Order processing time: 3–5 business days
Bring vibrant marine colors and natural-looking illumination to your saltwater aquarium with the Hygger HG990-22W Apex Clip-On Light Saltwater. Designed for compact marine aquariums, this 22W LED aquarium light combines a blue-rich full-spectrum LED arrangement, automatic 24/7 lighting cycle, adjustable brightness, selectable colors, and a convenient clip-on mounting system.
Featuring 126 LED chips, the Hygger HG990-22W is specifically configured for saltwater aquarium lighting. Its combination of blue, white, purple, red, green, and RGB LEDs enhances the appearance of marine fish, corals, live rock, and aquarium decorations. The built-in 24/7 mode creates gradual sunrise, daylight, and moonlight transitions, while the adjustable timer mode offers greater control over lighting duration, intensity, and color.
Whether you're setting up a nano saltwater aquarium, upgrading an existing marine tank, or looking for an easy-to-install LED fixture with automatic daily operation, the Hygger HG990-22W offers a practical and attractive lighting solution.
22W Marine LED Lighting: Designed specifically for saltwater aquarium illumination.
126 High-Quality LED Chips: Features a blue-rich lighting arrangement for attractive marine color enhancement.
Automatic 24/7 Lighting Cycle: Simulates gradual sunrise, daylight, sunset, and moonlight.
Customizable Timer Mode: Select from 6-hour, 10-hour, or 12-hour lighting periods.
Five Brightness Levels: Adjust illumination to 10%, 25%, 50%, 75%, or 100%.
Seven Selectable Lighting Colors: Create different aquarium appearances using white, red, blue, green, purple, yellow-orange, or cyan lighting.
Blue-Rich Full Spectrum: Highlights the coloration of marine fish and fluorescent aquarium inhabitants.
Clip-On Mounting System: Installs conveniently on compatible rimmed and rimless aquariums.
Adjustable Mounting Position: Supports front or side installation for flexible aquarium placement.
Aluminum Light Housing: Helps dissipate heat during normal operation.
Detachable Power Adapter: Allows convenient connection and replacement of the external adapter when necessary.
Compact 12-Inch Fixture: Provides a space-saving lighting solution for smaller marine aquariums.
The Hygger HG990-22W is the saltwater version of Hygger's HG990 aquarium clip-on light series.
Unlike the 14W freshwater version, the 22W saltwater model features a different LED configuration designed to emphasize blue-spectrum illumination.
Its 126 LED chips include:
82 blue LEDs
16 white LEDs
6 purple LEDs
2 green LEDs
2 red LEDs
18 RGB LEDs
This combination produces an attractive marine lighting effect that enhances the appearance of saltwater fish, colorful invertebrates, and reef-style aquarium displays.
The blue-rich spectrum is particularly useful for bringing out fluorescent coloration in suitable marine organisms.
Hygger describes the saltwater version as suitable for small marine aquariums containing soft corals, shrimp, hermit crabs, and other compatible invertebrates.
However, coral lighting requirements vary significantly by species, tank depth, and placement. For demanding corals, verify that the fixture provides adequate photosynthetically active radiation (PAR) at the intended coral location.
One of the standout features of the Hygger HG990-22W is its built-in 24/7 natural lighting cycle.
This mode automatically transitions through different lighting colors and intensities to simulate a natural daily rhythm.
The lighting cycle begins with a gradual orange-toned sunrise effect.
The light slowly increases in brightness, creating a gentler transition from darkness to daytime illumination.
During the daytime period, the fixture transitions into brighter white-based illumination.
This provides a clear view of aquarium inhabitants and highlights the colors and textures of the marine environment.
As the day progresses, the light gradually transitions toward blue-toned evening and moonlight illumination.
This creates an attractive marine display while reducing brightness toward the end of the cycle.
After the evening lighting period, the fixture switches off until the next scheduled sunrise.
This provides a regular dark period rather than maintaining continuous illumination throughout the night.
The overall 24/7 cycle can be advanced or delayed to better align with the aquarium owner's preferred schedule.
Note: The 24/7 mode follows a preset lighting pattern. Individual color and brightness adjustments are made using the separate timer lighting mode.
For aquarium owners who prefer manual lighting customization, the Hygger HG990-22W includes a separate timer mode.
This mode allows users to choose lighting duration, brightness, and color.
Select from:
6-hour lighting period
10-hour lighting period
12-hour lighting period
These settings provide flexibility when establishing a consistent aquarium photoperiod.
