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Specialists in Water Gardening & Aquariums Interest Free Credit Free Delivery Options Over £49.99* Easy Returns Price Promise

Pond Filters

Pond & Koi Filtration

Buying a pond or Koi pond filter? We have been selling pond filtration solutions for over 30 years and are the best to review your water gardens requirements. Browse online or visit one of our UK shops for the best advise and lowest price promise prices.

Pond Filtration Putting It Simply

There are two main types of successful pond filtration.

An ULTRA VIOLET filter kills green water to keep the water clear, while a BIOLOGICAL FILTER looks after the water quality to keep the fish healthy and happy. Most modern filters combine these methods into one unit for convenience and ease of installation. It is recommended to use a biological pond filter if you are keeping koi carp or any pond fish.



Filter:
  • On Sale! Save 18%
    Oase Biotec Screenmatic 60000² And 140000²  Filter Foam Set Blue x 2

    Oase

    Oase Biotec Screenmatic 60000² And 140000² Filter Foam Set Blue x 2

    Replacement blue foam set Oase Biotec Screenmatic 60000²/ 140000² Replacement foams to fit the Oase Biotec Screenmatic 60000² (57695) Oase Screenmatic 140000² (57696) Oase Biotec Sreenmatic 18 (57214) Oase Biotec Screenmatic 36...

    MSRP: £34.49
    Was: £34.49
    Now: £27.99
  • On Sale! Save 17%
    Oase Biosmart 18000, 24000 And 36000 Replacement Green Filter Foam

    Oase

    Oase Biosmart 18000, 24000 And 36000 Replacement Green Filter Foam

    Replacement green foam Oase Biosmart 18000/24000/18000 Replacement foams to fit the Oase Biosmart 18000 (56778) Oase Biosmart 24000 (56785) Oase Biosmart 36000 (56793) Oase Biotec 5.1 (56640) Oase Biotec 10.1 Oase part number: 56679

    MSRP: £19.29
    Was: £19.29
    Now: £15.99
  • On Sale! Save 17%
    Oase Biosmart 18000, 24000 And 36000 Replacement Blue Filter Foam

    Oase

    Oase Biosmart 18000, 24000 And 36000 Replacement Blue Filter Foam

    Replacement blue foam Oase Biosmart 18000/24000/18000 Replacement foams to fit the Oase Biosmart 18000 (56778) Oase Biosmart 24000 (56785) Oase Biosmart 36000 (56793) Oase Biotec 5.1 (56640) Oase Biotec 10.1 Oase part number: 56678

    MSRP: £19.29
    Was: £19.29
    Now: £15.99
  • On Sale! Save 17%
    Oase Biosmart 18000, 24000 And 36000 Replacement Red Filter Foam

    Oase

    Oase Biosmart 18000, 24000 And 36000 Replacement Red Filter Foam

    Replacement red foam Oase Biosmart 18000/24000/18000 Replacement foams to fit the Oase Biosmart 18000 (56778) Oase Biosmart 24000 (56785) Oase Biosmart 36000 (56793) Oase Biotec 5.1 (56640) Oase Biotec 10.1 Oase part number: 56677

    MSRP: £19.29
    Was: £19.29
    Now: £15.99
  • On Sale! Save 20%
    Oase Filtoclear 15000 Replacement Filter Foam Set

    Oase

    Oase Filtoclear 15000 Replacement Filter Foam Set

    Replacement foam set Oase Filtoclear 15000 Replacement foams to fit the Oase Filtoclear 15000 (56826)  Oase part number: 56884

    MSRP: £69.99
    Was: £69.99
    Now: £55.99
  • On Sale! Save 20%
    Oase Filtoclear 11000 Replacement Filter Foam Set

    Oase

    Oase Filtoclear 11000 Replacement Filter Foam Set

    Replacement foam set Oase Filtoclear 11000 Replacement foams to fit the Oase Filtoclear 11000 (56053)  Oase part number: 56111

    MSRP: £59.99
    Was: £59.99
    Now: £47.99
  • On Sale! Save 20%
    Oase Biopress 6000 And 10000 Replacement Filter Foam Set

    Oase

    Oase Biopress 6000 And 10000 Replacement Filter Foam Set

    Replacement foam set Oase Biopress 6000/10000 Replacement foams to fit the Oase Biopress 6000 (47602) and Oase Biopress 10000 (47603) Oase part number: 15564

    MSRP: £42.99
    Was: £42.99
    Now: £33.99
  • On Sale! Save 18%
    Oase Biopress 4000 Replacement Filter Foam Set

    Oase

    Oase Biopress 4000 Replacement Filter Foam Set

    Replacement foam set Oase Biopress 4000 Replacement foams to fit the Oase Biopress 4000 (47601) Oase part number: 15558

    MSRP: £24.49
    Was: £24.49
    Now: £19.99
  • On Sale! Save 19%
    Oase Filtral 6000 And 9000 Replacement Filter Foam Set

