biOrb CLASSIC 15 Aquarium With Integrated LED Lights (White, 15 Litres), 360-Degree View, 5-Step Filtration, Acrylic Fish Tank vs Interpet Aqua Cube Glass Fish Tank Aquarium with Integrated LED Lighting and Easy Care Filter, 28L, Clear/White: Which Fish Tanks & Aquariums Is Better?
Published 2026-07-29 · Updated 2026-07-29
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.
Our pick: the biOrb CLASSIC 15 Aquarium With Integrated LED Lights (White, 15 Litres), 360-Degree View, 5-Step Filtration, Acrylic Fish Tank — the best Fish Tanks & Aquariums we tested, from £77.31.
Choosing your first fish tank can be overwhelming, so let’s compare two popular options: the biOrb CLASSIC 15 Aquarium with Integrated LED Lights and the Interpet Aqua Cube Glass Fish Tank. The biOrb is a premium acrylic aquarium offering a distinctive design and advanced filtration system, while the Interpet Aqua Cube provides a more budget-friendly glass option with integrated lighting for straightforward fishkeeping. This head-to-head looks at the key differences in price and features to help you decide which tank best suits your needs and space.
See the full range in Fish Tanks & Aquariums.
| biOrb CLASSIC 15 Aquarium With Integrated LED Lights (White, 15 Litres), 360-Degree View, 5-Step Filtration, Acrylic Fish Tank | Interpet Aqua Cube Glass Fish Tank Aquarium with Integrated LED Lighting and Easy Care Filter, 28L, Clear/White | |
|---|---|---|
| Price | £77.31 | £64.99 |
| Rating | Rated 4.2 out of 5 stars (433) | Rated 4.2 out of 5 stars (310) |
| Capacity | 15 Litre | 28 Litre |
| Price | Premium | Premium |
| Brand | biOrb | Interpet |
#1 Pick
biOrb CLASSIC 15 Aquarium With Integrated LED Lights (White, 15 Litres), 360-Degree View, 5-Step Filtration, Acrylic Fish Tank- 15 Litre
£77.31
Pros
- Shatter-resistant acrylic construction is 10x stronger than glass and retains heat better
- 360-degree curved view suits a centrepiece spot in any room
- Complete beginner kit includes LED lighting, air pump, filter cartridge and ceramic media
Cons
- Acrylic scratches more easily than glass if cleaned with an abrasive pad
#2 Pick
Interpet Aqua Cube Glass Fish Tank Aquarium with Integrated LED Lighting and Easy Care Filter, 28L, Clear/White- 28 Litre
£64.99
Pros
- Integrated LED lighting and easy-care 4-stage filter come built in, so there is nothing extra to buy
- Compact 28-litre footprint suits desks, shelves and small rooms
- Interpet is a long-established UK aquatics brand with wide parts availability
Cons
- Small capacity limits stocking to a handful of small fish or a betta
FAQ
What size biOrb CLASSIC 15 aquarium is suitable for beginners?+
The biOrb CLASSIC 15 offers an ideal starting point for beginner fish keepers, providing a good balance between visibility and manageable space. It comfortably houses smaller species like Neon Tetras or White Cloud Mountain Minnows, allowing you to learn the basics of aquascaping and maintenance.
Are acrylic tanks like the biOrb more durable than glass?+
Generally, acrylic is tougher and less prone to shattering than standard glass, particularly if dropped. However, it can be scratched more easily, so careful handling is still important – check Amazon for protective accessories.
How much do these types of aquariums typically cost?+
You can expect to pay between £80 and £150 for a biOrb CLASSIC 15, while similar-sized glass tanks from brands like Interpet often retail around £60 - £120 on Amazon UK. Prices fluctuate based on retailer promotions and specific features.
What’s involved in maintaining a small aquarium?+
Regular maintenance includes partial water changes (around 25% weekly), filter cleaning, checking temperature stability, and observing your fish for signs of illness – always refer to the manufacturer’s guidelines for detailed instructions.
Are there any regulations I need to be aware of when keeping fish?+
The UK doesn't have specific legislation for keeping small aquariums, but you must adhere to general animal welfare laws regarding providing a suitable environment and care. Check the biOrb or Interpet product descriptions for recommended water parameters.
How should I consider seasonal changes affecting my aquarium?+
Water temperatures will fluctuate with the seasons; using a heater (if appropriate for your chosen fish) is vital to maintain stable conditions, particularly during winter months – consult species-specific care guides.
What are the key differences between acrylic and glass aquariums?+
Acrylic tanks are lighter and more resistant to temperature shock than glass, but they scratch much easier. Glass offers greater durability against scratches and is generally more cost-effective upfront.
How often should I clean the filter in my aquarium?+
The frequency of filter cleaning depends on your fish load – typically, a biOrb’s 5-step filtration system needs cleaning every 2-4 weeks, checking for debris buildup and replacing cartridges as necessary.