Adjust the lighting intensity to:
10%
25%
50%
75%
100%
Brightness control allows aquarium owners to create softer illumination or increase intensity when appropriate.
The fixture offers selectable lighting colors, including:
White
Red
Blue
Green
Purple
Yellow-orange
Cyan
An additional automatic color-changing effect is also available.
Important: When the continuous color-changing effect is selected, timer and brightness adjustments are unavailable. The effect continues until manually switched off.
The Hygger HG990-22W features a lighting arrangement designed to complement the appearance of saltwater aquarium inhabitants.
Its combination of blue, white, and additional colored LEDs can enhance:
Marine fish coloration
Fluorescent pigments in compatible corals
Colorful aquarium invertebrates
Live rock textures
Reef-style aquarium decorations
Overall aquarium contrast and visual appeal
Blue lighting is especially popular in marine aquariums because it can make fluorescent colors appear more vivid.
However, visual brightness does not necessarily indicate coral-growing capability. The appropriate light intensity and spectrum depend on the specific species being maintained.
For coral-focused aquariums, evaluate PAR requirements and use suitable coral placement rather than relying on wattage alone.
The Hygger HG990-22W features a compact 12-inch LED light body and an adjustable mounting system.
Its clip-on bracket is designed for aquarium walls measuring less than approximately 0.9 inches (23mm) thick.
The bracket can be positioned on the front or side of compatible aquariums, allowing flexible installation based on tank layout.
The light body can also be removed from the mounting bracket and repositioned horizontally or vertically as supported by the mounting system.
This flexibility makes the HG990-22W suitable for many compact aquarium installations where a traditional full-length LED fixture may be less convenient.
The aluminum housing helps dissipate heat and provides a smooth exterior that can be cleaned easily.
The Hygger HG990-22W Apex Clip-On Light Saltwater is suitable for compatible setups, including:
Nano saltwater aquariums
Small marine fish tanks
Saltwater aquariums approximately 12–20 inches long
Small soft coral displays with suitable light requirements
Marine shrimp aquariums
Hermit crab and marine invertebrate displays
Fish-only saltwater aquariums
Reef-style decorative aquariums
Compact marine aquariums requiring automatic lighting
Aquarium setups requiring adjustable color and brightness
The manufacturer's published listings vary slightly in their stated aquarium size range, with the saltwater version commonly listed for approximately 12–20 inches and some listings extending to 24 inches. Confirm the aquarium dimensions and desired lighting coverage before installation.
Inspect the package: Confirm that the LED fixture, mounting bracket, power adapter, and instructions are present.
Choose the mounting location: Select a suitable position on the front or side of the aquarium.
Secure the clip-on bracket: Attach the bracket firmly to compatible aquarium glass.
Install the LED fixture: Position the light body securely in the mounting bracket.
Connect the power adapter: Attach the electrical connections according to the manufacturer's instructions.
Create a drip loop: Arrange the power cord so water cannot travel directly into the electrical outlet.
Switch on the light: Use the controller to activate the fixture.
Select a lighting mode: Choose the automatic 24/7 mode or customizable timer mode.
Adjust the settings: In timer mode, select the preferred lighting duration, brightness, and color.
Monitor aquarium inhabitants: Observe fish and coral responses and adjust the lighting setup when necessary.
Use a consistent lighting schedule to support a predictable day-and-night cycle.
Start with a lower brightness level when introducing new light-sensitive livestock.
Increase lighting intensity gradually rather than making abrupt changes.
Avoid leaving bright aquarium lights on continuously.
Provide a suitable period of darkness for fish and other aquarium inhabitants.
Check coral-specific lighting requirements before using the fixture for photosynthetic corals.
Disconnect electrical power before cleaning or adjusting the fixture.
Clean the aluminum housing using a soft, dry cloth.
Keep the controller, power adapter, and electrical connections dry.
Do not submerge the light fixture or controller.
Inspect the mounting bracket regularly to ensure secure installation.
Avoid placing the light near excessive heat or flammable materials.
Reset the lighting schedule after a power interruption if required.
Follow the manufacturer's operating instructions at all times.
