Aquarium Filtration

Aquarium Filtration

Aquarium filtration is an important part of any aquarium. A good aquarium filtration system keeps water clean, can help with circulation, and can aid in oxygenating the water. This all adds up to creating a healthy, happy environment for your fish - whatever species you choose to include. Water purity, and removing debris from waste or leftover food, are important aspects of aquarium maintenance and pet care.

There are different types of aquarium filtration methods available, including chemical, biological, and mechanical. All have their uses in different situations, such as with certain fish and in specific environments - in some cases, more than one kind is needed. Understanding the different types of aquarium filtration media will help you to keep your fish happy and healthy. 

Aquarium filtration comes in a range of styles, from internal and external aquarium filtration methods to those that hang on the tank. Your choice will depend on the size and shape of the aquarium you choose, as well as the fish you want to have - and any decorations that add a touch of character. While not the most exciting thing, aquarium filtration is not something to forget.

To complete your aquarium, you can choose aquarium filtration media such as Ista Bio Sponge Filters, the Hidom 260l/h Hang on Back Aquarium Filter, the 500l/h Internal Fish Tank Aquarium Filter with 5w UV Steriliser, and many more. No matter what size of tank you have, there’s an aquarium filtration system to suit your needs.

See the full range of aquarium filtration options for your tank, and find the right aquarium filtration system and aquarium filtration media at Finest Filters.

Items 1-20 of 57

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  1. Double Sponge Filter With Built In Pump
    Double Sponge Internal Bio Filter With Built In Pump
    £25.99

    Transform your aquarium (up to 210L) into a thriving aquatic haven with our Aquarium Double Sponge Filter – a complete filtration system that goes beyond the ordinary. This innovative filter combines the power of dual sponges, a built-in pump, and ceramic bio media to provide unparalleled water clarity and a healthy environment for your aquatic companions.

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  2. aquarium single sponge bio filter with bio media
    Aquarium Sponge Internal Bio Filter With Built In Pump
    £17.99

    Transform your aquarium (up to 120L) into a thriving aquatic haven with our Aquarium Bio Sponge Filter – a complete filtration system that goes beyond the ordinary. This innovative filter combines the power porous sponges, a built-in pump, and ceramic bio media to provide unparalleled water clarity and a healthy environment for your aquatic companions.

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  3. Aquarium Double Sponge Filter Biological Filter Media Fish Tank Bio Filtration
    Air Driven Double Internal Bio Sponge Filter
    £14.99

    Transform your aquarium (up to 210L) into a thriving aquatic haven with our Aquarium Double Sponge Filter – a complete filtration system that goes beyond the ordinary.

    This innovative filter combines the power of dual sponges, and ceramic bio media to provide unparalleled water clarity and a healthy environment for your aquatic companions.

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  4. Air Driven Bio Sponge Internal Filter
    Air Driven Internal Bio Sponge Filter
    £12.99

    Transform your aquarium (up to 100L) into a thriving aquatic haven with our Aquarium Bio Sponge Filter – a complete filtration system that goes beyond the ordinary.

    This innovative filter combines the power of fine porous sponges, and ceramic bio media to provide unparalleled water clarity and a healthy environment for your aquatic companions.

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  5. Traditional Style Air Driven Sponge Filter - Choice of 3 Sizes
    Traditional Style Air Driven Sponge Filter - Choice of 3 Sizes
    As low as £5.99

    High quality aquarium sponge filters in a choice of 3 sizes. Please see detailed sizes below.

    Aerobic bacteria colonise the sponge providing a bacterial surface to facilitate the nitrogen cycle. In addition, the sponge traps larger waste particles and mechanically cleans the water without trapping baby fish. They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe.

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  6. Round Spherical Air Driven Sponge Filter - Choice of 3 Sizes
    Round Spherical Air Driven Sponge Filter - Choice of 3 Sizes
    Rating:
    100 % of 100
    As low as £4.99

    High quality aquarium sphere sponge filters in a choice of 3 sizes. Please see detailed sizes below.

    Aerobic bacteria colonise the sponge providing a bacterial surface to facilitate the nitrogen cycle. In addition, the sponge traps larger waste particles and mechanically cleans the water without trapping baby fish. They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe.

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  7. Corner Style Air Driven Sponge Filter - Choice of 4 Sizes
    Corner Style Air Driven Sponge Filter - Choice of 4 Sizes
    As low as £4.99

    High quality aquarium corner sponge filters NOW AVAILABLE IN 4 SIZES. Please see detailed sizes below.

    The corner design saves space in the aquarium as the filter can go right in the corner of the aquarium. Aerobic bacteria colonise the sponge providing a bacterial surface to facilitate the nitrogen cycle. In addition, the sponge traps larger waste particles and mechanically cleans the water without trapping baby fish. They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe.

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  8. Sunsun HW-3000 3000l/h External Canister Filter Fish Tank Aquarium with UV + Flow Control
    Sunsun HW-3000 3000l/h External Canister Filter Fish Tank Aquarium with UV + Flow Control
    Rating:
    94 % of 100
    £179.99
    Newest canister from SunSun that is easy and simple to use. The HW-3000 features an LCD display that will surely enhance any user's experience with the canister. With an LCD display, users can adjust the flow of the pump. The HW-3000 also has a controllable built-in 9W UV steriliser, which is perfect for keeping algae away from your aquarium. Learn More
  9. Sunsun HW-5000 4600l/h External Canister Filter Fish Tank Aquarium with UV + Flow Control
    Sunsun HW-5000 4600l/h External Canister Filter Fish Tank Aquarium with UV + Flow Control
    £249.99

    The SunSun HW-5000 is one of the newest canister filters from SunSun that is easy to set up and simple to use. It offers a very high flow rate of 4600 litres per hour for just 40w of power consumption thanks to the removable DC pump with SINE wave technology which is more energy efficient than regular canister pumps.

