Aquariums

Discover the best aquariums and essential gear on Wowcher UK. Whether you want a compact desktop glass aquarium or a large acrylic aquarium setup, our curated deals bring you substantial savings on fish tanks, aquarium stands, and complete starter kits. From beginners to seasoned hobbyists, you’ll find everything you need to create a thriving underwater world with reliable filtration, lighting, and decor, all at great prices.

Our selection covers freshwater aquariums, marine aquariums, nano tanks, and specialised setups like betta tanks and tropical fish tanks. Look for bundles that include essential gear such as filters, heaters, LED lighting, substrate, and testing supplies, so you can set up quickly and with confidence.

Unbeatable Deals on Online Aquariums

Browse featured discounts on glass aquariums and acrylic aquariums, with popular sizes from compact 5–10 litre desktop tanks to larger 100+ litre systems suitable for community setups. Save on fish tank stands that provide sturdy support and stylish finishes, and on complete starter kits that include a canister filter or hang-on-back filter, a heater, and a basic test kit for quick monitoring. Whether you’re after a nano aquarium for a desk or a multi-tank freshwater setup, Wowcher has deals that fit.

Our platform highlights trusted brands and accessories, with savings on aquarium lighting, filter media, substrate (gravel and sand), water conditioners, and everyday essentials like thermometers and maintenance kits. You’ll also find deals on marine equipment such as protein skimmers, calcium reactors, and reef-safe lighting for reef tanks.

What to Consider When Choosing an Aquarium?

First, assess the available space and select the right aquarium size and shape. A tank should fit comfortably, with room for stand and stand storage, while maintaining access for maintenance. Materials matter: glass aquariums are typically scratch-resistant, whereas acrylic aquariums are lighter and shatter‑resistant but may require more cleaning to prevent scratches. Decide on a suitable lid or hood to minimise evaporation and keep fish safe. Filtration is essential; choose between internal, hang-on-back, or canister filters depending on bioload and maintenance preferences. Lighting should suit your inhabitants and plant growth, with energy-efficient LED options. Consider a sturdy fish tank stand that aligns with your decor and supports the tank’s weight.

For beginners, a comprehensive starter kit that includes a compatible filter, heater, simple test strips, a conditioner, and basic care guide can simplify setup. If you’re budgeting for a larger community or marine setup, plan for additional equipment like a dependable filtration system, a reliable protein skimmer, and appropriate water testing gear to maintain optimal water parameters.

What Are the Most Popular Types of Aquariums?

Freshwater fish communities are among the most common, offering versatile layouts in tropical fish tanks with colorful schooling species. Betta tanks are popular for compact spaces, though care should be taken to provide proper filtration and heat. Nano tanks are ideal for desks or shelves, enabling hobbyists to experiment with plant cultivation and small fish. For enthusiasts, marine aquariums and reef tanks require precise water chemistry, reliable protein skimmers, calcium balance, and robust lighting to support corals and invertebrates. You’ll also find options for brackish tanks and specialized setups like planted aquariums that emphasise aquatic plants alongside fish.

Whether you prefer a traditional rectangular form or a modern bowfront, there are glass and acrylic variants to fit your space and aesthetic. Explore bundles with everything you need to start a freshwater aquarium or a more advanced marine aquarium, including stands, lids, lighting, filtration, and testing gear.

How to Maintain an Aquarium?

Regular maintenance is key to a healthy aquatic environment. Test water parameters weekly using a basic test kit to monitor pH, ammonia, nitrite, nitrate, and, for marine tanks, salinity. Perform partial water changes (about 10–25%) to remove waste and replenish minerals. Clean filter components according to the manufacturer’s guidance, replace media as needed, and avoid overfeeding, which can foul the water. Wipe algae from glass and silicone seams with non-abrasive tools to preserve clarity. Use a water conditioner and ensure heater and thermometer are functioning properly to keep stable temperatures. A well-maintained aquarium with the right balance of fish, plants, and biofilm will reward you with clear water, healthy inhabitants, and spectacular viewing.

Keep your aquatic setup running smoothly with our range of aquarium decor, live or artificial plants, and safe substrates. Wowcher UK makes it easy to maintain a beautiful tropical fish tank or a serene reef tank by offering bundles that cover both essential and premium equipment in a single purchase.

What Accessories Do I Need for a Freshwater Aquarium?

Beyond the tank itself, essential components include a reliable filter (internal, hang-on-back, or canister), an appropriate heater for tropical species, a precise thermometer, and a good substrate such as gravel or sand. Stock up on a quality water conditioner, a basic test kit for weekly checks, and replacement filter media. Add a calibrated lighting system suitable for plants or corals, plus safe decor and real or artificial plants to create natural hiding spots and a visually appealing aquarium. Don’t forget nets, siphons, and maintenance tools to simplify weekly chores and keep your water pristine.

With Wowcher UK, you can equip your freshwater aquarium or marine aquarium with confidence, knowing you’re getting value on trusted gear and popular accessories designed to promote healthy fish and vibrant plant life.

How to Set Up a Marine Aquarium?

A successful marine setup begins with careful planning, cycling the tank, and matching salinity to the inhabitants. Invest in a reliable protein skimmer, a stable protein and calcium balance with appropriate additives, and robust lighting to support corals and invertebrates. Use a quality canister filter or reliable reef-ready filtration to maintain water clarity and nutrient balance. Regular monitoring of salinity, alkalinity, calcium, and magnesium is crucial. Budget for a maintenance routine, including regular water changes and the use of reef-safe treatments and conditioners. With the right gear and a little patience, you can enjoy a thriving marine aquarium that’s perfect for observing coral growth, colourful fish, and natural reef dynamics.

Explore Wowcher UK for deals on reef tanks, nano reefs, marine lighting, and practical starter bundles that include essential equipment, enabling you to begin your marine journey without overextending your budget.

Ready to dive in? Browse our extensive selection of aquariums and accessories on Wowcher UK today and grab notable savings on everything from compact betta tanks to expansive freshwater and marine setups.