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

Christmas 10% OFF

Find What You're Looking For:

Fish 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 stunning reef system.

Marine Salt

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

Aquarium Lighting

Fish Tank Lighting at discounted prices. Call our resident experts for further information and advice.


Pond Pumps

A great range of Pond Pumps from all the leading manufacturers, all available at Swell UK, with great prices!


Pond Filters

Huge range of Pond Filters available from Swell UK, including the leading brands such as Oase, Fishmate & Hozelock.


Fish Tanks

Pond Liners available from Swell UK, including a 25 year, 40 year, or even a Lifetime Guarantee, plus underlay!

Pond Fish Food

Swell UK have a range of foods from leading brands, such as Tetra and Nishikoi, as well as our own Swell range.

Buy One, Get One Free!

Swell Plant Baskets

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

Swell Barley Straw Bales

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

Swell Pond Treatments

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

Swell UV Tubes

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

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 2,000 aquarium products to keep your fish as happy and healthy as possible.

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How to get nitrates down in an aquarium

Nitrates are the bane of many an established fishkeeper. But there are some quick and easy fixes.  What is it? Nitrate is part of the Nitrogen cycle and is formed when ammonia is converted by bacteria. Nitrosomonas...

How to clean aquarium sand

How to clean aquarium sand

Aquariums are great when they’re clean, but they need frequent maintenance to keep them that way. Here’s how to clean the sand. Sand or gravel is often the first decoration you’ll place into your aquarium. Fish occur...

How to lower pH in your aquarium

How to lower pH in your aquarium

What is pH? pH is a figure of measurement for acidity and alkalinity. The pH scale ranges from 0 to 14, with 0 being very acidic, 7 being neutral, and 14 being very alkaline.  Vinegar is a well known acid with a pH of...

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