Pond & Aquatic Supplies: Pumps, Liners, Filters and more!

January Sale at Swell UK

Best for: Freshwater Aquariums

Aquarium Tanks

From 10L to 350L+, for the beginner to the expert, you will find the perfect tank here, at the right price.

Aquarium Filters

The right filtration system for any size home aquarium, whether it's a tropical paradise or a tiny desk tank.

Aquarium Substrate

The right substrate can completely change the look of your aquarium - choose from our extensive selection to find your perfect fit.

Aquarium Live Plants

Live Plants in your tank can make the world of difference, so choose from our extensive range to get the right one for you.

Best For: Marine Aquariums

Marine Salt

Great range of Marine salt available, with free next day delivery and a variety of types to choose from.

Marine Aquariums

Specially designed and ready for Marine - whether you go for a diverse reef system, or a pair of Clown Fish, we have the tank you need.

Marine Additives

All the vital elements and additives that you need to ensure your reef tank is thriving to its' full potential.

Test Kits

Keep on top of your water at all times using an accurate test kit, so you can ensure your tank is always in perfect condition.

Buy One, Get One Free!

Three styles of basket, multiple sizes, all on buy one, get one free - we have the right one just for your pond

Swell Plant Baskets

Unslightly green algae causing problems? Simple, natural, effective barley straw bales just pop into the water or the filter chamber.

Swell Barley Straw Bales

Sludge? Blanketweed? Swell Pond Treatments can help you to combat these common pond problems, on a buy one get one free offer!

Swell Pond Treatments

Replace your UV tubes to keep your water looking clean and crisp - we recommend every 6 months to ensure the best quality water.

Swell UV Tubes

Swell UK - Pond and Aquarium Supplies

Swell UK has been one of the leading suppliers of the very best pond and indoor aquarium equipment in the UK for a decade now.

We use our many years of pond keeping experience to bring you the very best quality pond products at great value prices. Our extensive range of pond supplies includes everything from garden pond pumps to filters all from leading brands such as Oase, Fish Mate and Blagdon and has been carefully compiled to suit all budgets. We also stock our very own range of Swell branded products including pond liners and treatments.

Similarly, we stock a terrific range of aquarium supplies. From a huge selection of fish tanks, to aquarium accessories that include fish tank lighting from specialists such as Arcadia and marine salt from leading brand, Red Sea. In total, we stock over ,000 aquarium products to keep your fish as happy and healthy as possible.

Latest From The Blog

How to insulate your pond in winter

How to insulate your pond in winter

Our pond fish are by their very nature coldwater, but although they can tolerate extended winter weather, it doesn’t mean to say it does them any good.

What eats flatworms in a reef tank?

What eats flatworms in a reef tank?

Flatworms can be a pest in reef aquaria and if left alone they can multiply and reach plague proportions. Here’s how to control them.

How to theme your aquarium – 4 great decor ideas for your tank

How to theme your aquarium – 4 great decor ideas for your tank

The most eye-catching and impactful aquatic displays are often the ones that follow a theme. Here’s some easy to create decor themes to make your tank look spectacular.

Recent Customer Reviews