Description
Fluval Marine & Reef 4.0 LED Light 46W (88.2 – 125.8cm) — For mid-to-large marine setups delivering strong PAR output & penetrating actinic energy
The Fluval Marine & Reef 4.0 LED Light 46W (SKU: FLED89) is a powerful 46-watt lighting system built for mid-to-large marine setups between 88.2 and 125.8 cm in length. Delivering strong PAR output and deep-penetrating actinic wavelengths, it caters to demanding marine life and coral beds across larger aquarium footprints.
Fully integrated with Bluetooth Mesh, the light allows effortless wireless control via the FluvalConnect app. Users can fine-tune 7 individual spectral channels and automate smooth photoperiod transitions to replicate real-world reef lighting conditions.
Usage & Application
When to Use
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Large Reef Displays: Ideal primary light for 90–120 cm marine and coral reef aquariums.
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Deep Water Coral Coverage: Provides strong PAR penetration through deeper saltwater columns.
How to Use / Installation Process
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Extend the side brackets to match your aquarium dimensions and rest securely on the glass edges.
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Link the light fixture to the FluvalConnect app over Bluetooth.
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Select an optimised marine profile or program a custom 24-hour photoperiod schedule.
Product Specifications & Highlights
Key Features
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Full Coral Photosynthetic Spectrum: Delivers maximum energy to zooxanthellae for fast coral growth and tissue build.
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Bluetooth Mesh Networking: Group and control multiple marine fixtures simultaneously without additional hubs. App control – Choose from pre-set sky effects and infinite colour blends.
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Heavy-Duty Aluminum Body: Efficiently dissipates thermal energy to maintain peak LED efficiency. Extendable mounting brackets allow easy installation on a variety of aquarium widths
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Sealed IP67 Construction: Resists corrosion from saltwater vapour and accidental immersion.
Product Details
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Brand: Fluval
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SKU: FLED89
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Barcode (GTIN/UPC): 0015561169073
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Product Type: Aquarium Lighting / Reef LED Fixtures
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Package Dimensions: 975 mm (L) × 155 mm (W) × 70 mm (H)
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Gross Package Weight: 1950 g
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Target Environment: Saltwater & Marine Reef Aquariums
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Power & Output: 46 Watts, Number of LED’s = 252 count, 10,000K–13,000K base white dials with ~25,000K overall spectrum, CRI= 65, RGB+W LED lighting, Lifetime hours = 50,000 hr, and Size = 35–49″ inches / 88.2–125.8 cm
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LED Light Unit Protection: Advanced IP67-rated water, moisture, and dust protection with a glass lens
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Package Includes: LED light with 2 m line cord, Extendable on-tank brackets, Riser brackets, and AUS Power supply
Light Output Specification
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7 Unique Colour Bands tailored for coral zooxanthellae light capture and Number of LED’s = 252 count
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High PAR output across a wide 120° beam distribution and with Lifetime hours = 50,000 hr
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~25,000K colour tone for vibrant coral fluorescence and 90 CRI rating (Colour Rendering Index)
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Deep actinic coverage eliminating shaded areas in larger tanks, RGB+W LED lighting.


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