Order processing time: 3–5 business days
Create a brighter, more natural, and beautifully illuminated aquarium with the Hygger 24/7 Clip On Light HG018, a versatile full-spectrum LED aquarium light designed for freshwater fish tanks, planted aquariums, aquascaping displays, and tropical community tanks. Featuring a customizable 24-hour day-and-night lighting cycle, advanced 2835 and 5050 RGB LED technology, adjustable brightness, independent daylight and moonlight timers, and an innovative extendable clip-on mounting system, the Hygger HG018 brings convenience and attractive lighting to aquariums of many sizes.
Available in six wattage options from 14W to 42W, the HG018 is designed for aquariums approximately 11–55 inches long, depending on the selected model. Its combination of bright 6500K white LEDs, blue, red, green, and RGB lighting provides attractive full-spectrum illumination that enhances aquatic plants, fish coloration, and the details of underwater landscapes.
Unlike ordinary aquarium lights with a basic on/off switch, the HG018 offers a flexible lighting system with automatic daylight and moonlight schedules, customizable color settings, multiple brightness levels, and a power-failure memory function. Its adjustable mounting rods allow the light panel to move forward or backward, making it easier to direct illumination toward the areas of your aquarium that need it most.
Whether you're upgrading a planted aquarium, creating a vibrant aquascape, illuminating a tropical fish display, or looking for convenient automatic aquarium lighting, the Hygger HG018 combines powerful LED performance with practical everyday control.
Benefits of the Hygger 24/7 Clip On Light HG018
Full-Spectrum LED Aquarium Lighting: Combines white, blue, red, green, and RGB LEDs for attractive freshwater aquarium illumination.
Six Available Wattages: Choose from 14W, 18W, 22W, 26W, 36W, and 42W models.
Designed for 11–55 Inch Aquariums: Multiple sizes accommodate small, medium, and large freshwater tanks.
Customizable 24/7 Lighting Cycle: Create automatic daylight and moonlight periods with scheduled darkness.
Independent Daylight Timer: Select 6-hour, 10-hour, or 12-hour daytime lighting periods.
Independent Moonlight Timer: Choose 3-hour, 5-hour, or 12-hour nighttime lighting periods.
Adjustable Brightness: Select light intensity from 10% to 100%.
Colorful Lighting Options: Customize the aquarium's appearance using different LED colors.
Premium 2835 and 5050 LEDs: Provides bright, energy-efficient illumination with a high color rendering appearance.
6500K Daylight White LEDs: Produces natural-looking illumination for planted freshwater aquariums.
Power-Failure Memory: Retains lighting settings after a power interruption, although the schedule timing resets.
Extendable Mounting Rods: Adjust the light panel's position forward or backward.
Secure Clip-On Installation: Suitable for many rimmed and rimless aquariums.
Flexible Modular Design: Compatible HG018 light panels can be combined for longer aquarium installations.
IP68-Rated LED Beads: Manufacturer-described waterproof LED components provide additional protection within the fixture.
Convenient External Controller: Adjust lighting modes, timers, brightness, and color without complicated programming.
Full-Spectrum LED Lighting for Freshwater Aquariums
The Hygger HG018 uses a combination of different LED types to produce bright, colorful illumination.
Its lighting system incorporates 2835 LEDs and 5050 RGB LEDs, allowing the fixture to combine natural-looking white light with multiple colored wavelengths.
6500K White LEDs
The 6500K white LEDs produce a daylight-like appearance.
This helps illuminate aquarium plants, fish, rocks, driftwood, and other decorations.
Blue LEDs
The blue LEDs provide cool-toned illumination and contribute to the fixture's moonlight-style lighting effects.
Red LEDs
Red wavelengths contribute to the full-spectrum output and can enhance the appearance of red aquatic plants and colorful fish.
Green LEDs
Green LEDs add to the visual spectrum and help display different shades of aquatic plant foliage.
RGB LEDs
The 5050 RGB LEDs provide additional color flexibility for customized aquarium lighting.
Manufacturer-Published Wavelengths
Hygger's product catalog identifies the primary lighting specifications as:
White: 6500K
Blue: 455 nm
Red: 620 nm
Green: 560 nm
These lighting components provide a broad visual spectrum suitable for many freshwater aquarium applications.
Customizable 24/7 Day and Night Lighting
One of the standout features of the Hygger HG018 is its customizable day-and-night lighting system.
Rather than keeping the aquarium illuminated at one constant brightness throughout the day, the HG018 allows users to create separate daytime and moonlight lighting periods.
Automatic Daylight
Choose the desired daytime lighting duration.
The fixture provides bright illumination for aquarium viewing and compatible aquatic plant growth.
Automatic Moonlight
Set a separate moonlight period for decorative evening illumination.
Scheduled Darkness
When the programmed lighting periods are complete, the fixture can provide a dark interval.
This helps establish a predictable lighting routine.
Flexible Lighting Combinations
Users can operate daylight only, moonlight only, or both lighting periods together.
Convenient Daily Automation
Once configured, the controller manages the selected lighting schedule automatically.
Important: The HG018 uses selectable lighting durations and controller-based programming. It should not be confused with aquarium lights that offer a fully customizable, minute-by-minute sunrise and sunset schedule.
Independent Daylight Timer Settings
The HG018 allows users to select from three daytime lighting durations.
6-Hour Daylight Timer
A shorter photoperiod can be useful for compatible low-light planted aquariums or setups where excessive lighting is a concern.
10-Hour Daylight Timer
Provides an extended daytime lighting period for aquariums requiring longer illumination.
12-Hour Daylight Timer
Offers the longest preset daytime lighting duration.
This may be appropriate for selected aquarium setups, but should be used according to plant requirements and algae conditions.
Selecting the Right Daylight Duration
For many planted freshwater aquariums, a consistent 6–10 hour lighting period is a reasonable starting point.
Actual requirements depend on plant species, lighting intensity, aquarium depth, and nutrient availability.
Independent Moonlight Timer Settings
The HG018 also provides separate moonlight timer options.
Available settings include:
3-Hour Moonlight Period
Useful for shorter decorative evening illumination.
5-Hour Moonlight Period
Provides an extended nighttime viewing period.
12-Hour Moonlight Period
Offers the longest available moonlight setting.
Moonlight and Fish Rest
Although moonlight can create an attractive aquarium appearance, fish and other aquatic animals generally benefit from a predictable period of darkness.
Avoid using excessive nighttime illumination if it interferes with the natural resting behavior of aquarium inhabitants.
Adjustable Brightness for Different Aquarium Needs
The Hygger HG018 features adjustable brightness controls.
