Pets · Beginners
Bird & Aquarium Supplies for Beginners
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the All Pond Solutions 1400EF Aquarium External Fish Tank Water Filter for Tanks Up to 600 Litres, Full Kit — the best Bird & Aquarium Supplies we tested, from £74.99.
Starting a bird or aquarium hobby can seem overwhelming when you’re just beginning – the sheer variety of products and specialist terms can be quite confusing. For your first purchase, it’s really useful to focus on essentials like a suitable tank or cage size, a basic filter appropriate for the type of animal you're keeping, and some food; details about advanced features or complex equipment can often be safely ignored until you have more experience. You'll find many options available on Amazon UK from brands such as All Pond Solutions, Aqueon and Interpet to help you get started.
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#1 Pick
All Pond Solutions 1400EF Aquarium External Fish Tank Water Filter for Tanks Up to 600 Litres, Full Kit- Plastic
£74.99
Pros
- Handles tanks up to 600 litres with 1400L/H flow
- Full kit includes filter media, hose and spray bar
- Suits coldwater, tropical or marine set-ups
Cons
- Larger footprint needs cabinet space behind the tank

Currently unavailable
Pros
- Multi-stage filtration keeps water clear
- Quiet motor suited to living-room tanks
- Rated for tanks up to 20 gallons
Cons
- Replacement cartridges are an ongoing cost

#3 Pick
Interpet Internal Aquarium Fish Tank Filter, Bio CF Mini, High Flow Silent Filtration, 12-35 Litre- 12-35 litre
£24.95
Pros
- Compact size suits small coldwater and tropical tanks
- Coir Tech Bio cartridges are plastic-free and simple to swap
- High flow filtration stays quiet enough for a living room
Cons
- Rated only for tanks up to 35 litres

