Innovative Lighting for Aquariums, Reptiles, Birds & Ponds

Arcadia UK has over thirty years of experience in providing world class lighting solutions to the hobbyists, professionals and distributors worldwide. In aquariums, terrariums, and aviaries, our lighting systems enhance natural brilliance, maximum health, and unparalleled performance to all environments.

About Arcadia UK

Leaders in Aquarium & Specialist Lighting for Over 30 Years

Arcadia UK is a company that has been leading in lighting technology in aquatic, reptile, bird and pond environments within a span of more than 30 years. There is hardly a company that knows the requirements of these special sectors in terms of lighting as we do. We design our products to the exact specifications to replicate natural light conditions, and our products are trusted by hobbyists and professionals in all parts of the world.

Despite the UK being a robust market, Arcadia lighting solutions are currently available in around 30 countries and there are over 90 specialist wholesalers that hold our products in the domestic market. Our quality, innovation and animal welfare endeavors have made us respected and loyal to our customers across the world.

Specialist Lighting Solutions for Every Environment

Product Categories

Browse our entire line of high performance lighting items used in aquariums, terrariums, aviaries and outdoor ponds. All the categories are designed to mimic the natural light environment, animal welfare, and provide the outstanding clarity, colour, and durability.

Freshwater Lighting

Our fresh water lighting systems will help increase the growth of your plants, improve the health of your fish and display the natural beauty of your aquarium. Get a natural daylight effect far better than sunlight which supports the growth of aquatic life.

Marine Lighting

Our lighting solutions have been designed to suit corals, reef tanks and marine fish to achieve the intensity and spectrum required to achieve vibrant colours, strong growth and natural behaviour. Perfect to those who are hobbyists and serious marine keepers.

Reptile Lighting

Your reptiles need the necessary UVB, UVA and heat to maintain good health, activity and behavioural balance. Our reptile lighting is modeled to recreate natural sunlight to the best natural habitat conditions.

Bird Lighting

The use of bird-specific lighting increases colour perception, promotes natural activity and well-being. These lamps are made to resemble natural daylight, which makes birds flourish at home and breeding areas.

Pond Lighting

Our pond lighting and UVC lamps are durable, efficient and weatherproof, and are used to preserve the clarity of the water, sustain pond life and provide a beautiful way to light outdoor areas, day and night.

Terrarium & Plant Lighting

Our terrarium lighting is made to enhance the growth of plants, regulation of humidity and naturalistic exhibits in hobbyists, enthusiasts and botanical keepers. Ideal in tropical plants, moss systems, and bioactive environments that depend on high quality and full spectrum lighting.

Lighting That Brings Out the Best in Every Habitat

Why Choose Arcadia UK?

Arcadia provides dependable, scientifically crafted lighting that is meant to enhance healthier environments, better displays and long-lasting operation.

Proven Technology

Years of research and development created into each lamp and fitting.

Designed for Natural Environments

Lighting that imitates natural sunlight and promotes the natural biological requirements of animals.

Trusted Worldwide

Sold in about 30 countries and hobbyists, breeders and professionals use it.

Quality You Can Trust

Manufacturing of products that are ISO-certified and product tests.

Award-winning standards that reflect our dedication to quality and people

Recognised for Excellence

We are proud to be rated on quality by the ISO 9001:2000 certification and the Investors in People Award which is an unprecedented success story of a company with less than 56 employees at the time.

From Our Blog

Recent Updates

The Importance of Proper Lighting for Aquatic and Exotic Pets

The Importance of Proper Lighting for Aquatic and Exotic Pets

Healthy habitats of aquatic and exotic pets are anchored by proper lighting, which recreates the nature of the wild to promote physiology, mood, and survival. Reef tanks gleam, reptile huts shine, but incompatibilities produce sickness. LED developments make it easier ...
How Lighting Affects Animal Health in Aquariums and Terrariums

How Lighting Affects Animal Health in Aquariums and Terrariums

The relationship between lighting and animal health in aquarium and terrarium is in every aspect of animal health, such as the balance of hormones and the strength of the immune system. On top of aesthetics, spectrum, time, and intensity determine ...
Understanding Full-Spectrum Lighting for Indoor Animal Habitats

Understanding Full-Spectrum Lighting for Indoor Animal Habitats

Full-spectrum lighting is a recreation of the entire spectrum of wavelengths in sunlight (380-780nm and UV), which is essential in the interior animal environments such as aquariums and terrariums. Ordinary bulbs are not good enough; these high-tech systems provide the ...
Freshwater vs Marine Aquarium

Freshwater vs Marine Aquarium Lighting: What’s the Difference?

Core Spectrum Priorities Diverge Sharply The freshwater systems prefer equal visible light between 400-700nm, and this is useful to support the red-heavy outputs on chlorophyll absorption in the tank. Amazonian biotypes grow on 6500K cool whites that resemble river dappled ...
Why UVB and UVA Lighting Is Essential for Reptiles

Why UVB and UVA Lighting Is Essential for Reptiles

The UVB and UVA lights are used to recreate the critical bands of sunlight in the captive reptiles to avoid metabolic disorders and open the natural behaviors. The species that lived in the desert such as leopard geckos or bearded ...
Choosing the Right Lighting for Bird Aviaries and Indoor Cages

Choosing the Right Lighting for Bird Aviaries and Indoor Cages

Spectrum Matching for Species Origins In tropical parrots, such as macaws, 5000-6500K full-spectrum lights that simulate equatorial daylight are required, to sustain preening and feed iridescence of the feathers. African savanna finches are able to live in temperatures below 5500K ...
How Pond Lighting Supports Water Clarity and Healthy Ecosystems

How Pond Lighting Supports Water Clarity and Healthy Ecosystems

Spectrum Control Curbs Algae Overgrowth Phytoplankton is controlled by specific wavelengths. The blue LEDs (450-470nm) replicate shallow sunlight, which among others encourages the beneficial diatoms instead of the green algae blooms. The night lights (620nm) and the red-shifted lights will ...
Energy-Efficient Lighting Solutions for Aquariums and Ponds

Energy-Efficient Lighting Solutions for Aquariums and Ponds

LED Dominance Crushes Legacy Bulbs LEDs reduce power usage 70-80 percent compared to T5 fluorescents or metal halides. A 50 gallon reef tank that is connected to 120W T5s and then reduces to 40W AI Prime and can maintain 150 ...
How Proper Lighting Enhances Color and Behavior in Fish and Reptiles

How Proper Lighting Enhances Color and Behavior in Fish and Reptiles

Chromatophore Activation Through Spectrum Peaks The correct wavelengths are used to light the pigment cells. The marine clownfish iridophores are dilated by actinics (420-480nm blues) which flash electric oranges and blacks when patrolling their territory. Discs neon blues below 6500K ...
Common Lighting Mistakes That Harm Aquatic and Exotic Animals

Common Lighting Mistakes That Harm Aquatic and Exotic Animals

Wrong Spectrum Selection Fades Vitality Narrow bulbs cause starvation of important processes. New blue tanks are used to stop the chlorophyll of the plants only, which crashes the oxygen of the tetra making it flare its gills. Marine environments devoid ...

Get Started With Arcadia UK

Whether you’re illuminating a freshwater aquarium, a reef setup, a reptile habitat, or a bird aviary, Arcadia UK offers the lighting solutions you need for a vibrant, healthy environment.