    Oase

    Oase Filtral 6000 And 9000 Replacement Filter Foam Set

    Replacement foam set Oase Filtral UVC 6000/9000 Replacement foams to fit the Oase filtral 6000 (70238) and Oase filtral 9000 (70239) Oase part number: 70242

    MSRP: £23.49
    Was: £23.49
    Now: £18.99
  • On Sale! Save 21%
    Oase Filtral 3000 Replacement Filter Foam Set

    Oase

    Oase Filtral 3000 Replacement Filter Foam Set

    Replacement foam set Oase Filtral UVC 3000 Replacement foams to fit the Oase filtral 3000 (70237) Oase part number: 70241

    MSRP: £15.29
    Was: £15.29
    Now: £11.99
  • On Sale! Save 37%
    Oase Biotec 30

    Oase

    Oase Biotec 30

    Oase BioTec 30 Multi zone filter for larger ponds & koi ponds Large settlement surfaces for filter bacteria. Low maintenance multi zone filter system with long service life. For large ponds up to 120 m³ Biotec 30...

    MSRP: £2,415.99
    Was: £2,415.99
    Now: £1,499.99
  • On Sale! Save 50%
    Cash Back Offer*
    Oase Biopress 10000 Compact Pressure Filter

    Oase

    Oase Biopress 10000 Compact Pressure Filter

    Oase Biopress 10000 Compact Pressure filter with 11w UVC Bio Press filters help create a clear and healthy environment for fish and other pond inhabitants. The easy clean technology employed in the design, makes the necessary maintenance tasks muck...

    MSRP: £499.99
    Was: £499.99
    Now: £249.99
  • On Sale! Save 50%
    Cash Back Offer*
    Oase Biopress 6000 Compact Pressure Filter

    Oase

    Oase Biopress 6000 Compact Pressure Filter

    Oase Biopress 6000 Compact Pressure filter with 9w UVC Bio Press filters help create a clear and healthy environment for fish and other pond inhabitants. The easy clean technology employed in the design, makes the necessary maintenance tasks muck...

    MSRP: £399.99
    Was: £399.99
    Now: £199.99
  • On Sale! Save 50%
    Cash Back Offer*
    Oase Biopress 4000 Compact Pressure Filter

    Oase

    Oase Biopress 4000 Compact Pressure Filter

    Oase Biopress 4000 Compact Pressure filter with 7w UVC Bio Press filters help create a clear and healthy environment for fish and other pond inhabitants. The easy clean technology employed in the design, makes the necessary maintenance tasks muck...

    MSRP: £279.99
    Was: £279.99
    Now: £139.99
  • Evolution Aqua Nexus 320 Pond Filter

    Evolution Aqua

    Evolution Aqua Nexus 320 Pond Filter

    Evolution Aqua Nexus Eazy 320 Pond Filter Systems Model: Nexus 320 Max Pond Size: 34000 Litres / 7500 Gallons Maximum Flow Rate 13000 Litres / 2859 Gallons Per Hour Volume Of Water Held: 840 Litres / 185 Gallons K1 Micro Media Supplied: 20 Litres...

    Now: £1,295.00
  • Lotus Green Genie 48000 Filter & UV

    Lotus

    Lotus Green Genie 48000 Filter & UV

    Green Genie 48000 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • Lotus Green Genie 30000 Filter & UV

    Lotus

    Lotus Green Genie 30000 Filter & UV

    Green Genie 30000 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • Lotus Green Genie 24000 Filter & UV

    Lotus

    Lotus Green Genie 24000 Filter & UV

    Green Genie 24000 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • Lotus Green Genie 18000 Filter & UV

    Lotus

    Lotus Green Genie 18000 Filter & UV

    Green Genie 18000 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • Lotus Green Genie 12500 Filter & UV

    Lotus

    Lotus Green Genie 12500 Filter & UV

    Green Genie 12500 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • On Sale! Save 14%
    Lotus Green Genie 6500 Filter & UV

    Lotus

    Lotus Green Genie 6500 Filter & UV

    Green Genie 6500 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

    MSRP: £139.99
    Was: £139.99
    Now: £119.99
  • Lotus Green Genie 3500 Filter & UV

    Lotus

    Lotus Green Genie 3500 Filter & UV

    Green Genie 3500 Combined Ultra Violet & Biological Filtration box The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art UV technology.Made in the UK. Reticulated Foam,...

  • Pontec Filter foam 10PPI (Part No 27821)

    Pontec

    Pontec Filter foam 10PPI (Part No 27821)

    Pontec Genuine Spare Part Description: Filter foam 10PPI  Part number:  27821 Filter sponge 10PPI Ä Suitable for Pontec PonDuett 3000 Pontec PonDuett 5000

    Now: £6.76
  • Pontec Bio surface element (Part No 19503)

    Pontec

    Pontec Bio surface element (Part No 19503)

    Pontec Genuine Spare Part Description: Bio surface element  Part number:  19503 Bio-surface element Suitable for Pontec PonDuett 3000 Pontec PonDuett 5000

    Now: £1.54

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