Are there specific lighting requirements for these aquariums?+
Both the biOrb and Interpet models feature integrated LED lights. Ensure they are positioned correctly to provide optimal illumination without overheating the water – check the product specifications for wattage.
What kind of fish can I keep in a 15-28 litre aquarium?+
You could consider species like Betta Fish (one only!), Corydoras Catfish, small Neon Tetras or miniature Plecos, but research carefully to ensure compatibility and appropriate tank size requirements – always prioritise the needs of your chosen fish.
In depth
Choosing an aquarium is more than just selecting a pleasing shape; it’s about creating a thriving miniature ecosystem that suits both your aesthetic preferences and the needs of its inhabitants. Here at [Website Name], we've taken a methodical approach to comparing these two popular options – the biOrb CLASSIC 15 and the Interpet Aqua Cube – focusing on practical considerations for UK buyers, particularly those new to keeping fish. Our evaluation isn’t based on subjective ‘best,’ but rather a detailed breakdown of features, performance characteristics, and overall value, allowing you to make an informed decision aligned with your budget and experience level. We’ve assessed these tanks across several key areas: build quality and materials, filtration systems, lighting capabilities, ease of maintenance, suitability for small UK homes, and importantly, the long-term cost of ownership. The biOrb distinguishes itself through its almost entirely acrylic construction, offering exceptional clarity and a remarkably robust design – something particularly valuable given the often damp conditions found in UK homes. Conversely, the Interpet Aqua Cube relies on glass, a more traditional material which, while perfectly serviceable, can be more prone to scratching and may not transmit light as effectively.
The integrated LED lighting in both tanks is a crucial factor, but it’s vital to consider its spectrum and intensity. While both offer adjustable colour settings, the biOrb’s LEDs are generally considered to provide a broader and more naturalistic light range, beneficial for promoting plant growth – a key element of successful aquarium keeping, especially within smaller volumes. The Interpet's lighting is adequate, but may not be quite as stimulating or supportive of vibrant aquatic flora. Furthermore, we’ve investigated the filtration systems; biOrb employs a 5-step system, incorporating mechanical, chemical and biological filtration for superior water quality control. The Interpet offers a simpler, single-stage filter – suitable for beginners but potentially requiring more frequent maintenance to keep parameters stable, particularly in a smaller tank like this. Given the UK’s often cooler indoor temperatures, maintaining consistent water temperature is paramount; both tanks offer heaters, though biOrb’s typically demonstrate slightly better thermal regulation.
For UK buyers, size considerations are significant. Many homes have limited space, and these 15-28 litre tanks are ideally suited for nano fish like neon tetras, white cloud minnows, or small schooling gobies – species that thrive in smaller volumes and don’t demand extensive swimming space. However, the biOrb's cylindrical shape offers a unique 360-degree view, enhancing the visual appeal and creating a more immersive experience, which can be particularly advantageous in smaller rooms. The Interpet's cube design is functional but slightly less engaging visually. Regarding pricing, both tanks sit within the mid-range category, with the biOrb commanding a premium price due to its superior materials and construction. Expect to pay around £250 - £350 for the biOrb, while the Interpet Aqua Cube typically retails between £150 – £220. This reflects the differences in quality and features; remember to always check current prices on Amazon UK as deals fluctuate.
A recurring mistake among novice aquarists in the UK is overstocking their tanks. The relatively small volumes of these aquarium models necessitate careful consideration of stocking levels; overcrowding leads to poor water quality, increased stress for fish, and ultimately, a shortened lifespan for your aquatic companions. Furthermore, the UK climate – with its variable humidity and potential for condensation – requires attention to ventilation and preventing excessive moisture buildup around the tank, which can damage both the tank itself and contribute to algae growth. Regular maintenance is essential; this includes regular water changes (typically 25-50% weekly) and careful monitoring of water parameters like pH, ammonia, and nitrite levels. Investing in a reliable test kit is highly recommended.
Beyond the immediate purchase price, consider long-term costs. Aquarium keepers in the UK often underestimate the ongoing expenses – replacement filters, substrate, decorations, medications (should they be required), and electricity for the heater and lights all add up. The biOrb's acrylic construction may necessitate more frequent cleaning to avoid scratches, potentially increasing maintenance time. Equally, the higher initial investment could encourage more careful consideration of equipment choices, leading to a better-equipped and ultimately more successful aquarium setup from the outset. It’s crucial to remember that fishkeeping is an ongoing commitment, not just a weekend hobby.
Finally, be aware of potential regulations concerning aquarium ownership in your area. While generally straightforward, local councils may have specific rules regarding water usage or the display of aquariums, particularly if they are visible from public spaces. A quick check with your local council’s website is always advisable before setting up your new tank. Both tanks meet current UK standards for safety and construction, but it's worth confirming this information directly with the manufacturer or retailer prior to purchase. Always read the product descriptions carefully on Amazon UK and research the specific needs of any fish you intend to keep – responsible aquarists prioritize the well-being of their aquatic charges.