
Fluval Reef 4.0 LED
Best price now
26% under what the other stores charge
Compared across 17 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.
Ask our agent about this product
It checks today's price at every store, compares the alternatives and answers in about a minute.
Price facts
- Lowest price today: $171.99 at Amazon (checked Nov 13, 2026).
- Checked at 17 stores.
Fluval Reef 4.0 LED prices at every store
- AquaCave.comNew
In stock
$171.99Free shippingChecked 9 h ago - Phil's PetsNew
In stockShips from Canada · duties may apply
$197.00Checked 9 h ago - Petco.comNew
In stock
$199.99Free shippingChecked 9 h ago - SaltwaterAquarium.comOpen box
In stock
$234.99Free shippingChecked 9 h ago - Pet O PetsNew
In stockReturn policy
$260.00Checked 9 h ago - KensFish.comNew
In stockReturn policy
$268.99Checked 9 h ago - Blue Fish AquariumNew
In stockReturn policy
$269.99Checked 9 h ago - Bay Bridge AquariumNew
In stockReturn policy
$289.99Checked 9 h ago - PetEsentialsNew
In stockReturn policy
$375.00Checked 9 h ago - AmazonNew
Availability unknown
As an Amazon Associate, Deal.ai earns from qualifying purchases.
$171.99Free shippingChecked 9 h ago - The Hidden ReefNew
Availability unknown
$171.99Checked 9 h ago - marineandreef.comNew
Availability unknown
$171.99Checked 9 h ago - Blue Fish AquariumNew
Availability unknown
$171.99Checked 9 h ago - The Fish RoomNew
Availability unknown
$214.99Checked 9 h ago - eBayNew
Availability unknownSold by marineandreef1998
$231.99Checked 9 h ago - WalmartNew
Availability unknownSold by Seller
$329.99Checked 9 h ago - Reeflifeaquariums.comNew
Availability unknown
$349.99Checked 9 h ago
Also available at
- The Fish RoomCheck price at The Fish Room
Store links may earn us a commission.
Fluval Reef 4.0 LED price history
Lowest price we've seen: $171.99 on Nov 13 at AquaCave.com. Tracked across 10 stores since Nov 13.
About the Fluval Reef 4.0 LED
The German-engineered Fluval Reef 4.0 LED doesn’t just illuminate your saltwater aquarium, it transforms it. With its critical actinic range, this full-spectrum lighting system gives your corals exactly what they need to photosynthesize, grow, and show off their most vibrant colors. The best part? You can control everything from your smartphone. The FluvalConnect app puts you in charge of independent color channels, 24-hour lighting cycles, and even special effects. You can choose from several pre-set environments or create your own perfect underwater world. Built to last, the Reef 4.0 LED features advanced IP67-rated protection against water, moisture, and dust, along with a glass lens delivering crystal-clear illumination that won’t degrade over time. Installation is a breeze, whether you prefer extendable brackets, adjustable risers, or a suspended display, you’ve got options to mount the light exactly where you need it.
• Powerful full spectrum lighting for maximum coral growth, color and health
• Customizable, independently controlled color channels
• Operated exclusively via the FluvalConnect mobile app
• Programmable 24-hour light cycle – adjust sunrise, mid-day, dusk, and night settings to mimic natural sun and moon cycles
• Preset environments – select from several convenient aquarium profiles
• IP67 advanced water, moisture and dust protection with high quality glass lens
• Aluminum alloy frame dissipates heat evenly to improve lighting efficiency and longevity
• Extendable brackets accommodate a range of aquarium widths for on-tank mounting
• Riser brackets allow adjustable vertical positioning (included)
• Optional suspension kit sold separately (Item #A20482)
• Engineered in Germany
What’s Included
• LED light with 2 m line cord
• Extendable riser brackets
• Power supply
Questions and answers
- Where is the Fluval Reef 4.0 LED cheapest?
- At Amazon, for $171.99, 26% under what the other stores charge, as of our latest check.
- What do buyers say about the Fluval Reef 4.0 LED?
- Rated 4.5 out of 5 from 4 ratings.
- Where can I buy the Fluval Reef 4.0 LED?
- 16 stores we checked sell it, including KensFish.com, Blue Fish Aquarium, Pet O Pets, Phil's Pets, Bay Bridge Aquarium.












