Fluval Reef Nano 4.0 LED – 25W Smart Full-Spectrum Aquarium Light

The Fluval Reef Nano 4.0 LED is a compact and powerful lighting solution built specifically for saltwater aquariums. This 25W full-spectrum LED unit delivers the essential actinic range needed to support coral photosynthesis, healthy growth, and vibrant colouration. Designed in Germany, it combines smart technology with durable construction for reliable, professional-grade performance.

Smart features are accessible through the FluvalConnect app, allowing you to customise individual colour channels, set up 24-hour light cycles, and choose from preset or personalised lighting environments. Its high-performance build includes an IP67 rating for protection against water and dust, a precision glass lens for consistent clarity, and an aluminium alloy frame that manages heat effectively for long-term use.

Key Features:

• Full-spectrum lighting supports coral growth and rich colouration
• Smart control via FluvalConnect app with 24-hour custom light cycles
• Independent colour channel control and preset environments
• IP67-rated protection from water, moisture, and dust
• Premium glass lens for clear, consistent illumination
• Aluminium alloy frame for efficient heat dissipation and durability
• Adjustable positioning for flexible mounting options
• Designed for saltwater aquarium reliability and performance

What’s Included:

• LED light with 2m cord
• Power supply

The Fluval Reef Nano 4.0 LED offers intelligent control, reliable output, and high-quality construction – ideal for enthusiasts who demand precision lighting in their reef setups.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.