Aquarium Filters

Aquarium filters play a crucial role in maintaining the health and clarity of your aquatic environment. They work by removing debris, toxins, and excess nutrients from the water, which is vital for the well-being of your fish and aquatic plants. With a variety of filter types available, each designed for different tank sizes and setups, it’s important to choose the right one to ensure a balanced ecosystem in your aquarium.

Types of Aquarium Filters

  1. Mechanical Filters
    Mechanical filters physically remove particles from the water through filter media, such as sponges or pads. These filters are often the first line of defence in keeping your aquarium clean.

  2. Biological Filters
    These filters house beneficial bacteria that break down harmful ammonia and nitrites in the water, converting them into less toxic nitrates. This process is vital for maintaining water quality and supporting fish health.

  3. Chemical Filters
    Chemical filters use substances like activated carbon to remove impurities, odours, and discoloration from the water. They can also help eliminate harmful chemicals that may be present in the aquarium.

  4. Canister Filters
    Ideal for larger aquariums, canister filters offer powerful filtration and often combine mechanical, biological, and chemical filtration in one unit, making them highly efficient for maintaining water quality.

  5. Internal and External Filters
    Internal filters are submerged in the aquarium, while external filters sit outside the tank. Both options have their advantages based on tank size and setup, offering flexibility in filtration choice.

Choosing the Right Filter

When selecting an aquarium filter, consider factors such as tank size, the type of fish you have, and the specific filtration needs of your aquarium. A well-chosen filter not only contributes to the aesthetic appeal of your tank but also enhances the health and vitality of your aquatic life.

Regular maintenance and timely replacement of filter media are essential for optimal performance. By ensuring that your aquarium filter is functioning effectively, you can create a thriving underwater environment for your fish and plants.

Please note these products are available for purchase on linked brand websites, follow the links for more information.


Price Range
The highest price is £300.00
£0£300
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Showing 1 - 33 of 33 Products
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  • Aquarium Power Filter in Tank Ultra Silent Small Fish Tank Filter
    £10.70
    ebay.co.ukebay.co.uk
  • Aqua One Ocellaris 850 External Canister Filter
    £89.99
    pond-planet.co.ukpond-planet.co.uk
  • Juwel bioPad XL Filter Floss Mechanical pre-filter, Fresh and Salt Water
    £2.99
    ebay.co.ukebay.co.uk
  • Fluval U2 Underwater Aquarium Filter 110 Litre 30 US Gal
    £38.64
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  • Betta 2000 Canister Filter 540L
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  • Fluval U3 Underwater Filter
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    jollyes.co.ukjollyes.co.uk
  • Interpet Internal Cartridge Filter CF Mini - 3 Month Service Kit
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  • Hidom External Aquarium Canister Filter System 22W 1000 LPH - EX-1000 - Media
    £59.95
    ebay.co.ukebay.co.uk
  • AquaClear Hagen Filter Insert Ammonia Remover 200/50
    £6.24
    filtersfast.comfiltersfast.com
  • Interpet Internal Power Filter PF3
    £29.95
    diy.comdiy.com
  • Interpet Internal Corner Power Filter CPF3
    £34.00
    petsathome.competsathome.com
  • Superfish Aqua Flow 50 Filter
    £13.35
    hugglepets.co.ukhugglepets.co.uk
  • Tigerlily Enterprises Ultra Quiet 15W Fish Tank Filter 4-in-1 Internal
    £21.99
    ebay.co.ukebay.co.uk
  • Eden - Internal Aquarium Filter 325 (180 Litres)
    £33.95
    diy.comdiy.com
  • Oase FiltoSmart 300 External Aquarium Filter
    £119.99
    lincsaquatics.comlincsaquatics.com
  • Marina i110 Internal Filter
    £21.25
    ocado.comocado.com
  • Aquarium Filter Media Reticulated Reusable Filtration Clean Pads For
    £5.76
    ebay.co.ukebay.co.uk
  • Mini Aquarium Sponge Filter with Built-In Media - Compact Filtration for 2-5 Gallon Fish Tanks
    £14.55
    etsy.cometsy.com
  • Aquarium Filter Media Clean Water Filter Floss Cut To Fit Filter Foam
    £5.86
    ebay.co.ukebay.co.uk
  • Aqua Nova NBF1200 Internal Power Filter 200 L H Submersible in Fish Tank
    £9.99
    ebay.co.ukebay.co.uk
  • Fluval Mini Underwater Filter
    £18.47
    jollyes.co.ukjollyes.co.uk
  • Aquarium Filter with Pump Aqua Della Bob Maxi
    £34.74
    gallop-store.co.ukgallop-store.co.uk
  • AquaClear 110 Power Filter
    £100.42
    filtersfast.comfiltersfast.com
Aquarium Filters | Pet Trust