The manufacturer describes a six-stage brightness progression:
The controller can then step back down through the brightness levels.
Lower Brightness Settings
Useful for aquariums requiring gentle illumination or when gradually introducing a new light.
Medium Brightness Settings
Provide balanced illumination for compatible freshwater aquariums.
Maximum Brightness
Delivers the strongest available output from the selected model.
Gradual Lighting Adjustments
Changing light intensity gradually allows aquarium owners to observe plant growth, fish behavior, and algae conditions before making further adjustments.
Multiple Lighting Modes and Colors
The HG018 offers four broad operating arrangements described by Hygger, including daylight, moonlight, and manual lighting control.
Daylight Mode
Provides automatic daytime lighting according to the selected timer.
Moonlight Mode
Provides automatic moonlight-style illumination according to the selected nighttime timer.
Combined Daylight and Moonlight Mode
Allows both daytime and nighttime lighting periods to operate as part of the daily schedule.
Manual Mode
Allows users to adjust lighting settings directly through the controller.
Decorative Color Control
In supported manual and moonlight settings, users can cycle through available lighting colors to change the aquarium's appearance.
This provides flexibility for different viewing preferences and decorative aquarium displays.
Six Available Hygger HG018 Models
The Hygger HG018 is available in six different sizes.
Each model is designed for a specific aquarium length range.
HG018-14W – For 11–19 Inch Aquariums
The smallest HG018 model provides full-spectrum lighting for compact freshwater aquariums.
Model Specifications:
Model: HG018-14W
Power Consumption: 14W
Recommended Aquarium Length: 11–19 inches / approximately 28–49 cm
Light Panel Length: 10.8 inches / approximately 27.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 60
Luminous Flux: Approximately 895 lumens
Mounting Clips: 1
Extendable Rods: 1
Operating Voltage: DC 20V
The 14W model is suitable for compatible small freshwater aquariums and compact planted tanks.
HG018-18W – For 19–25 Inch Aquariums
The 18W model provides increased lighting output for longer freshwater aquariums.
Model Specifications:
Model: HG018-18W
Power Consumption: 18W
Recommended Aquarium Length: 19–25 inches / approximately 49–63 cm
Light Panel Length: 16.7 inches / approximately 42.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 90
Luminous Flux: Approximately 1,843 lumens
Mounting Clips: 1
Extendable Rods: 1
Operating Voltage: DC 20V
The 18W model is a practical option for compatible medium-sized tropical and planted aquariums.
HG018-22W – For 25–31 Inch Aquariums
The 22W version provides greater lighting coverage and uses a two-bracket mounting arrangement.
Model Specifications:
Model: HG018-22W
Power Consumption: 22W
Recommended Aquarium Length: 25–31 inches / approximately 63.5–78.8 cm
Light Panel Length: 22.6 inches / approximately 57.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 120
Luminous Flux: Approximately 2,291 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 22W model is suitable for compatible planted aquariums requiring broader illumination.
HG018-26W – For 31–37 Inch Aquariums
The 26W version provides additional output for larger freshwater displays.
Model Specifications:
Model: HG018-26W
Power Consumption: 26W
Recommended Aquarium Length: 31–37 inches / approximately 78.8–94 cm
Light Panel Length: 28.5 inches / approximately 72.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 180
Luminous Flux: Approximately 3,579 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 26W model is suitable for compatible larger planted aquariums and tropical community tanks.
HG018-36W – For 37–43 Inch Aquariums
The 36W model offers high-output full-spectrum lighting for longer freshwater aquariums.
Model Specifications:
Model: HG018-36W
Power Consumption: 36W
Recommended Aquarium Length: 37–43 inches / approximately 94–110 cm
Light Panel Length: 34.4 inches / approximately 87.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 180
Luminous Flux: Approximately 3,774 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 36W model provides broad lighting coverage for compatible larger planted displays.
HG018-42W – For 43–55 Inch Aquariums
The HG018-42W is the largest model in the series.
Model Specifications:
Model: HG018-42W
Power Consumption: 42W
Recommended Aquarium Length: 43–55 inches / approximately 110–140 cm
Light Panel Length: 46.2 inches / approximately 117.3 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 270
Luminous Flux: Approximately 3,881 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 42W model provides the longest lighting panel in the HG018 range.
Important: Recommended aquarium lengths are manufacturer guidelines. Actual plant-lighting requirements depend on aquarium depth, width, plant species, and the desired light intensity.
Bright LED Lighting for Aquatic Plant Growth
The Hygger HG018 is designed for freshwater planted aquariums.
Its full-spectrum output can provide useful illumination for compatible aquatic plants.
Low-Light Aquarium Plants
The HG018 can be suitable for many common low-light species, including:
Anubias
Java Fern
Java Moss
Bucephalandra
Cryptocoryne
Medium-Light Aquarium Plants
Depending on aquarium depth and the selected HG018 model, it may also support:
Amazon Sword
Water Wisteria
Hygrophila
Ludwigia
Rotala
Plant Growth Considerations
Successful plant growth depends on more than lighting alone.
Important factors include:
For demanding high-light plants, verify that the selected HG018 provides sufficient light at the substrate.
Enhance the Colors of Freshwater Fish
The HG018 helps display the colors and patterns of freshwater aquarium inhabitants.
Tropical Community Fish
Bright white lighting can highlight the appearance of colorful community fish.
Betta Fish
Adjustable brightness provides flexibility for compatible betta aquarium setups.
Guppies and Livebearers
The full-spectrum light can enhance the appearance of brightly colored fish.
Cichlids
The HG018 can provide attractive illumination for larger freshwater cichlid aquariums.
Shrimp Aquariums
The light can illuminate planted shrimp aquariums and help display colorful shrimp varieties.
Decorative Aquascapes
The broad LED panel helps illuminate rocks, driftwood, plants, and aquarium backgrounds.
Innovative Extendable Clip-On Mounting System
The Hygger HG018 features a mounting system that allows the light panel to be positioned over the aquarium.
Adjustable Front-to-Back Position
The extendable rods allow the fixture to move forward or backward.
Hygger describes an adjustment distance of approximately:
3.1 inches / 8 cm
Secure Clip-On Brackets
The mounting clips attach to the aquarium rim or glass.
Adjustable Screws
The mounting screws help hold the fixture securely in place.
Compatible with Many Rimmed Aquariums
The mounting system can be installed on many framed tanks with suitable rim dimensions.
Compatible with Many Rimless Aquariums
The clips also support installation on compatible rimless glass aquariums.
