hygger Submersible LED Aquarium Light – 21W, 23in, 24/7 Cycle, IP68, 5-Row LEDs, Full Spectrum

Bright, versatile lighting for your aquarium

Meet the Hygger Submersible LED Aquarium Light. With 21 watts of power and a 23-inch length, it is designed for tanks from 24 to 43 inches. It delivers a vivid, full-spectrum glow that helps reveal the true colors of fish, plants, and décor beneath the water’s surface, creating a compelling underwater scene.

Five-row brightness and rich color

The light uses five rows of high-quality LEDs (including 2835 and 5050 chips) for brighter, more even illumination. A total of 150 LEDs spread across white, blue, red, green, and RGB channels deliver a wide color palette and high color fidelity, so your tank looks vibrant day after day.

• Five-column LED array for brighter, more even lighting
• Long-lasting components with up to 50,000 hours of life
• Full-spectrum RGB LEDs to showcase plant and fish hues

A natural day-to-night rhythm, every day

The fixture simulates a 24/7 light cycle with a gentle 15-minute ramp, transitioning from warm morning tones to a bright noontime spectrum and a soft blue evening glow. The result is a dynamic, layered look that can enhance the sense of depth in your aquarium without jarring changes.

• Simulated day-night cycle for a natural feel
• Gradual transitions reduce abrupt lighting changes
• Compatible with 24- to 43-inch tanks

DIY mode for personalized control

Use the DIY mode to tailor time, brightness, and color to your preferences. Choose from five timer options (4h, 6h, 8h, 10h, 12h), ten brightness levels, and a color menu with White at 6500K, Blue, Red, Green, Pink, Purple, Orange, Cyan, plus a Cycle Color option.

• Time: 5 options for flexible scheduling
• Brightness: 10 levels to fine-tune intensity
• Color: multiple presets plus cycle mode

Durability and versatile placement

With an IP68 waterproof seal, the light is fully submersible and designed for aquatic environments. Two robust suction cups let you attach it to the tank rim or bottom edge for flexible placement and reliable stabilization.

• IP68 waterproof rating for underwater use
• Submersible design with secure mounting options
• Cord lengths: 6 ft power cord plus 4.8 ft extension cord

Technical snapshot

• Power: 21W
• LEDs: 150 total (White 50, Blue 30, Red 5, Green 5, RGB 60)
• CRI: 89
• Application: 24–43 inch tanks
• Input/Output: AC 100–240V to DC 20V
• Color temps: White 6500K, Blue 455 nm, Red 620 nm
• Illuminance: 5267 lx