Description
Fluval Plant Spectrum 4.0 LED Light 32W (58.9- 88.9 cm) — Lighting strip blending multiple LED wavelengths drives photosynthesis for planted tanks
The Fluval Plant Spectrum 4.0 LED Light 32W (SKU: FLED81) is a 32-watt full-spectrum LED lighting strip designed for planted tanks measuring 58.9 to 88.9 cm wide. It blends multiple LED wavelengths tailored to drive plant photosynthesis and highlight biological colours.
With spectrum-specific output, the Plant 4.0 LED delivers brilliant illumination and optimised light intensity for aquatic plants. The superior CRI rating guarantees vibrant colours, bringing your aquascape to life. Featuring Bluetooth Mesh technology, multiple lights can be grouped and synchronised seamlessly via the mobile app, offering complete control over colour spectrum and dimming schedules. With FluvalConnect app control, you can conveniently adjust all light settings from your mobile device.
Usage & Application
When to Use
- Mid-Sized Planted Tanks: Primary illumination for standard 60–80 cm aquascapes.
- Custom Spectrum Tuning: Perfect for aquarists wanting precise control over individual colour channels.
How to Use / Installation Process
- Mount using the extendable position arms over the open aquarium top.
- Connect to power and link the device using the FluvalSmart App.
- Set customised sunrise/sunset times and adjust spectrum intensity levels.
Product Specifications & Highlights
Key Features
- Bluetooth Mesh Integration: Connect and group multiple Fluval 4.0 lights effortlessly using its mobile app. The app has preset environments, which allow you to choose from several convenient planted aquarium profiles. The app is like an aquarium management tool for maintenance reminders, water parameters, livestock lists, photo library and more!
- Programmable 24-Hour Schedule: Simulates natural sun movement from dawn through night. Customise sunrise, mid-day, dusk, and night settings to mimic natural sun and moon cycles. Customisable Colour Spectrum allows you to be in full control! You can adjust colour output and intensity to suit your aquascape.
- Aluminium Thermal Design: Heatsink casing ensures cool operation and extended LED lifespan. Multiple operating options like Manual / Auto / Pro Operating Modes; you can also create light groups – pair and control multiple light units simultaneously. Excellent CRI Rating: Guarantees true and vibrant colours for an authentic viewing experience. Superior PAR Values: Improved Photosynthetic Active Radiation at all aquarium depths.
- IP67 Waterproof Rating: It has advanced waterproofing with an IP67 rating, which provides water and dust ingress protection and assures additional peace of mind. It resists water intrusion and high humidity inside aquarium hoods.
Product Details
- Brand: Fluval
- SKU: FLED81
- Barcode (GTIN/UPC): 0015561168861
- Product Type: Aquarium Lighting / Planted LED Fixtures
- Package Dimensions: 685 mm (L) × 155 mm (W) × 70 mm (H)
- Gross Package Weight: 1400 g
- Target Environment: Freshwater Planted Aquariums
- Power & Output: 32 Watts, 90 CRI rating, 2,550 lumens, 7500K colour temperature and Size = (23–35″ inches / 38-63 cm)
- LED Light Unit Protection: Advanced IP67-rated water, moisture and dust protection
- Package Includes: LED light with 2 m cord, Extendable riser brackets and AUS Power supply
Light Output Specification in Diagram Visual Graph
- 90 CRI rating (Colour Rendering Index)
- 2,550 lumens
- 7500K colour temperature
Flexible Mounting Options Explained in Image Diagrams
Easy installation on a variety of aquarium widths and setups.





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