#4 Pick
Interpet Internal Aquarium Fish Tank Filter, Bio CF1, High Flow Silent Filtration, for Coldwater & Tropical 36-68 Litres- Plastic
£15.59
Pros
- 5-stage filtration keeps water clear for coldwater and tropical tanks
- Coir Tech Bio cartridges are simple to swap monthly
- Sucker-mounted cradle makes installation straightforward
Cons
- Sized for tanks up to 68 litres only — larger tanks need the CF2
FAQ
What’s the difference between a bird bath and a bird table?
A bird bath provides a shallow source of water for birds to drink and bathe, while a bird table offers a raised platform where they can perch and access food – you'll likely want both eventually.
I’ve bought a starter aquarium; what are ‘cycling’ and beneficial bacteria?
‘Cycling’ refers to establishing a colony of beneficial bacteria in your tank which convert harmful ammonia into less toxic nitrates. This takes several weeks and is crucial for your fish's health, so research this process thoroughly.
My bird needs perches – what kind should I get?
Variety is key; offer perches of different sizes and materials like wood, rope, and coconut to help maintain your bird’s foot health and prevent boredom.
What's the best way to feed my fish initially?
Start with small, frequent feedings – a pinch of flake food three times a day is generally sufficient for most beginner aquarium fish.
I’ve bought some bird seed; how much should I put out?
Begin with around 1-2 tablespoons per feeding session and adjust based on your birds' appetite and the type of seed you're using – always provide fresh food daily.
What are aquarium ‘test kits’ for?
Test kits measure water parameters like pH, ammonia, nitrite, and nitrate; monitoring these is essential to maintain a healthy environment for your fish and allows you to address any imbalances quickly.
My bird keeps trying to fly out of the cage – what can I do?
Ensure your cage is appropriately sized for your species and that it’s securely fastened, as well as providing plenty of enrichment such as toys and perches.
What's a ‘substrate’ in an aquarium?
Substrate refers to the material covering the bottom of your tank – gravel or sand are common choices that provide a surface for beneficial bacteria to colonise.
I’ve bought some bird food; how long will it last?
Most bagged bird seed has an expiry date, typically around 6-12 months, so check the packaging before purchasing and store in a cool, dry place.
What are ‘fish flakes’ and ‘pellets’? Are they different?
Fish flakes are small, floating food ideal for surface-feeding fish, while pellets sink to the bottom and are more suitable for bottom-dwellers – consider your fish's diet when choosing.
In depth
Let’s start by understanding what makes a good environment for your new feathered friend – or small aquatic creature. The key thing to remember is that both birds and fish have very specific needs when it comes to their water and air quality, temperature, and the items within their enclosures. Don't be overwhelmed by fancy equipment; a few simple things will go a long way in creating a healthy and happy home for them.
Firstly, consider the tank itself. For fish, you’ll need an aquarium – essentially a glass box filled with water. The size will depend on what kind of fish you want to keep. A small goldfish needs a relatively small tank (around 10 gallons), but larger tropical fish need much bigger spaces. Don't buy too big initially; it’s better to be able to manage a smaller environment effectively than have a huge, empty one. For birds, you'll likely be looking at a flight cage – a large, secure enclosure that allows them to fly around safely. Again, size is important here, considering the bird's species and activity level. A larger cage will give them more room to move and play, but ensure it’s appropriately sized for their needs and can be securely fastened.
Water quality is absolutely crucial, particularly for your fish. Fish are incredibly sensitive to changes in water chemistry, so you’ll need a filter – this is a device that circulates the water through sponges and other materials, removing waste and keeping it clean. A small internal filter is perfectly adequate for a goldfish or smaller tropical fish. For larger tanks or more demanding fish, you might consider an external filter which sits outside the tank and provides more filtration capacity. Regular partial water changes are vital too – this involves siphoning out about 25% of the water every week or two, replacing it with fresh, dechlorinated water. Dechlorination is essential because tap water contains chlorine and chloramine, which are toxic to fish. You'll need a product like Seachem Prime to remove these chemicals safely. Birds, while less sensitive to water directly, benefit from regular cage cleaning – spot-cleaning daily and a thorough clean weekly with bird-safe disinfectant.
Next, let’s talk about heating and lighting. Fish typically require heaters to maintain the correct temperature for their species – tropical fish need warm water, while others prefer cooler conditions. A submersible heater is a simple and reliable option. Lighting isn't as critical for most fish but can be beneficial for viewing them and supporting plant growth (if you’re adding aquatic plants). Birds absolutely *need* lighting – they have special light receptors in their eyes that allow them to see colours, and without adequate light, they won't thrive. A full-spectrum bird lamp is a good investment, providing the necessary wavelengths for optimal health and behaviour.
Substrate is the material at the bottom of the tank or cage. For fish, you’ll typically use gravel or sand – this provides a surface for beneficial bacteria to grow, which helps break down waste. Birds need a suitable base for their feet – wood shavings (avoid cedar!), paper-based bedding, or specially designed bird substrates are all good options. Regularly cleaning the substrate is important; vacuuming it regularly removes accumulated debris and prevents the build-up of harmful bacteria.
Now, what about accessories? For fish, you’ll want decorations like rocks, driftwood, and plants – these provide hiding places for your fish and create a more natural environment. Live plants are beneficial as they help oxygenate the water and absorb nitrates. For birds, perches of different sizes and materials are essential to keep their feet healthy. Provide plenty of toys too – swings, bells, shredding paper – to keep them entertained and stimulated. Don’t overcrowd the cage; give your bird ample space to move around and explore.
Finally, there's a lot of information out there about ‘aquascaping’ and ‘bird enrichment’, but don't feel you need to invest heavily in fancy equipment initially. Focus on creating a stable, clean, and comfortable environment for your new companion. Research the specific needs of your chosen species thoroughly – this will inform your choices regarding lighting, temperature, substrate, and accessories. It is perfectly acceptable, and indeed recommended for beginners, to start with basic essentials and gradually expand as you gain experience and understand what your pet enjoys and requires. Don’t be afraid to ask questions at local pet stores or online forums – there are many experienced bird and fish keepers willing to share their knowledge.
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 2026-08-09.