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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.



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  • Oase Filtral Aeration Set

    Oase

    Oase Filtral Aeration Set

    Oase Filtral Aeration Set The Oase Filtral Aeration Set is a great add-on for the new 2019 range of Filtral All-in-one Filters. It attaches to the fountain kit which we include free with all Filtral units. The set will add extra dissolved oxygen...

  • On Sale! Save 52%
    Free Fountain Kit
    filtral 1500 with free fountain and waterfall kit

    Oase

    Oase Filtral UVC 1500 Underwater Filter + Fountain Kit

    Oase Filtral 1500 submersible pond filter with built in UV clarifier  Includes free fountain nozzle kit worth £18.99 R.R.P We recommend use of the optional add-on Aeration Set available here The Oase Filtral 1500 is a submersible water...

    MSRP: £239.99
    Was: £239.99
    Now: £114.99
    £114.99
  • On Sale! Save 14%
    Lotus Green Genie 24000 Filter & UV

    Lotus

    Lotus Green Genie 24000 Combined Pond 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,...

    MSRP: £325.99
    Was: £325.99
    Now: £279.99
    £279.99
  • On Sale! Save 25%
    Oase 55W UVC Replacement Bulb

    Oase

    Oase 55W UVC Replacement Bulb

    Oase 55 Watt replacement UVC Lamp Original Oase product  Suitable for: Vitronic 55, Bitron 55, Bitron 110, Bitron Gravity 55 and Filtoclear 30000 Oase Part Number: 56636

    MSRP: £79.99
    Was: £79.99
    Now: £59.99
    £59.99
  • On Sale! Save 22%
    Oase 24W UVC Replacement Bulb

    Oase

    Oase 24W UVC Replacement Bulb

    Oase 24 Watt replacement UVC Lamp Original Oase product  Suitable for: Vitronic 24, Bitron 24, Filtoclear 16000, Filtomatic 12000, Filtomatic 14000 and Filtomatic 25000 Oase Part Number: 56237

    MSRP: £61.99
    Was: £61.99
    Now: £47.99
    £47.99
  • On Sale! Save 29%
    Includes LED Spot Light
    Combined 5 Watt UVC
    Blagdon Inpond 5in1 2000

    Blagdon

    Blagdon Inpond 5in1 2000 Combined Pond Filter, UVC & Pump

    Blagdon Inpond 5in1 2000 For Ponds up to 2000 litres / 143gallons (Higher Fish Stocks 1000litres /220gallons) Max Flow 650 Litres per Hour (143gallon) Max Pumping head 1.25m Perfect for entry level and smaller garden ponds, the InPond All-In-One...

    MSRP: £170.12
    Was: £170.12
    Now: £119.99
    £119.99
  • Evolution Aqua Eazy Connectors

    Evolution Aqua

    Evolution Aqua Eazy Connectors

    Eazy Connectors From Evolution Aqua Filters  These great connectors literally makes glue and existing hard fittings redundant. It allows you to connect all of your pipework to each other or to any product you wish to install. Eazy Connectors...

    From £3.35 £3.35
  • On Sale! Save 50%
    Oase Biosmart Set 36000

    Oase

    Oase Biosmart Set 36000

    Oase Biosmart Set 36000 The OASE BioSmart filter ensures clear and healthy pond water thanks to the combination of a large filter foam surface and integrated UVC technology (biological-mechanical cleaning). UVC technology for safe elimination of algae...

    MSRP: £1,439.99
    Was: £1,439.99
    Now: £719.99
    £719.99
  • On Sale! Save 51%
    Oase Biosmart Set 24000

    Oase

    Oase Biosmart Set 24000

    Oase Biosmart Set 24000 The OASE BioSmart filter ensures clear and healthy pond water thanks to the combination of a large filter foam surface and integrated UVC technology (biological-mechanical cleaning). UVC technology for safe elimination of algae...

    MSRP: £1,239.99
    Was: £1,239.99
    Now: £599.99
    £599.99
  • On Sale! Save 36%
    Cash Back Offer*
    Hozelock Bioforce Revolution 14000 Kit with Aquaforce Pump

    Hozelock

    Hozelock Bioforce Revolution 14000 Pond Filter Kit with Aquaforce Pond Pump

    Hozelock Bioforce Revolution 14000 Kit with Aquaforce 8000 Pump Every pond filter has a recommended flow rate to ensure you are getting the best out of your pond filter. Hozelock have perfectly paired their Bioforce Revolution filters with their...

