Marine One Coral Reef Light

Why You’ll Love It

Bring professional reef-quality illumination to saltwater aquariums 12-30″ with the hygger 173 Marine One Coral Reef Light, a high-performance LED system designed specifically for soft corals, LPS corals, anemones, and marine tanks. Engineered with a precision light spectrum blend, exceptional PAR distribution, and a durable mounting system, this light delivers everything marine life needs to thrive — in a sleek, slim, and reliable fixture.

Key Features

Full Marine Spectrum for Coral Growth

Each model features a targeted LED blend crafted for reef-friendly wavelengths:

• Loyal Blue LEDs: Enhance fluorescence and pop in soft and LPS corals
• Cool White LEDs: Provide balanced daylight to support full biological function
• UV 395–400 nm LEDs: Promote vibrant coral coloration
• Royal Blue LEDs (35W model): Increased intensity for deeper tanks and stronger coral growth

This spectrum is ideal for: Soft corals, LPS corals, Fish-only saltwater tanks, Low-to-medium light reef setups.

Wide Light Coverage & Strong Penetration

Engineered for optimal spread:

• HG173-19W: Maximum spread 20″ × 20″, features 48 royal blue, 24 cool white, and 24 UV LEDs.
• HG173-35W: Maximum spread 30″ × 30″, features 96 royal blue, 48 cool white, and 72 UV LEDs.

LEDs are mounted strategically to provide even, shadow-free illumination, making the fixture suitable for rimless and standard tanks.

Adjustable, Secure Mounting Bracket

The HG173 Marine One reef light includes a robust mounting bracket featuring:

• 1-inch adjustable tank-rim clamp
• Heavy-duty sliding track for height & depth adjustment
• Fit for most rimless and standard marine tanks
• Strong metal construction for long-term durability

Easy Manual Control System

Simple and direct control with physical buttons. Modes include daylight, blue-only modes, and manual blending, giving hobbyists quick customization for coral needs.

Slim, Elegant & Durable Build

• Ultra-thin 0.6″ lamp body
• High-quality aluminum alloy for excellent heat dissipation
• Quiet and energy-efficient
• Anti-corrosion marine-safe materials

A professional-grade look ideal for modern saltwater systems.

Four-Purpose Channel Flexibility

– Daylight Mode: Full-spectrum blend (White + Blue + UV) for vivid tank viewing.
– White & Blue Mode: Balanced oceanic simulation for daytime clarity.
– Blue + UV Mode: Peak coral growth and color intensification.
– Moonlight Mode: Subtle nighttime ambiance with low-intensity Blue/White pairing.

Usage Tips

Press and hold the 24Hrs button to activate Moonlight Mode, providing 3 extra hours of low-intensity light for nighttime viewing without disturbing your marine life.

Adjust the timer and intensity settings to match your aquarium’s natural day-night cycle. Use the full LED spectrum to promote coral health and enhance their vibrant colors.

Specification

Package:

1 x Light with controller
1 x DC adapter
1 x Metal bracket
1 x User manual

User manual: HG-173

Frequently asked Questions & Answers

Q: What is your recommendation for a 36″ tank with soft corals? I am also interested in a light with a built-in timer/cycler.
A: Reef light has a built-in timer below:
1. HG173-35W – 21.3″ long fixture covers 30″x30″ areas for 30″ tanks
2. HG173-19W – 10.9″ long fixture covers 20″x20″ areas for 20″ tanks.

For a 36″ soft coral tank, you can install one HG173-35W or 2 HG173-19W.
The light has dual flexibility mounting brackets for framed/frameless marine tanks. It provides the required light spectrum for the growth of corals, and the moonlight mode has 3 extra hours of low-intensity light for nighttime viewing.