Brand: Hygger
Product Name: Apex Clip-On Light Saltwater
Model: HG990-22W
Series: HG990
Product Type: Clip-On Marine Aquarium LED Light
Power Rating: 22W
Recommended Aquarium Length: Approximately 12–20 inches, with some listings indicating up to 24 inches
Light Fixture Length: 12 inches (30.48cm)
LED Quantity: 126
Blue LEDs: 82
White LEDs: 16
Purple LEDs: 6
Green LEDs: 2
Red LEDs: 2
RGB LEDs: 18
Lighting Spectrum: Blue-rich multicolor marine LED spectrum
Lighting Modes: Automatic 24/7 mode and customizable timer mode
Timer Settings: 6 hours, 10 hours, or 12 hours
Brightness Levels: 10%, 25%, 50%, 75%, and 100%
Selectable Colors: White, red, blue, green, purple, yellow-orange, and cyan
Additional Lighting Effect: Automatic color-changing cycle
Automatic Lighting Cycle: Sunrise, daylight, moonlight, and overnight darkness
Mounting Type: Adjustable clip-on bracket
Maximum Aquarium Wall Thickness: Approximately 0.9 inches (23mm)
Housing Material: Aluminum
Output Voltage: DC 20V
Power Cord Length: Approximately 4.9ft + 2.3ft
Recommended Water Type: Saltwater
Primary Applications: Nano marine aquariums, fish-only saltwater tanks, and suitable soft coral or invertebrate displays
Specifications are based on Hygger's published HG990 product information and user manual. Confirm the correct 22W saltwater version when ordering, as the HG990 series also includes a 14W freshwater model.
1 × Hygger HG990-22W Saltwater LED Light
1 × Adjustable Clip-On Mounting Bracket
1 × AC/DC Power Adapter
1 × User Manual
The Hygger HG990-22W Apex Clip-On Light Saltwater is a practical choice for marine aquarium owners who want attractive blue-rich illumination, automatic daily lighting transitions, and convenient brightness and color controls.
With its 126 LED chips, 22W power rating, preset 24/7 lighting cycle, customizable timer settings, and flexible clip-on mounting system, this compact LED light provides an accessible lighting solution for smaller saltwater aquarium displays.
Whether you're highlighting colorful marine fish, creating a decorative nano reef-style display, or improving the appearance of a small saltwater aquarium, the Hygger HG990-22W offers flexible lighting control in a space-saving design.
Order the Hygger HG990-22W Apex Clip-On Saltwater LED Light today and bring vibrant marine colors and convenient automatic lighting to your aquarium.
Order processing time: 3–5 business days
Bring vibrant marine colors and natural-looking illumination to your saltwater aquarium with the Hygger HG990-22W Apex Clip-On Light Saltwater. Designed for compact marine aquariums, this 22W LED aquarium light combines a blue-rich full-spectrum LED arrangement, automatic 24/7 lighting cycle, adjustable brightness, selectable colors, and a convenient clip-on mounting system.
Featuring 126 LED chips, the Hygger HG990-22W is specifically configured for saltwater aquarium lighting. Its combination of blue, white, purple, red, green, and RGB LEDs enhances the appearance of marine fish, corals, live rock, and aquarium decorations. The built-in 24/7 mode creates gradual sunrise, daylight, and moonlight transitions, while the adjustable timer mode offers greater control over lighting duration, intensity, and color.
Whether you're setting up a nano saltwater aquarium, upgrading an existing marine tank, or looking for an easy-to-install LED fixture with automatic daily operation, the Hygger HG990-22W offers a practical and attractive lighting solution.
22W Marine LED Lighting: Designed specifically for saltwater aquarium illumination.
126 High-Quality LED Chips: Features a blue-rich lighting arrangement for attractive marine color enhancement.
Automatic 24/7 Lighting Cycle: Simulates gradual sunrise, daylight, sunset, and moonlight.
Customizable Timer Mode: Select from 6-hour, 10-hour, or 12-hour lighting periods.
Five Brightness Levels: Adjust illumination to 10%, 25%, 50%, 75%, or 100%.
Seven Selectable Lighting Colors: Create different aquarium appearances using white, red, blue, green, purple, yellow-orange, or cyan lighting.
Blue-Rich Full Spectrum: Highlights the coloration of marine fish and fluorescent aquarium inhabitants.
Clip-On Mounting System: Installs conveniently on compatible rimmed and rimless aquariums.
Adjustable Mounting Position: Supports front or side installation for flexible aquarium placement.
Aluminum Light Housing: Helps dissipate heat during normal operation.
Detachable Power Adapter: Allows convenient connection and replacement of the external adapter when necessary.
Compact 12-Inch Fixture: Provides a space-saving lighting solution for smaller marine aquariums.