    MSRP: £1,099.99
    Was: £1,099.99
    Now: £699.99
    £699.99
  • On Sale! Save 50%
    Free Fountain Kit
    filtral 3000 with free fountain and waterfall kit

    Oase

    Oase Filtral UVC 3000 All In One Underwater Pond Filter + Fountain Kit

    Oase Filtral 3000 submersible pond filter with built in UV clarifier  Includes free fountain nozzle kit worth £18.99 R.R.P We recommend use of the optional add-on Aeration Set available here The Oase Filtral 3000 is a submersible water...

    MSRP: £279.99
    Was: £279.99
    Now: £138.99
    £138.99
  • Cetus Sieve

    Evolution Aqua

    Evolution Aqua Cetus Sieve Pre Filter

    Evolution Aqua Cetus Sieve pre filter to remove waste and debris The Cetus sieve is a bow screen pre-filter, made using the latest rotational moulding technology. With all of its benefits and build quality, it is undoubtedly the best of its...

    Now: £799.00
    £799.00
  • Tufflex Hose All

    Certikin

    Tufflex Hose 32mm - 1 1/4"

    Tufflex Hose 32mm - 1 3/4" Please select the quantity as the metres required. For example if you require 5 metres please adjust the qty to 5 Tufflex is a strong black flexible hose suitable for most pond uses, it allows more pressure and lasts longer...

    Now: £4.99
    £4.99
  • Tufflex Hose All

    Certikin

    Tufflex Hose 20mm - 3/4"

    Tufflex Hose 20mm - 3/4" Please select the quantity as the metres required. For example if you require 5 metres please adjust the qty to 5 Tufflex is a strong black flexible hose suitable for most pond uses, it allows more pressure and lasts longer...

    Now: £3.49
    £3.49
  • On Sale! Save 50%
    Next Day Delivery
    Oase Biosmart Set 14000

    Oase

    Oase Biosmart Set 14000

    Oase Biosmart 14000 Set - Complete with filter, pump, uvc & hose The ideal introduction to proven OASE filter technology. The OASE BioSmart filter ensures clear and healthy pond water thanks to the combination of a large filter foam surface and...

    MSRP: £569.99
    Was: £569.99
    Now: £279.99
    £279.99
  • Ultra Violet Bulbs

    TMC

    TMC Double Ended Replacement UV Lamps

    TMC Double Ended T8 & T5 Replacement UV Lamps G4 T5 Measurements 15cm G6 T5 Measurements 22.5cm G8 T5 Measurements 30.2cm G16 T5 Measurements 30.3cm G15 T8 Measurements 45cm G25 T8 Measurements 45cm G30 T8 Measurements 100.7cm G55 T8...

    From £7.99 £7.99
  • On Sale! Save 42%
    Blagdon Inpond 5 Watt UV Upgrade

    Blagdon

    Blagdon Affinity Inpond 5 Watt UV Upgrade

    Blagdon Affinity 5w UV Upgrade Keep your Inpond in working order with this replacement green water clarifier (otherwise known as an ultra violet clarifier (UVC))*. Green water algae are simple single celled plants that rapidly multiply when the...

    MSRP: £104.99
    Was: £104.99
    Now: £59.99
    £59.99
  • Arcadia 13 Watt Ultra Clear UVC Lamp

    Arcadia

    Arcadia 13 Watt Ultra Clear UVC Lamp

    Arcadia 13w Ultra Violet Bulb 2 Pin compact replacement UV light Size: 155mm / 6"Code FGC13 Suitable for most pond clarifiers Destroys suspended algae Helps to keep a crystal clear pond all year round  

    Now: £14.99
    £14.99
  • Arcadia 36 Watt Ultra Clear UVC Lamp

    Arcadia

    Arcadia 36 Watt Ultra Clear UVC Lamp

    Arcadia 36w Ultra Violet Bulb 4 Pin compact replacement UV light Size: 410mm / 16"Code FGC36 Suitable for most pond clarifiers Destroys suspended algae Helps to keep a crystal clear pond all year round  

    Now: £24.99
    £24.99
  • Arcadia 55 Watt Ultra Clear UVC Lamp

    Arcadia

    Arcadia 55 Watt Ultra Clear UVC Lamp

    Arcadia 55w Ultra Violet Bulb 4 Pin compact replacement UV light Size: 530mm / 21"Code FGC55 Suitable for most pond clarifiers Destroys suspended algae Helps to keep a crystal clear pond all year round  

    Now: £29.99
    £29.99
  • Arcadia 9 Watt Ultra Clear UVC Lamp

    Arcadia

    Arcadia 9 Watt Ultra Clear UVC Lamp

    Arcadia 9w Ultra Violet Bulb 2 Pin compact replacement UV light Size: 145mm / 5.5"Code FGC09 Suitable for most pond clarifiers Destroys suspended algae Helps to keep a crystal clear pond all year round  

    Now: £12.99
    £12.99

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