Maximum Mounting Thickness
Hygger specifies compatibility with aquarium mounting surfaces less than approximately:
0.74 inches / 18.8 mm
Measure your aquarium rim before purchasing.
Single-Bracket and Double-Bracket Designs
The HG018 uses different mounting configurations depending on the selected model.
Single-Bracket Models
The following versions include one mounting clip and one extendable rod:
These models are designed for smaller aquarium installations.
Double-Bracket Models
The following versions include two mounting clips and two extendable rods:
HG018-22W
HG018-26W
HG018-36W
HG018-42W
The dual-bracket design provides additional support for longer light panels.
Installation Advantage
The bracket arrangement helps maintain stable positioning while allowing front-to-back adjustment.
Modular Lighting for Longer Aquariums
One of the distinctive features of the HG018 is its flexible mounting arrangement.
Hygger describes the possibility of combining compatible HG018 lights to accommodate longer aquariums.
Combined Lighting Coverage
Multiple fixtures can be installed together to increase the illuminated length.
Suitable for Long Aquariums
Hygger describes combinations such as:
These configurations can provide lighting for certain longer rimless aquarium setups.
Extended Aquarium Installations
The manufacturer also describes additional combinations for aquariums reaching approximately 72 inches in length.
Important Compatibility Note
Combined installations require separate compatible light fixtures and suitable mounting arrangements.
Do not assume that a single HG018 fixture can illuminate an aquarium beyond its recommended length.
Power-Failure Memory Function
The Hygger HG018 includes a memory feature designed to preserve selected lighting settings after a power interruption.
Retains Settings
The fixture can retain previously selected lighting settings.
Automatic Restart
The light can resume operation when electrical power is restored.
Schedule Timing Reset
The manufacturer specifies that the timing reference resets after a power interruption.
The default cycle begins from approximately 6:00 AM.
Important Scheduling Consideration
If power is interrupted, check the lighting schedule after electricity returns.
The retained settings do not guarantee that the original clock timing will remain synchronized.
Energy-Efficient LED Aquarium Lighting
The HG018 uses LED technology to provide bright illumination with relatively modest electrical consumption.
Six Wattage Choices
Choose a model that matches the aquarium length and lighting requirements.
Automatic Lighting Control
Timers help reduce unnecessary lighting outside the selected photoperiod.
Adjustable Brightness
Lower brightness settings allow reduced output when maximum intensity is not required.
Convenient Daily Operation
Once programmed, the fixture can operate automatically without frequent manual adjustments.
Suitable Aquarium Applications
The Hygger 24/7 Clip On Light HG018 is suitable for:
Freshwater planted aquariums
Tropical community fish tanks
Low-light planted aquariums
Compatible medium-light planted tanks
Aquascaping displays
Betta aquariums
Guppy aquariums
Shrimp aquariums
Cichlid aquariums
Small freshwater aquariums
Medium freshwater aquariums
Large freshwater displays
Rimmed aquariums with compatible mounting surfaces
Rimless aquariums
Aquariums requiring automatic daylight schedules
Aquariums requiring moonlight-style illumination
Aquariums requiring adjustable brightness
Long aquarium installations using multiple compatible fixtures
The HG018 is primarily designed for freshwater aquarium lighting and should not be relied upon as a dedicated reef coral light without verified suitability.
How to Set Up the Daylight Timer
Install the light: Secure the fixture above the aquarium using the supplied clips and extendable rods.
Connect the adapter: Use the supplied AC/DC power adapter.
Turn on the light: Activate the controller.
Locate the DAY-L button: This controls the daylight lighting duration.
Select the desired timer: Choose 6H, 10H, or 12H.
Check the indicator: Confirm that the desired daylight duration is selected.
Adjust brightness: Use the controller's brightness buttons.
Monitor the schedule: Observe the light over a complete daily cycle to confirm that the timing suits your aquarium.
How to Set Up the Moonlight Timer
Turn on the fixture: Confirm that the light is receiving power.
Locate the MOON-L button: This controls the moonlight lighting duration.
Select the timer: Choose 3H, 5H, or 12H.
Confirm the setting: Check the controller indicator.
Select the desired color: Use the mode controls where available.
Adjust brightness: Choose a suitable intensity.
Observe nighttime behavior: Ensure that the aquarium inhabitants have an appropriate resting period.
How to Use Manual Lighting Mode
Turn on the light: Use the ON/M button.
Switch to manual operation: Select manual mode according to the controller instructions.
Choose a color: Press the ON/M button to cycle through available colors.
Adjust brightness: Use the up and down buttons.
Check the aquarium appearance: Choose a suitable lighting effect.
Return to timer mode: Select the desired automatic daylight or moonlight program when finished.
Installation and Usage Guidelines
Choose the correct wattage: Select the model recommended for your aquarium length.
Inspect the equipment: Check the light panel, mounting clips, rods, controller, and adapter.
Assemble the brackets: Insert the extendable rods into the mounting clips.
Attach the light panel: Slide the light panel onto the bracket assembly from the appropriate side.
Adjust the rods: Extend the rods to the desired position.
Align the brackets: For two-bracket models, ensure both rods are level.
Position the light: Place the mounting clips over the aquarium rim.
Tighten the screws: Secure the fixture without overtightening.
Adjust the panel position: Move the light forward or backward for suitable aquarium coverage.
Position the controller: Keep the controller away from water and splashing.
Create a drip loop: Arrange the power cable to prevent water from reaching the outlet.
Connect the power adapter: Use the supplied compatible adapter.
Turn on the fixture: Activate the light.
Select the lighting mode: Choose daylight, moonlight, combined, or manual operation.
Set the timers: Configure the preferred lighting durations.
Adjust brightness: Match the intensity to your aquarium.
Monitor plant growth and fish behavior: Make gradual changes when necessary.
Tips for Healthy Aquarium Lighting
Start with a Moderate Photoperiod
Avoid using the longest timer setting automatically.
Choose a duration appropriate for the aquarium's plants and livestock.
Maintain Consistent Lighting
A regular schedule makes it easier to evaluate plant growth and algae conditions.
Adjust Brightness Gradually
Increase or decrease intensity in stages.
Balance Light and Nutrients
Aquatic plants require appropriate nutrients and, for some setups, sufficient carbon dioxide.
Avoid Excessive Night Lighting
Allow fish and other aquarium inhabitants a suitable dark period.
Keep the Light Panel Clean
Dust and water deposits can reduce light output.
Monitor Algae
If algae growth increases, review lighting duration, intensity, nutrients, and maintenance practices.
Maintenance and Cleaning Guidelines
Disconnect Power
Always unplug the fixture before cleaning or adjusting the mounting hardware.