The Hygger HG990-22W is the saltwater version of Hygger's HG990 aquarium clip-on light series.
Unlike the 14W freshwater version, the 22W saltwater model features a different LED configuration designed to emphasize blue-spectrum illumination.
Its 126 LED chips include:
82 blue LEDs
16 white LEDs
6 purple LEDs
2 green LEDs
2 red LEDs
18 RGB LEDs
This combination produces an attractive marine lighting effect that enhances the appearance of saltwater fish, colorful invertebrates, and reef-style aquarium displays.
The blue-rich spectrum is particularly useful for bringing out fluorescent coloration in suitable marine organisms.
Hygger describes the saltwater version as suitable for small marine aquariums containing soft corals, shrimp, hermit crabs, and other compatible invertebrates.
However, coral lighting requirements vary significantly by species, tank depth, and placement. For demanding corals, verify that the fixture provides adequate photosynthetically active radiation (PAR) at the intended coral location.
One of the standout features of the Hygger HG990-22W is its built-in 24/7 natural lighting cycle.
This mode automatically transitions through different lighting colors and intensities to simulate a natural daily rhythm.
The lighting cycle begins with a gradual orange-toned sunrise effect.
The light slowly increases in brightness, creating a gentler transition from darkness to daytime illumination.
During the daytime period, the fixture transitions into brighter white-based illumination.
This provides a clear view of aquarium inhabitants and highlights the colors and textures of the marine environment.
As the day progresses, the light gradually transitions toward blue-toned evening and moonlight illumination.
This creates an attractive marine display while reducing brightness toward the end of the cycle.
After the evening lighting period, the fixture switches off until the next scheduled sunrise.
This provides a regular dark period rather than maintaining continuous illumination throughout the night.
The overall 24/7 cycle can be advanced or delayed to better align with the aquarium owner's preferred schedule.
Note: The 24/7 mode follows a preset lighting pattern. Individual color and brightness adjustments are made using the separate timer lighting mode.
For aquarium owners who prefer manual lighting customization, the Hygger HG990-22W includes a separate timer mode.
This mode allows users to choose lighting duration, brightness, and color.
Select from:
6-hour lighting period
10-hour lighting period
12-hour lighting period
These settings provide flexibility when establishing a consistent aquarium photoperiod.
Adjust the lighting intensity to:
10%
25%
50%
75%
100%
Brightness control allows aquarium owners to create softer illumination or increase intensity when appropriate.
The fixture offers selectable lighting colors, including:
White
Red
Blue
Green
Purple
Yellow-orange
Cyan
An additional automatic color-changing effect is also available.
Important: When the continuous color-changing effect is selected, timer and brightness adjustments are unavailable. The effect continues until manually switched off.
The Hygger HG990-22W features a lighting arrangement designed to complement the appearance of saltwater aquarium inhabitants.
Its combination of blue, white, and additional colored LEDs can enhance:
Marine fish coloration
Fluorescent pigments in compatible corals
Colorful aquarium invertebrates
Live rock textures
Reef-style aquarium decorations
Overall aquarium contrast and visual appeal
Blue lighting is especially popular in marine aquariums because it can make fluorescent colors appear more vivid.
However, visual brightness does not necessarily indicate coral-growing capability. The appropriate light intensity and spectrum depend on the specific species being maintained.
For coral-focused aquariums, evaluate PAR requirements and use suitable coral placement rather than relying on wattage alone.
The Hygger HG990-22W features a compact 12-inch LED light body and an adjustable mounting system.
Its clip-on bracket is designed for aquarium walls measuring less than approximately 0.9 inches (23mm) thick.
The bracket can be positioned on the front or side of compatible aquariums, allowing flexible installation based on tank layout.
The light body can also be removed from the mounting bracket and repositioned horizontally or vertically as supported by the mounting system.
This flexibility makes the HG990-22W suitable for many compact aquarium installations where a traditional full-length LED fixture may be less convenient.
The aluminum housing helps dissipate heat and provides a smooth exterior that can be cleaned easily.
The Hygger HG990-22W Apex Clip-On Light Saltwater is suitable for compatible setups, including:
Nano saltwater aquariums
Small marine fish tanks
Saltwater aquariums approximately 12–20 inches long
Small soft coral displays with suitable light requirements
Marine shrimp aquariums
Hermit crab and marine invertebrate displays
Fish-only saltwater aquariums
Reef-style decorative aquariums
Compact marine aquariums requiring automatic lighting
Aquarium setups requiring adjustable color and brightness
The manufacturer's published listings vary slightly in their stated aquarium size range, with the saltwater version commonly listed for approximately 12–20 inches and some listings extending to 24 inches. Confirm the aquarium dimensions and desired lighting coverage before installation.
