
Inspect the impeller.
Reduce unnecessary plumbing restrictions.
Verify the selected flow setting.
Pump Is Making Excessive Noise
Check for trapped air.
Clean the impeller chamber.
Ensure the pump is mounted securely.
Inspect for contact with hard surfaces.
Pump Stops Unexpectedly
Check for dry-run or locked-rotor protection.
Disconnect power and inspect the pump.
Pump Does Not Restart After Protection
Remove the cause of the fault.
Unplug the power supply and reconnect it after checking the pump.
Water Does Not Reach the Desired Height
Confirm that the required lifting height is within the selected model's maximum head specification.
Account for plumbing resistance and reduced flow at higher elevations.
Controller Is Not Responding
Check all controller and adapter connections.
Disconnect power and inspect for visible damage.
Do not immerse the controller in water.
Important Safety Guidelines
Use only the compatible power adapter supplied or approved by Hygger.
Keep the controller and power adapter dry.
Do not immerse electrical plugs.
Disconnect power before maintenance.
Do not operate the pump without sufficient water.
Do not use the pump with flammable, explosive, or corrosive liquids.
Do not use in water temperatures above 95°F / 35°C.
Do not exceed the maximum specified submersion depth of 4.9 feet / 1.5 meters.
Keep the intake free of gravel and debris.
Avoid running the pump with a blocked impeller.
Use a GFCI/RCD-protected electrical circuit where appropriate.
Create drip loops in electrical cords.
Keep the pump away from children.
Do not attempt to repair damaged electrical components.
Follow the manufacturer's operating instructions.
Product Specifications
Brand: Hygger
Product Name: Vertical Water Pump
Official Product Name: DC Frequency Water Pump
Model: HG105
Available Models: HG105-1500, HG105-2500, and HG105-3500
Product Type: Submersible DC Aquarium Water Pump
Available Wattages: 20W, 30W, and 35W
Maximum Flow Rates: 396 GPH, 660 GPH, and 925 GPH
Metric Flow Rates: 1,500 L/H, 2,500 L/H, and 3,500 L/H
Maximum Head Heights: 6.6 ft, 9.8 ft, and 11.5 ft
Metric Maximum Head Heights: 2 m, 3 m, and 3.5 m
Pump Operating Voltage: DC 24V
Power Supply: External AC-to-DC Adapter
Regional AC Input: 110–120V / 60Hz or 220–240V / 50Hz, Depending on Adapter
Controller Type: External LCD Digital Controller
Circulation Modes: Constant, Classic, Sine, and Random
Feeding Mode: 10-Minute Pause
Adjustable Flow Range: Approximately 30%–100%
Motor Technology: DC Sine Wave
Drive System: Magnetic Drive
Shaft Material: Ceramic
Pump Housing Material: Plastic
Low-Water-Level Intake: Yes
360-Degree Water Intake: Yes
Dry-Run Protection: Yes
Locked-Rotor Protection: Yes
Installation Orientation: Vertical or Horizontal
Maximum Water Temperature: 95°F / 35°C
Maximum Submersion Depth: 4.9 ft / 1.5 m
Power Cord Length: Approximately 13.4 ft / 4.1 m
20W Pump Dimensions: 5.23 × 2.32 × 2.32 inches / 13.3 × 6 × 6 cm
30W Pump Dimensions: 5.51 × 2.75 × 2.75 inches / 14 × 7 × 7 cm
35W Pump Dimensions: 6.49 × 3.14 × 3.14 inches / 16.5 × 8 × 8 cm
Water Compatibility: Freshwater and Saltwater
Primary Applications: Aquarium Return Pump, Sump Circulation, Fountains, Waterfalls, Ponds, and Hydroponics
Specifications are based on Hygger's published HG105 product information and user manual. Flow rates and head heights are maximum manufacturer ratings. Actual performance varies according to plumbing configuration, lift height, flow settings, and operating conditions.
Package Includes
The included outlet fittings vary according to the selected HG105 model.
HG105-1500 – 20W / 396 GPH
1 × Hygger HG105-1500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 5/8-inch Outlet Nozzle
1 × 3/4-inch Outlet Nozzle
1 × G 3/4-inch Screw Cap
1 × Rubber Pad
1 × User Manual
HG105-2500 – 30W / 660 GPH
1 × Hygger HG105-2500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 3/4-inch Outlet Nozzle
1 × 1-inch Outlet Nozzle
1 × 3/4-inch Straight Nozzle
1 × G 1-1/8-inch Screw Cap
1 × Rubber Pad
1 × User Manual
HG105-3500 – 35W / 925 GPH
1 × Hygger HG105-3500 Water Pump
1 × DC Power Adapter
1 × LCD Controller with Holder
1 × 1-inch Outlet Nozzle
1 × 1-1/4-inch Outlet Nozzle
1 × 1-inch Straight Nozzle
1 × G 1-3/8-inch Screw Cap
1 × Rubber Pad
1 × User Manual
Powerful, Quiet, and Intelligent Aquarium Water Circulation
The Hygger Vertical Water Pump HG105 is an excellent choice for aquarium owners who need reliable water circulation, adjustable flow control, and versatile installation options.
With three available models delivering up to 925 GPH, a convenient external LCD controller, four circulation modes, and a 10-minute feeding function, the HG105 provides flexible performance for freshwater and saltwater aquarium systems.
Its low-water-level intake design, durable ceramic shaft, quiet sine wave technology, and automatic dry-run and locked-rotor protection add convenience and durability for everyday operation.
Whether you're upgrading an aquarium sump return pump, improving water movement in a freshwater aquarium, maintaining a marine system, or operating a fountain or hydroponic reservoir, the Hygger HG105 delivers efficient and customizable water circulation.
Order the Hygger Vertical Water Pump HG105 today and enjoy powerful, quiet, and intelligent water movement for your aquarium or aquatic system.
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