Clean the Light Panel
Use a soft, dry or lightly damp cloth to remove dust and deposits.
Inspect the Mounting Clips
Check that the clips remain secure.
Inspect the Extendable Rods
Confirm that the rods are properly aligned and stable.
Clean the Controller Exterior
Use a dry cloth to remove dust.
Check Electrical Connections
Inspect the adapter and cables for visible damage.
Avoid Harsh Chemicals
Do not use abrasive cleaning products or solvents on the fixture.
Keep the Adapter Dry
Never immerse the power adapter or controller.
Troubleshooting Guide
Light Does Not Turn On
Check the electrical outlet.
Confirm that the adapter is securely connected.
Check the controller's power setting.
Light Turns Off Automatically
Review the selected daylight or moonlight timer.
The fixture may have completed its programmed lighting period.
Brightness Is Too Low
Increase the brightness setting.
Check the selected operating mode.
Light Color Is Not as Expected
Use the ON/M button to cycle through supported colors.
Lighting Schedule Changes After Power Loss
The HG018 retains selected settings but resets its timing reference after a power interruption.
Recheck the schedule after power is restored.
Light Panel Is Not Centered
Adjust the extendable rods.
Confirm that the mounting brackets are aligned.
Mounting Clips Feel Loose
Check the clamp screws and aquarium rim compatibility.
Plants Are Not Growing Well
Evaluate aquarium depth, lighting duration, brightness, nutrients, and carbon dioxide availability.
Algae Growth Increases
Reduce excessive lighting duration or intensity and review aquarium nutrient balance.
Important Safety Guidelines
The HG018 is designed for mounting above the aquarium.
Do not submerge the complete light fixture.
The manufacturer's IP68 statement applies to the LED beads, not the entire assembled light and electrical system.
Keep the controller and power adapter dry.
Disconnect power before cleaning.
Do not use the fixture with damaged wiring.
Do not exceed the specified mounting thickness.
Secure the clips carefully without overtightening.
Do not allow the light panel to fall into the aquarium.
Use only a compatible power adapter.
Create a drip loop in electrical cables.
Use an appropriately protected electrical outlet.
Keep the fixture away from young children.
Follow the manufacturer's installation instructions.
Product Specifications
Brand: Hygger
Product Name: 24/7 Clip On Light
Official Product Name: Full Spectrum Clip On Light
Model: HG018 / HG-018
Product Type: Full-Spectrum Freshwater Aquarium LED Light
Available Wattages: 14W, 18W, 22W, 26W, 36W, and 42W
Recommended Aquarium Lengths: 11–55 Inches, Depending on Model
LED Types: 2835 and 5050 RGB
White LED Color Temperature: 6500K
Blue LED Wavelength: Approximately 455 nm
Red LED Wavelength: Approximately 620 nm
Green LED Wavelength: Approximately 560 nm
Lighting Modes: Daylight, Moonlight, Combined Daylight/Moonlight, and Manual Control
Daylight Timer Settings: 6H, 10H, and 12H
Moonlight Timer Settings: 3H, 5H, and 12H
Brightness Settings: 10%, 25%, 35%, 50%, 75%, and 100%
Adjustable Brightness: Yes
Manual Color Selection: Yes
Power-Failure Memory: Yes
Timing Reset After Power Failure: Yes
LED Bead Waterproof Rating: IP68
Complete Fixture Submersible: No
Mounting Type: Adjustable Clip-On Bracket
Maximum Aquarium Mounting Thickness: Less Than 0.74 Inches / Approximately 18.8 mm
Extendable Rod Adjustment: Approximately 3.1 Inches / 8 cm
Bracket Configurations: Single or Double, Depending on Model
AC Adapter Input: 100–240V
DC Output: 20V
Primary Application: Freshwater and Planted Aquarium Lighting
HG018-14W Specifications
Power: 14W
LED Quantity: 60
Luminous Flux: 895 Lumens
Light Length: 10.8 Inches / 27.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 11–19 Inches
Mounting Clips: 1
Extendable Rods: 1
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-18W Specifications
Power: 18W
LED Quantity: 90
Luminous Flux: 1,843 Lumens
Light Length: 16.7 Inches / 42.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 19–25 Inches
Mounting Clips: 1
Extendable Rods: 1
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-22W Specifications
Power: 22W
LED Quantity: 120
Luminous Flux: 2,291 Lumens
Light Length: 22.6 Inches / 57.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 25–31 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-26W Specifications
Power: 26W
LED Quantity: 180
Luminous Flux: 3,579 Lumens
Light Length: 28.5 Inches / 72.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 31–37 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-36W Specifications
Power: 36W
LED Quantity: 180
Luminous Flux: 3,774 Lumens
Light Length: 34.4 Inches / 87.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 37–43 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 5.9 ft + 2.3 ft
HG018-42W Specifications
Power: 42W
LED Quantity: 270
Luminous Flux: 3,881 Lumens
Light Length: 46.2 Inches / 117.3 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 43–55 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 5.9 ft + 2.3 ft
Specifications are based on Hygger's official HG018 user manual and product catalog. The light's suitability for particular aquatic plants depends on actual light intensity, aquarium depth, and growing conditions. Published lumen values are manufacturer ratings.
Package Includes
HG018-14W and HG018-18W
HG018-22W, HG018-26W, HG018-36W, and HG018-42W
The fixture includes an integrated control system for adjusting the lighting schedule, color, and brightness.
Smart, Flexible Full-Spectrum Lighting for Beautiful Aquariums
The Hygger 24/7 Clip On Light HG018 is an excellent choice for aquarium enthusiasts who want bright full-spectrum illumination, customizable lighting schedules, and convenient clip-on installation.
With six available wattage options, advanced 2835 and 5050 RGB LEDs, adjustable brightness, independent daylight and moonlight timers, and a flexible mounting system, the HG018 provides a versatile lighting solution for freshwater aquariums of many sizes.
Its power-failure memory function adds everyday convenience, while the extendable rods allow users to position the light panel for improved coverage.
Whether you're illuminating a small planted aquarium, enhancing a tropical community tank, or creating a larger aquascaping display, the HG018 combines attractive lighting with practical control.
Order the Hygger 24/7 Clip On Light HG018 today and enjoy customizable full-spectrum aquarium lighting with convenient automatic day-and-night operation.
Order processing time: 3–5 business days
Create a brighter, more natural, and beautifully illuminated aquarium with the Hygger 24/7 Clip On Light HG018, a versatile full-spectrum LED aquarium light designed for freshwater fish tanks, planted aquariums, aquascaping displays, and tropical community tanks. Featuring a customizable 24-hour day-and-night lighting cycle, advanced 2835 and 5050 RGB LED technology, adjustable brightness, independent daylight and moonlight timers, and an innovative extendable clip-on mounting system, the Hygger HG018 brings convenience and attractive lighting to aquariums of many sizes.