Inspect the package: Confirm that the LED fixture, mounting bracket, power adapter, and instructions are present.
Choose the mounting location: Select a suitable position on the front or side of the aquarium.
Secure the clip-on bracket: Attach the bracket firmly to compatible aquarium glass.
Install the LED fixture: Position the light body securely in the mounting bracket.
Connect the power adapter: Attach the electrical connections according to the manufacturer's instructions.
Create a drip loop: Arrange the power cord so water cannot travel directly into the electrical outlet.
Switch on the light: Use the controller to activate the fixture.
Select a lighting mode: Choose the automatic 24/7 mode or customizable timer mode.
Adjust the settings: In timer mode, select the preferred lighting duration, brightness, and color.
Monitor aquarium inhabitants: Observe fish and coral responses and adjust the lighting setup when necessary.
Use a consistent lighting schedule to support a predictable day-and-night cycle.
Start with a lower brightness level when introducing new light-sensitive livestock.
Increase lighting intensity gradually rather than making abrupt changes.
Avoid leaving bright aquarium lights on continuously.
Provide a suitable period of darkness for fish and other aquarium inhabitants.
Check coral-specific lighting requirements before using the fixture for photosynthetic corals.
Disconnect electrical power before cleaning or adjusting the fixture.
Clean the aluminum housing using a soft, dry cloth.
Keep the controller, power adapter, and electrical connections dry.
Do not submerge the light fixture or controller.
Inspect the mounting bracket regularly to ensure secure installation.
Avoid placing the light near excessive heat or flammable materials.
Reset the lighting schedule after a power interruption if required.
Follow the manufacturer's operating instructions at all times.
Brand: Hygger
Product Name: Apex Clip-On Light Saltwater
Model: HG990-22W
Series: HG990
Product Type: Clip-On Marine Aquarium LED Light
Power Rating: 22W
Recommended Aquarium Length: Approximately 12–20 inches, with some listings indicating up to 24 inches
Light Fixture Length: 12 inches (30.48cm)
LED Quantity: 126
Blue LEDs: 82
White LEDs: 16
Purple LEDs: 6
Green LEDs: 2
Red LEDs: 2
RGB LEDs: 18
Lighting Spectrum: Blue-rich multicolor marine LED spectrum
Lighting Modes: Automatic 24/7 mode and customizable timer mode
Timer Settings: 6 hours, 10 hours, or 12 hours
Brightness Levels: 10%, 25%, 50%, 75%, and 100%
Selectable Colors: White, red, blue, green, purple, yellow-orange, and cyan
Additional Lighting Effect: Automatic color-changing cycle
Automatic Lighting Cycle: Sunrise, daylight, moonlight, and overnight darkness
Mounting Type: Adjustable clip-on bracket
Maximum Aquarium Wall Thickness: Approximately 0.9 inches (23mm)
Housing Material: Aluminum
Output Voltage: DC 20V
Power Cord Length: Approximately 4.9ft + 2.3ft
Recommended Water Type: Saltwater
Primary Applications: Nano marine aquariums, fish-only saltwater tanks, and suitable soft coral or invertebrate displays
Specifications are based on Hygger's published HG990 product information and user manual. Confirm the correct 22W saltwater version when ordering, as the HG990 series also includes a 14W freshwater model.
1 × Hygger HG990-22W Saltwater LED Light
1 × Adjustable Clip-On Mounting Bracket
1 × AC/DC Power Adapter
1 × User Manual
The Hygger HG990-22W Apex Clip-On Light Saltwater is a practical choice for marine aquarium owners who want attractive blue-rich illumination, automatic daily lighting transitions, and convenient brightness and color controls.
With its 126 LED chips, 22W power rating, preset 24/7 lighting cycle, customizable timer settings, and flexible clip-on mounting system, this compact LED light provides an accessible lighting solution for smaller saltwater aquarium displays.
Whether you're highlighting colorful marine fish, creating a decorative nano reef-style display, or improving the appearance of a small saltwater aquarium, the Hygger HG990-22W offers flexible lighting control in a space-saving design.
Order the Hygger HG990-22W Apex Clip-On Saltwater LED Light today and bring vibrant marine colors and convenient automatic lighting to your aquarium.
