Best Aquarium Lights Deals Online in the UK (25 Deals Found)

Last Updated - 09/09/2026 Sort By:

Best Choice
VARMHUS

New
VARMHUS LED Aquarium Light, Color Changing Submersible Fish Tank Light with Timer for Sunrise and Sunset (18cm, Blue+Whi
Sunrise and Sunset - Our fish tank lighting equipped with a 24-hour aquarium light timer, which simulates sunrise and su

£9.99 £10.99
SEAOURA

New
SEAOURA Led Aquarium Light for Plants-Full Spectrum Fish Tank Light with Timer Auto On/Off, Adjustable Brightness, White
★[DIY MODE]: Time, Colour and Brightness 3 setting choose. Timing (Timer control key): 3 choices timer running for 6 hou

£18.99
New
Submersible Aquarium Light Underwater RGB Multicolour LED Lights for Fish Tank
The LED technology ensures energy efficiency and longevity, providing vibrant light for your aquatic plants and inhabita

£34.99
SEAOURA

New
SEAOURA Submersible Aquarium Lights for Fish Tank with Timer, 24/7 Cycle
24/7 Cycle Mode: Our aquarium light features an advanced design that allows you to PREVIEW the color and intensity of th

£23.99
New
Aquarium Fish Tank Submersible LED Light Lamp Tube Bar White & Blue - UK Plug
These LED light units can be mounted in the hood of the aquarium to illuminate the tank from above, or alternatively, th

£26.99
VARMHUS

New
VARMHUS Submersible LED Aquarium Light,Fish Tank Light with Remote Controller&APP Control,DIY Full Spectrum Optional Col
【Smart Bluetooth Connection and Timed】Fully full Bluetooth enable application, which allows you to choose from 16 millio

£14.49
Best Value
VARMHUS

New
VARMHUS Submersible LED Aquarium Light, 18 cm Underwater Fish Lamp Waterproof Aquarium Lighting for Fish Tank (Blue and
Waterproof--With waterproof IP67 rating, this LED light Bar could be submerged entirely under or above the water.

£10.59 £10.99
New
Aquarium LED Lights Air Bubble Diffuser Light Bar Waterproof Fish Tank Light
Fish Tank Light Waterproof Aquarium LED Lights Air Bubble Diffuser Light Bar. Crafted with precision and reliability in

£20.99
AQQA

New
AQQA Fish Tank Light, Full Spectrum Aquarium Lights Clip on for 30-40cm
HIGH QUALITY AQUARIUM LIGHT - The widened and thickened aluminum shell is more beautiful and durable; Wider surface make

£27.99
New
UK Aquarium Fish Tank LED Light Over-Head Full Spectrum Plant Lighting Lamp
Description: ☆ The light is full spectrum ☆ Full-spectrum light is the electromagnetic spectrum covering from infrared t

£39.80
NEOAQLUX

New
NEOAQLUX 24/7 LED Aquarium Light for 30-45cm Plant & Fish Tank, 12-Color & Gradient & Full Spectrum with Auto On/Off IP6
🐠Full Spectrum & 12 Color Options with Gradient Mode: Featuring high-quality 5050 & 2835 LEDs, this aquarium light offe

£16.99 £17.98
SEAOURA

New
SEAOURA Led Aquarium Light with Timer, Fish Tank Light for Plants 38CM
★DIY MODE: Time, Colour and Brightness 3 setting choose. Timing(Timer control key): Built-in timer for 6 hours, 10 hours

£18.99
New
Full Spectrum Aquarium Light LED Fish Tank Plant Lighting Lamp w/ Timer UK Plug
Description: ☆ The light is full spectrum ☆ Full-spectrum light is the electromagnetic spectrum covering from infrared t

£30.90 £139.28
GERUI

New
GERUI LED Aquarium Light 6W Nano Freshwater Plant Light with UK Plug - 87.5 Light with high Color Rendering for Aquatic
【High quality material】 The shell is made of high quality ABS material with high hardness, durability, non-toxic and env

£9.49
Used
Dennerle Trocal 40cm 18W High Output Aquarium Aquascaping Light
This is the 40cm 18W variant of the Dennerle Trocal high output aquarium aquascaping light.

£63.10
15% Off
Zingbabu

New
Zingbabu Fish Tank Light 8W Full Spectrum USB Aquarium Light with Timer, Adjustable Extendable Bracket for 30-45CM Aquar
【8W 5730 LED Aquarium Lights 】: The 9 inch aquarium light contains 6500K White (18 led beads) , 450-455nm Blue (6 led be

£8.49 £9.99
New
NEW| Full Spectrum 60-140cm Aquarium Light Fish Tank LED w/ Timer Plant Lighting
WOINO RGBW-LED Aquarium Lighting. - Night Mode (soft moonlight). ➔ Transform your aquarium with professional lighting! l

£29.95
Used
Juwel Multilux Aquarium Light With LED Upgrade For Trigon 190 Or Lido 200
Juwel Multilux Aquarium Light With LED Upgrade For Trigon 190 Or Lido 200. This is the standard multilux light but it ha

£47.50
New
Aquarium Fish Tank Submersible LED Light Lamp Tube Bar White & Blue - UK Plug
Waterproof, super strong lamp beads and high brightness. Lamp bead model: 5730. (1) Bluewhite light, cool and bright, su

£6.95
New
Aquarium Fish Tank Submersible LED Light Lamp Tube Bar White & Blue - UK Plug
Waterproof, super strong lamp beads and high brightness. Lamp bead model: 5730. (1) Bluewhite light, cool and bright, su

£9.95
New
30-115CM Aquarium Fish Tank LED Light Over-Head Full Spectrum Plant Lighting UK
Product Description: .

£30.90 £128.45
New
LED Aquarium Lights Submersible White/Blue/RGB Light for Fish Tank Underwater
Light Color Options: RGB. 1 x LED Aquarium Light Bar (Your Selected Size). Place it at the bottom, top, or anywhere in y

£13.99
Used
Fluval LED Plant Aquarium Light Unit 24in/61cm 32W Bluetooth MPN 14521
The Fluval LED Aquarium Light Unit is a 24-inch-long light unit designed for all water types. With a wattage of 32W and

£68.30
New
Aquarium Fish Tank LED Light Over-Head Full Spectrum Plant Lighting Lamp New UK
Description: ☆ The light is full spectrum ☆ Full-spectrum light is the electromagnetic spectrum covering from infrared t

£39.80
New
30-115CM Aquarium Fish Tank LED Light Over-Head Full Spectrum Plant Lighting UK
Description: ☆ The light is full spectrum ☆ Full-spectrum light is the electromagnetic spectrum covering from infrared t

£30.90

25 Aquarium Lights deals are available from: Amazon, eBay stores, starting from £6.95.
The biggest discount we found is 15% on Zingbabu Fish Tank Light 8W Full Spectrum USB Aquarium Light with Timer, Adjustable Extendable Bracket for 30-45CM Aquarium at Amazon.
The lowest price we found is £6.95 while the highest is £68.30.
Prices for the best Aquarium Lights deals average at £26.20.
Last updated on September 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Aquarium Lights.