Available in six wattage options from 14W to 42W, the HG018 is designed for aquariums approximately 11–55 inches long, depending on the selected model. Its combination of bright 6500K white LEDs, blue, red, green, and RGB lighting provides attractive full-spectrum illumination that enhances aquatic plants, fish coloration, and the details of underwater landscapes.
Unlike ordinary aquarium lights with a basic on/off switch, the HG018 offers a flexible lighting system with automatic daylight and moonlight schedules, customizable color settings, multiple brightness levels, and a power-failure memory function. Its adjustable mounting rods allow the light panel to move forward or backward, making it easier to direct illumination toward the areas of your aquarium that need it most.
Whether you're upgrading a planted aquarium, creating a vibrant aquascape, illuminating a tropical fish display, or looking for convenient automatic aquarium lighting, the Hygger HG018 combines powerful LED performance with practical everyday control.
Benefits of the Hygger 24/7 Clip On Light HG018
Full-Spectrum LED Aquarium Lighting: Combines white, blue, red, green, and RGB LEDs for attractive freshwater aquarium illumination.
Six Available Wattages: Choose from 14W, 18W, 22W, 26W, 36W, and 42W models.
Designed for 11–55 Inch Aquariums: Multiple sizes accommodate small, medium, and large freshwater tanks.
Customizable 24/7 Lighting Cycle: Create automatic daylight and moonlight periods with scheduled darkness.
Independent Daylight Timer: Select 6-hour, 10-hour, or 12-hour daytime lighting periods.
Independent Moonlight Timer: Choose 3-hour, 5-hour, or 12-hour nighttime lighting periods.
Adjustable Brightness: Select light intensity from 10% to 100%.
Colorful Lighting Options: Customize the aquarium's appearance using different LED colors.
Premium 2835 and 5050 LEDs: Provides bright, energy-efficient illumination with a high color rendering appearance.
6500K Daylight White LEDs: Produces natural-looking illumination for planted freshwater aquariums.
Power-Failure Memory: Retains lighting settings after a power interruption, although the schedule timing resets.
Extendable Mounting Rods: Adjust the light panel's position forward or backward.
Secure Clip-On Installation: Suitable for many rimmed and rimless aquariums.
Flexible Modular Design: Compatible HG018 light panels can be combined for longer aquarium installations.
IP68-Rated LED Beads: Manufacturer-described waterproof LED components provide additional protection within the fixture.
Convenient External Controller: Adjust lighting modes, timers, brightness, and color without complicated programming.
Full-Spectrum LED Lighting for Freshwater Aquariums
The Hygger HG018 uses a combination of different LED types to produce bright, colorful illumination.
Its lighting system incorporates 2835 LEDs and 5050 RGB LEDs, allowing the fixture to combine natural-looking white light with multiple colored wavelengths.
6500K White LEDs
The 6500K white LEDs produce a daylight-like appearance.
This helps illuminate aquarium plants, fish, rocks, driftwood, and other decorations.
Blue LEDs
The blue LEDs provide cool-toned illumination and contribute to the fixture's moonlight-style lighting effects.
Red LEDs
Red wavelengths contribute to the full-spectrum output and can enhance the appearance of red aquatic plants and colorful fish.
Green LEDs
Green LEDs add to the visual spectrum and help display different shades of aquatic plant foliage.
RGB LEDs
The 5050 RGB LEDs provide additional color flexibility for customized aquarium lighting.
Manufacturer-Published Wavelengths
Hygger's product catalog identifies the primary lighting specifications as:
White: 6500K
Blue: 455 nm
Red: 620 nm
Green: 560 nm
These lighting components provide a broad visual spectrum suitable for many freshwater aquarium applications.
Customizable 24/7 Day and Night Lighting
One of the standout features of the Hygger HG018 is its customizable day-and-night lighting system.
Rather than keeping the aquarium illuminated at one constant brightness throughout the day, the HG018 allows users to create separate daytime and moonlight lighting periods.
Automatic Daylight
Choose the desired daytime lighting duration.
The fixture provides bright illumination for aquarium viewing and compatible aquatic plant growth.
Automatic Moonlight
Set a separate moonlight period for decorative evening illumination.
Scheduled Darkness
When the programmed lighting periods are complete, the fixture can provide a dark interval.
This helps establish a predictable lighting routine.
Flexible Lighting Combinations
Users can operate daylight only, moonlight only, or both lighting periods together.
Convenient Daily Automation
Once configured, the controller manages the selected lighting schedule automatically.
Important: The HG018 uses selectable lighting durations and controller-based programming. It should not be confused with aquarium lights that offer a fully customizable, minute-by-minute sunrise and sunset schedule.
Independent Daylight Timer Settings
The HG018 allows users to select from three daytime lighting durations.
6-Hour Daylight Timer
A shorter photoperiod can be useful for compatible low-light planted aquariums or setups where excessive lighting is a concern.
10-Hour Daylight Timer
Provides an extended daytime lighting period for aquariums requiring longer illumination.
12-Hour Daylight Timer
Offers the longest preset daytime lighting duration.
This may be appropriate for selected aquarium setups, but should be used according to plant requirements and algae conditions.
Selecting the Right Daylight Duration
For many planted freshwater aquariums, a consistent 6–10 hour lighting period is a reasonable starting point.
Actual requirements depend on plant species, lighting intensity, aquarium depth, and nutrient availability.
Independent Moonlight Timer Settings
The HG018 also provides separate moonlight timer options.
Available settings include:
3-Hour Moonlight Period
Useful for shorter decorative evening illumination.
5-Hour Moonlight Period
Provides an extended nighttime viewing period.
12-Hour Moonlight Period
Offers the longest available moonlight setting.
Moonlight and Fish Rest
Although moonlight can create an attractive aquarium appearance, fish and other aquatic animals generally benefit from a predictable period of darkness.
Avoid using excessive nighttime illumination if it interferes with the natural resting behavior of aquarium inhabitants.
Adjustable Brightness for Different Aquarium Needs
The Hygger HG018 features adjustable brightness controls.
The manufacturer describes a six-stage brightness progression:
The controller can then step back down through the brightness levels.
Lower Brightness Settings
Useful for aquariums requiring gentle illumination or when gradually introducing a new light.
Medium Brightness Settings
Provide balanced illumination for compatible freshwater aquariums.