    This model includes a detachable smart digital controller which allows users to adjust the water flow rate and UV sterilizer's "ON" time. The HW-5000 has a controllable built-in 9W UV steriliser, which is perfect for keeping algae away from your aquarium.

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  10. External Filter Booster - Add-On Filter (2 Sizes)
    External Filter Booster - Add-On Filter (2 Sizes)
    As low as £19.99

    Our external filter boosters are designed to be used alongside an existing external canister filter to quickly and easily increase your filtration volume. These filter canisters do not have a pump, so they are connected into the water exit line on your existing canister filter and pumped through this booster unit.

    These filter boosters are available in two different sizes. The small one holds 1.2 litres, and the large one 2.3 litres. They also have different pipe diameter connections.

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  11. Undergravel Aquarium Filter Kit's (Various Sizes)
    Undergravel Aquarium Filter Kit's (Various Sizes)
    As low as £11.99

    Finest Filters Undergravel filter tray – a proven very efficient biological and mechanical filter. Placed underneath the gravel in the aquarium. These interconnecting pieces are ideal for covering all sizes of aquariums, and multiple sets can be used and interlinked for larger aquariums.

    Our undergravel filters are available in 3 sizes – 24 Piece, 28 Piece and 32 Piece.

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  12. Ista Bio Sponge Filters (2 Sizes)
    Ista Bio Sponge Filters (2 Sizes)
    £7.49

    Ista Bio Sponge filters are compact air driven sponge filters ideal for small to medium sized aquariums. These can provide mechanical and biological filtration with low water flow, making them ideal for slower moving fish such as fighters and discus.

    The foams included are of a very fine grade which them perfect for small shrimp and fry.

    Made from high quality durable plastic, these have an adjustable outlet for both flow direction and outlet height.

    They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filter inlet pipe.

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  13. Air Driven Internal Corner Multistage Biological Sponge Filter XY-2010
    Air Driven Internal Corner Multistage Biological Sponge Filter XY-2010
    Rating:
    90 % of 100
    £9.49

    The XY-2010 filter is excellent for smaller aquariums with size fish like dwarf cichlid, guppy, killifish, shrimp etc., or for hatcheries, maternity, nano tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter. Also, the air infusion chamber produces minute bubbles which increase the oxygen solubility.

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  14. Air Driven Aquarium Sponge Bio-Filter Adjustable Height - XY-287 Range - 3 Sizes
    Air Driven Aquarium Sponge Bio-Filter Adjustable Height - XY-287 Range - 3 Sizes
    As low as £5.99

    High quality air driven Adjustable sponge filter suitable for all aquarium types.

    All models have an extendable outlet pipe on the top. They are have a self-weighted base, so will sit on the bottom of the aquarium no problem.

    These filters are ideal for breeding / fry tanks, and are very popular among cichlid / discus keepers.

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  15. Air driven corner sponge aquarium filter
    Air Driven Internal Corner 5 Stage Sponge Filter
    £8.49

    The internal corner filter is excellent for smaller aquariums with size fish like dwarf cichlid, guppy, killifish, shrimp etc., or for hatcheries, maternity, nano tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter.  

    Also, the air infusion chamber produces minute bubbles which increase the oxygen solubility with minimal noise.

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  16. Hidom 200l/h Internal Aquarium Fish Tank Filter with Spraybar (AP-300L)
    Hidom 200l/h Internal Aquarium Fish Tank Filter with Spraybar (AP-300L)
    £8.99

    You are purchasing a high quality 200l/h internal power filter suitable for use in aquariums up to 40 litres in size.

    Our internal filters come complete with a spray bar attachment, along with a venturi, to facilitate additional aeration within the aquarium.

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  17. HW-702A 1000l/h Aquarium Fish Tank External Filter with Media
    HW-702A 1000l/h Aquarium Fish Tank External Filter with Media
    Rating:
    100 % of 100
    £74.99

    The Finest Filters new and improved range of external canister filters can easily be connected to aquariums up to 1000 litres in size (depending on model), and are suitable for all water types, including coldwater, tropical freshwater and saltwater (marine) aquariums.

    This filter is the 1000l/h model without UV steriliser

    Suitable for aquariums up to 400 litres in size

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  18. Hidom 260l/h Hang on Back Aquarium Filter (HL-200)
    Hidom 260l/h Hang on Back Aquarium Filter (HL-200)
    Rating:
    100 % of 100
    £10.49

    You are purchasing a high quality 260l/h Aquarium Hang on Back filter suitable for use in aquariums up to 45 litres in size.

    These filters are made to hang on the back of your aquarium, and provide excellent mechanical and biological filtration. They are ideal for use in tanks where space is limited, and remove the need for unsightly filters in the tank itself.

    Hang on back filters also have the added benefit of oxygenating the water which is returned to the aquarium - as the water cascades back into the tank.

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