Description
Product Overview
Make your daily tank care easier with the adaptable Hygger HG978 Advanced Spectrum Aquarium LED Light. Designed for freshwater communities and planted setups, it uses a dense matrix of premium RGB LEDs to deliver a clean, natural 6500K spectrum. The result is bright, high‑CRI lighting that boosts steady plant growth while bringing out the true, iridescent colors of your fish and shrimp.
Key Features & Benefits
High-CRI 5050 & RGB Diode Array: Emits a gentle, flicker-free full spectrum that maximizes plant light penetration while forcing livestock coloration to pop.
3 Versatile Lighting Modes: Features an automated 24/7 sunrise‑to‑moonlight cycle, preset timer blocks (6, 10, or 12 hours), and a fully customizable DIY mode with 7 color choices and adjustable intensity settings.
9 Stages of Dimming Control: Allows you to fluidly scale your light output from 10% up to 100%, giving you precise control over target PAR values and photoperiod energy.
Thickened Aluminum Heat Sink: Premium aluminum housing acts as an efficient passive heat sink, pulling thermal energy away from circuitry to preserve a 50,000-hour operational lifespan.
Heavy-Duty Water Resistance: Durable sealed construction easily withstands routine water splashes, heavy condensation, and accidental spills.
Extendable Mounting Brackets: Heavy-duty metal legs slide outward smoothly on both ends, allowing a single fixture to adapt securely onto freshwater aquariums ranging from 12 to 54 inches in length.
Modular Quick-Disconnect Adapter: Features a separable smart power cord design for effortless maintenance and simple part replacements.
Technical Specifications
Please review the model specifications below to select the ideal fixture length for your aquarium footprint.
Model
Light Panel Dimensions (L x W x H)
Fits Tank Size Range
Luminous Flux
Power Consumption
LED Count
Operating Voltage
Hygger HG978-14W
11.8″ x 4.3″ x 1.0″ (30.0 x 10.9 x 2.5 cm)
12″ – 18″ (30 – 45 cm)
817 Lumens
14 Watts
58 LEDs
110–120V / 220–240V
Hygger HG978-18W
17.7″ x 4.3″ x 1.0″ (45.0 x 10.9 x 2.5 cm)
18″ – 24″ (45 – 60 cm)
1,075 Lumens
18 Watts
98 LEDs
110–120V / 220–240V
Hygger HG978-22W
23.6″ x 4.3″ x 1.0″ (60.0 x 10.9 x 2.5 cm)
24″ – 30″ (60 – 75 cm)
1,583 Lumens
22 Watts
113 LEDs
110–120V / 220–240V
Hygger HG978-26W
29.5″ x 4.3″ x 1.0″ (75.0 x 10.9 x 2.5 cm)
30″ – 36″ (75 – 90 cm)
1,662 Lumens
26 Watts
130 LEDs
110–120V / 220–240V
Hygger HG978-36W
35.4″ x 4.3″ x 1.0″ (90.0 x 10.9 x 2.5 cm)
36″ – 42″ (90 – 105 cm)
2,728 Lumens
36 Watts
153 LEDs
110–120V / 220–240V
Hygger HG978-42W
47.2″ x 4.3″ x 1.0″ (120.0 x 10.9 x 2.5 cm)
48″ – 54″ (122 – 137 cm)
2,815 Lumens
42 Watts
215 LEDs
110–120V / 220–240V
What’s Included
1x Hygger HG978 Advanced Spectrum LED Light Panel (Selected Wattage Model)
2x Extendable Stainless Steel Mounting Brackets
1x Inline Digital Controller Unit
1x Modular Quick-Disconnect Power Adapter Unit (7.2 ft total cable length)
Frequently Asked Questions
1. How does the 24/7 automated mode function on the Hygger HG978?
The 24/7 automated mode simulates a natural day-to-night sun cycle. Setting your local time allows the light to transition smoothly from a soft warm orange sunrise in the morning, to bright 6500K white daylight at midday, down to a deep blue moonlight in the evening before powering down overnight.
2. What is the difference between the DIY mode and the preset timer settings?
Preset timers allow you to choose a simple 6, 10, or 12-hour full-spectrum photoperiod. DIY mode gives you total customization, allowing you to select from 7 distinct colors and 9 brightness stages (10% to 100%) to match your specific plant species and visual preference.
3. Is the Hygger HG978 suitable for growing aquatic plants?
Yes! With its 6500K full-spectrum output and high-CRI RGB diodes, the HG978 provides the exact light spectrum required to promote healthy photosynthesis in low-to-medium tech planted aquariums.