Maximum Brightness
Delivers the strongest available output from the selected model.
Gradual Lighting Adjustments
Changing light intensity gradually allows aquarium owners to observe plant growth, fish behavior, and algae conditions before making further adjustments.
Multiple Lighting Modes and Colors
The HG018 offers four broad operating arrangements described by Hygger, including daylight, moonlight, and manual lighting control.
Daylight Mode
Provides automatic daytime lighting according to the selected timer.
Moonlight Mode
Provides automatic moonlight-style illumination according to the selected nighttime timer.
Combined Daylight and Moonlight Mode
Allows both daytime and nighttime lighting periods to operate as part of the daily schedule.
Manual Mode
Allows users to adjust lighting settings directly through the controller.
Decorative Color Control
In supported manual and moonlight settings, users can cycle through available lighting colors to change the aquarium's appearance.
This provides flexibility for different viewing preferences and decorative aquarium displays.
Six Available Hygger HG018 Models
The Hygger HG018 is available in six different sizes.
Each model is designed for a specific aquarium length range.
HG018-14W – For 11–19 Inch Aquariums
The smallest HG018 model provides full-spectrum lighting for compact freshwater aquariums.
Model Specifications:
Model: HG018-14W
Power Consumption: 14W
Recommended Aquarium Length: 11–19 inches / approximately 28–49 cm
Light Panel Length: 10.8 inches / approximately 27.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 60
Luminous Flux: Approximately 895 lumens
Mounting Clips: 1
Extendable Rods: 1
Operating Voltage: DC 20V
The 14W model is suitable for compatible small freshwater aquariums and compact planted tanks.
HG018-18W – For 19–25 Inch Aquariums
The 18W model provides increased lighting output for longer freshwater aquariums.
Model Specifications:
Model: HG018-18W
Power Consumption: 18W
Recommended Aquarium Length: 19–25 inches / approximately 49–63 cm
Light Panel Length: 16.7 inches / approximately 42.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 90
Luminous Flux: Approximately 1,843 lumens
Mounting Clips: 1
Extendable Rods: 1
Operating Voltage: DC 20V
The 18W model is a practical option for compatible medium-sized tropical and planted aquariums.
HG018-22W – For 25–31 Inch Aquariums
The 22W version provides greater lighting coverage and uses a two-bracket mounting arrangement.
Model Specifications:
Model: HG018-22W
Power Consumption: 22W
Recommended Aquarium Length: 25–31 inches / approximately 63.5–78.8 cm
Light Panel Length: 22.6 inches / approximately 57.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 120
Luminous Flux: Approximately 2,291 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 22W model is suitable for compatible planted aquariums requiring broader illumination.
HG018-26W – For 31–37 Inch Aquariums
The 26W version provides additional output for larger freshwater displays.
Model Specifications:
Model: HG018-26W
Power Consumption: 26W
Recommended Aquarium Length: 31–37 inches / approximately 78.8–94 cm
Light Panel Length: 28.5 inches / approximately 72.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 180
Luminous Flux: Approximately 3,579 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 26W model is suitable for compatible larger planted aquariums and tropical community tanks.
HG018-36W – For 37–43 Inch Aquariums
The 36W model offers high-output full-spectrum lighting for longer freshwater aquariums.
Model Specifications:
Model: HG018-36W
Power Consumption: 36W
Recommended Aquarium Length: 37–43 inches / approximately 94–110 cm
Light Panel Length: 34.4 inches / approximately 87.4 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 180
Luminous Flux: Approximately 3,774 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 36W model provides broad lighting coverage for compatible larger planted displays.
HG018-42W – For 43–55 Inch Aquariums
The HG018-42W is the largest model in the series.
Model Specifications:
Model: HG018-42W
Power Consumption: 42W
Recommended Aquarium Length: 43–55 inches / approximately 110–140 cm
Light Panel Length: 46.2 inches / approximately 117.3 cm
Light Panel Width: 3.93 inches / approximately 10 cm
LED Quantity: 270
Luminous Flux: Approximately 3,881 lumens
Mounting Clips: 2
Extendable Rods: 2
Operating Voltage: DC 20V
The 42W model provides the longest lighting panel in the HG018 range.
Important: Recommended aquarium lengths are manufacturer guidelines. Actual plant-lighting requirements depend on aquarium depth, width, plant species, and the desired light intensity.
Bright LED Lighting for Aquatic Plant Growth
The Hygger HG018 is designed for freshwater planted aquariums.
Its full-spectrum output can provide useful illumination for compatible aquatic plants.
Low-Light Aquarium Plants
The HG018 can be suitable for many common low-light species, including:
Anubias
Java Fern
Java Moss
Bucephalandra
Cryptocoryne
Medium-Light Aquarium Plants
Depending on aquarium depth and the selected HG018 model, it may also support:
Amazon Sword
Water Wisteria
Hygrophila
Ludwigia
Rotala
Plant Growth Considerations
Successful plant growth depends on more than lighting alone.
Important factors include:
For demanding high-light plants, verify that the selected HG018 provides sufficient light at the substrate.
Enhance the Colors of Freshwater Fish
The HG018 helps display the colors and patterns of freshwater aquarium inhabitants.
Tropical Community Fish
Bright white lighting can highlight the appearance of colorful community fish.
Betta Fish
Adjustable brightness provides flexibility for compatible betta aquarium setups.
Guppies and Livebearers
The full-spectrum light can enhance the appearance of brightly colored fish.
Cichlids
The HG018 can provide attractive illumination for larger freshwater cichlid aquariums.
Shrimp Aquariums
The light can illuminate planted shrimp aquariums and help display colorful shrimp varieties.
Decorative Aquascapes
The broad LED panel helps illuminate rocks, driftwood, plants, and aquarium backgrounds.
Innovative Extendable Clip-On Mounting System
The Hygger HG018 features a mounting system that allows the light panel to be positioned over the aquarium.
Adjustable Front-to-Back Position
The extendable rods allow the fixture to move forward or backward.
Hygger describes an adjustment distance of approximately:
3.1 inches / 8 cm
Secure Clip-On Brackets
The mounting clips attach to the aquarium rim or glass.
Adjustable Screws
The mounting screws help hold the fixture securely in place.
Compatible with Many Rimmed Aquariums
The mounting system can be installed on many framed tanks with suitable rim dimensions.
Compatible with Many Rimless Aquariums
The clips also support installation on compatible rimless glass aquariums.
Maximum Mounting Thickness
Hygger specifies compatibility with aquarium mounting surfaces less than approximately:
0.74 inches / 18.8 mm
Measure your aquarium rim before purchasing.
Single-Bracket and Double-Bracket Designs
The HG018 uses different mounting configurations depending on the selected model.
Single-Bracket Models
The following versions include one mounting clip and one extendable rod:
These models are designed for smaller aquarium installations.
Double-Bracket Models
The following versions include two mounting clips and two extendable rods:
HG018-22W
HG018-26W
HG018-36W
HG018-42W
The dual-bracket design provides additional support for longer light panels.
Installation Advantage
The bracket arrangement helps maintain stable positioning while allowing front-to-back adjustment.
Modular Lighting for Longer Aquariums
One of the distinctive features of the HG018 is its flexible mounting arrangement.
Hygger describes the possibility of combining compatible HG018 lights to accommodate longer aquariums.
Combined Lighting Coverage
Multiple fixtures can be installed together to increase the illuminated length.
Suitable for Long Aquariums
Hygger describes combinations such as:
These configurations can provide lighting for certain longer rimless aquarium setups.
Extended Aquarium Installations
The manufacturer also describes additional combinations for aquariums reaching approximately 72 inches in length.
Important Compatibility Note
Combined installations require separate compatible light fixtures and suitable mounting arrangements.
Do not assume that a single HG018 fixture can illuminate an aquarium beyond its recommended length.
Power-Failure Memory Function
The Hygger HG018 includes a memory feature designed to preserve selected lighting settings after a power interruption.
Retains Settings
The fixture can retain previously selected lighting settings.
Automatic Restart
The light can resume operation when electrical power is restored.
Schedule Timing Reset
The manufacturer specifies that the timing reference resets after a power interruption.
The default cycle begins from approximately 6:00 AM.
Important Scheduling Consideration
If power is interrupted, check the lighting schedule after electricity returns.
The retained settings do not guarantee that the original clock timing will remain synchronized.
Energy-Efficient LED Aquarium Lighting
The HG018 uses LED technology to provide bright illumination with relatively modest electrical consumption.
Six Wattage Choices
Choose a model that matches the aquarium length and lighting requirements.
Automatic Lighting Control
Timers help reduce unnecessary lighting outside the selected photoperiod.
Adjustable Brightness
Lower brightness settings allow reduced output when maximum intensity is not required.
Convenient Daily Operation
Once programmed, the fixture can operate automatically without frequent manual adjustments.
Suitable Aquarium Applications
The Hygger 24/7 Clip On Light HG018 is suitable for:
Freshwater planted aquariums
Tropical community fish tanks
Low-light planted aquariums
Compatible medium-light planted tanks
Aquascaping displays
Betta aquariums
Guppy aquariums
Shrimp aquariums
Cichlid aquariums
Small freshwater aquariums
Medium freshwater aquariums
Large freshwater displays
Rimmed aquariums with compatible mounting surfaces
Rimless aquariums
Aquariums requiring automatic daylight schedules
Aquariums requiring moonlight-style illumination
Aquariums requiring adjustable brightness
Long aquarium installations using multiple compatible fixtures
The HG018 is primarily designed for freshwater aquarium lighting and should not be relied upon as a dedicated reef coral light without verified suitability.
How to Set Up the Daylight Timer
Install the light: Secure the fixture above the aquarium using the supplied clips and extendable rods.
Connect the adapter: Use the supplied AC/DC power adapter.
Turn on the light: Activate the controller.
Locate the DAY-L button: This controls the daylight lighting duration.
Select the desired timer: Choose 6H, 10H, or 12H.
Check the indicator: Confirm that the desired daylight duration is selected.
Adjust brightness: Use the controller's brightness buttons.
Monitor the schedule: Observe the light over a complete daily cycle to confirm that the timing suits your aquarium.
How to Set Up the Moonlight Timer
Turn on the fixture: Confirm that the light is receiving power.
Locate the MOON-L button: This controls the moonlight lighting duration.
Select the timer: Choose 3H, 5H, or 12H.
Confirm the setting: Check the controller indicator.
Select the desired color: Use the mode controls where available.
Adjust brightness: Choose a suitable intensity.
Observe nighttime behavior: Ensure that the aquarium inhabitants have an appropriate resting period.
How to Use Manual Lighting Mode
Turn on the light: Use the ON/M button.
Switch to manual operation: Select manual mode according to the controller instructions.
Choose a color: Press the ON/M button to cycle through available colors.
Adjust brightness: Use the up and down buttons.
Check the aquarium appearance: Choose a suitable lighting effect.
Return to timer mode: Select the desired automatic daylight or moonlight program when finished.
Installation and Usage Guidelines
Choose the correct wattage: Select the model recommended for your aquarium length.
Inspect the equipment: Check the light panel, mounting clips, rods, controller, and adapter.
Assemble the brackets: Insert the extendable rods into the mounting clips.
Attach the light panel: Slide the light panel onto the bracket assembly from the appropriate side.
Adjust the rods: Extend the rods to the desired position.
Align the brackets: For two-bracket models, ensure both rods are level.
Position the light: Place the mounting clips over the aquarium rim.
Tighten the screws: Secure the fixture without overtightening.
Adjust the panel position: Move the light forward or backward for suitable aquarium coverage.
Position the controller: Keep the controller away from water and splashing.
Create a drip loop: Arrange the power cable to prevent water from reaching the outlet.
Connect the power adapter: Use the supplied compatible adapter.
Turn on the fixture: Activate the light.
Select the lighting mode: Choose daylight, moonlight, combined, or manual operation.
Set the timers: Configure the preferred lighting durations.
Adjust brightness: Match the intensity to your aquarium.
Monitor plant growth and fish behavior: Make gradual changes when necessary.
Tips for Healthy Aquarium Lighting
Start with a Moderate Photoperiod
Avoid using the longest timer setting automatically.
Choose a duration appropriate for the aquarium's plants and livestock.
Maintain Consistent Lighting
A regular schedule makes it easier to evaluate plant growth and algae conditions.
Adjust Brightness Gradually
Increase or decrease intensity in stages.
Balance Light and Nutrients
Aquatic plants require appropriate nutrients and, for some setups, sufficient carbon dioxide.
Avoid Excessive Night Lighting
Allow fish and other aquarium inhabitants a suitable dark period.
Keep the Light Panel Clean
Dust and water deposits can reduce light output.
Monitor Algae
If algae growth increases, review lighting duration, intensity, nutrients, and maintenance practices.
Maintenance and Cleaning Guidelines
Disconnect Power
Always unplug the fixture before cleaning or adjusting the mounting hardware.
Clean the Light Panel
Use a soft, dry or lightly damp cloth to remove dust and deposits.
Inspect the Mounting Clips
Check that the clips remain secure.
Inspect the Extendable Rods
Confirm that the rods are properly aligned and stable.
Clean the Controller Exterior
Use a dry cloth to remove dust.
Check Electrical Connections
Inspect the adapter and cables for visible damage.
Avoid Harsh Chemicals
Do not use abrasive cleaning products or solvents on the fixture.
Keep the Adapter Dry
Never immerse the power adapter or controller.
Troubleshooting Guide
Light Does Not Turn On
Check the electrical outlet.
Confirm that the adapter is securely connected.
Check the controller's power setting.
Light Turns Off Automatically
Review the selected daylight or moonlight timer.
The fixture may have completed its programmed lighting period.
Brightness Is Too Low
Increase the brightness setting.
Check the selected operating mode.
Light Color Is Not as Expected
Use the ON/M button to cycle through supported colors.
Lighting Schedule Changes After Power Loss
The HG018 retains selected settings but resets its timing reference after a power interruption.
Recheck the schedule after power is restored.
Light Panel Is Not Centered
Adjust the extendable rods.
Confirm that the mounting brackets are aligned.
Mounting Clips Feel Loose
Check the clamp screws and aquarium rim compatibility.
Plants Are Not Growing Well
Evaluate aquarium depth, lighting duration, brightness, nutrients, and carbon dioxide availability.
Algae Growth Increases
Reduce excessive lighting duration or intensity and review aquarium nutrient balance.
Important Safety Guidelines
The HG018 is designed for mounting above the aquarium.
Do not submerge the complete light fixture.
The manufacturer's IP68 statement applies to the LED beads, not the entire assembled light and electrical system.
Keep the controller and power adapter dry.
Disconnect power before cleaning.
Do not use the fixture with damaged wiring.
Do not exceed the specified mounting thickness.
Secure the clips carefully without overtightening.
Do not allow the light panel to fall into the aquarium.
Use only a compatible power adapter.
Create a drip loop in electrical cables.
Use an appropriately protected electrical outlet.
Keep the fixture away from young children.
Follow the manufacturer's installation instructions.
Product Specifications
Brand: Hygger
Product Name: 24/7 Clip On Light
Official Product Name: Full Spectrum Clip On Light
Model: HG018 / HG-018
Product Type: Full-Spectrum Freshwater Aquarium LED Light
Available Wattages: 14W, 18W, 22W, 26W, 36W, and 42W
Recommended Aquarium Lengths: 11–55 Inches, Depending on Model
LED Types: 2835 and 5050 RGB
White LED Color Temperature: 6500K
Blue LED Wavelength: Approximately 455 nm
Red LED Wavelength: Approximately 620 nm
Green LED Wavelength: Approximately 560 nm
Lighting Modes: Daylight, Moonlight, Combined Daylight/Moonlight, and Manual Control
Daylight Timer Settings: 6H, 10H, and 12H
Moonlight Timer Settings: 3H, 5H, and 12H
Brightness Settings: 10%, 25%, 35%, 50%, 75%, and 100%
Adjustable Brightness: Yes
Manual Color Selection: Yes
Power-Failure Memory: Yes
Timing Reset After Power Failure: Yes
LED Bead Waterproof Rating: IP68
Complete Fixture Submersible: No
Mounting Type: Adjustable Clip-On Bracket
Maximum Aquarium Mounting Thickness: Less Than 0.74 Inches / Approximately 18.8 mm
Extendable Rod Adjustment: Approximately 3.1 Inches / 8 cm
Bracket Configurations: Single or Double, Depending on Model
AC Adapter Input: 100–240V
DC Output: 20V
Primary Application: Freshwater and Planted Aquarium Lighting
HG018-14W Specifications
Power: 14W
LED Quantity: 60
Luminous Flux: 895 Lumens
Light Length: 10.8 Inches / 27.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 11–19 Inches
Mounting Clips: 1
Extendable Rods: 1
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-18W Specifications
Power: 18W
LED Quantity: 90
Luminous Flux: 1,843 Lumens
Light Length: 16.7 Inches / 42.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 19–25 Inches
Mounting Clips: 1
Extendable Rods: 1
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-22W Specifications
Power: 22W
LED Quantity: 120
Luminous Flux: 2,291 Lumens
Light Length: 22.6 Inches / 57.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 25–31 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-26W Specifications
Power: 26W
LED Quantity: 180
Luminous Flux: 3,579 Lumens
Light Length: 28.5 Inches / 72.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 31–37 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 4.9 ft + 2.3 ft
HG018-36W Specifications
Power: 36W
LED Quantity: 180
Luminous Flux: 3,774 Lumens
Light Length: 34.4 Inches / 87.4 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 37–43 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 5.9 ft + 2.3 ft
HG018-42W Specifications
Power: 42W
LED Quantity: 270
Luminous Flux: 3,881 Lumens
Light Length: 46.2 Inches / 117.3 cm
Light Width: 3.93 Inches / 10 cm
Recommended Aquarium Length: 43–55 Inches
Mounting Clips: 2
Extendable Rods: 2
Power Cord Length: Approximately 5.9 ft + 2.3 ft
Specifications are based on Hygger's official HG018 user manual and product catalog. The light's suitability for particular aquatic plants depends on actual light intensity, aquarium depth, and growing conditions. Published lumen values are manufacturer ratings.
Package Includes
HG018-14W and HG018-18W
HG018-22W, HG018-26W, HG018-36W, and HG018-42W
The fixture includes an integrated control system for adjusting the lighting schedule, color, and brightness.
Smart, Flexible Full-Spectrum Lighting for Beautiful Aquariums
The Hygger 24/7 Clip On Light HG018 is an excellent choice for aquarium enthusiasts who want bright full-spectrum illumination, customizable lighting schedules, and convenient clip-on installation.
With six available wattage options, advanced 2835 and 5050 RGB LEDs, adjustable brightness, independent daylight and moonlight timers, and a flexible mounting system, the HG018 provides a versatile lighting solution for freshwater aquariums of many sizes.
Its power-failure memory function adds everyday convenience, while the extendable rods allow users to position the light panel for improved coverage.
Whether you're illuminating a small planted aquarium, enhancing a tropical community tank, or creating a larger aquascaping display, the HG018 combines attractive lighting with practical control.
Order the Hygger 24/7 Clip On Light HG018 today and enjoy customizable full-spectrum aquarium lighting with convenient automatic day-and-night operation.
Image 1 of 7
Image 2 of 7
Image 3 of 7
Image 4 of 7
Image 5 of 7
Image 6 of 7
Image 7 of 7
