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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.



Filter:
  • On Sale! Save 20%
    Oase 36W UVC Replacement Bulb

    Oase

    Oase 36W UVC Replacement Bulb

    Oase 36 Watt replacement UVC Lamp Original Oase product  Suitable for: Vitronic 36, Bitron 36, Bitron 72 and Filtoclear 20000 Oase Part Number: 55432

    MSRP: £67.99
    Was: £67.99
    Now: £53.99
    £53.99
  • Lotus Clear Pond 50 Filter Service Kit

    Lotus

    Lotus Clear Pond 50 Filter Service Kit

    Lotus Clear Pond 50 Filter Maintenance Kit All the parts required to service your Lotus green 2 clean pond filter. Kit Contains  1 x Filter Foam Set 2 x Replacement 25 watt Ultra Violet Bulbs (uvc) 4 x Quartz Sleeve O Rings 2 x Quartz Sleeve...

    Now: £57.99
    £57.99
  • Available Instore only
    Flanged Connector Kit 1½"

    Lotus

    Flanged Connector Kit 1½"

    Flanged Connector Kit for Wooden Fish Pond - Filter Planks WFP100   Lotus Flanged Connector Kit supplied with 4x 1 1/2 Solvent Weld Hosetails, 2x 1 1/2 Flanged Connectors and 1x 250ml Solvent Weld Cement.Please read solvent welding Instructions...

    Now: £58.00
    £58.00
  • Oase Tradux 57154

    Oase

    Oase Tradux

    Oase Tradux Suitable for pond liner, PE pools, GRP or preformed ponds Easy installation due to handy screw connections Safe and clean sealing on flat surfaces SEALED TIGHT!: Safe and clean sealing on all level surfaces FAST & EASY: Easy to...

    Now: £58.49
    £58.49
  • Lotus Green Genie 30000 Filter Maintenance Kit

    Lotus

    Lotus Green Genie 30000 Filter Maintenance Kit

    Lotus Green Genie 30000 Filter Service Kit Lotus maintenance kits are specifically made for Lotus filters. These kits consist of genuine replacement parts which will maintain your Lotus clear water guarantee. This kit contains: Replacement filter...

    Now: £58.99
    £58.99
  • On Sale! Save 23%
    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: £77.99
    Was: £77.99
    Now: £59.99
    £59.99
  • OASE UVC Eco 60W

    Oase

    Oase 60W Eco UVC Replacement Bulb

    Oase 60W UVC Replacement Bulb The use of UVC clarifiers is recommended to combat stubborn floating algae in the pond. UVC lamps should be replaced regularly.  Suitable for: FiltoClear 31000, Bitron 120 W, Bitron Eco 180 W, Bitron Eco 240...

    Now: £63.99
    £63.99
  • On Sale! Save 39%
    Clearance sale
    Web Exclusive
    Blagdon MiniPond 4500 5 Watt UVC

    Blagdon

    Blagdon MiniPond 4500 5 Watt UVC (Not In Original Packaging)

    Blagdon MiniPond 4500 5 Watt UVC Reliable and easy to install, the Minipond 4500 UV clarifier clears green water algae quickly and effectively with results lasting permanently. UV light lamp kills green water algae No detrimental effects to the...

    MSRP: £105.99
    Was: £105.99
    Now: £64.50
    £64.50
  • Evolution Aqua K1 Micro Media 25 Litres

    Evolution Aqua

    Evolution Aqua K1 Micro Media 25 Litres

    K1 Micro Media 25 Litres by Evolution Aqua K1 media has been used by Evolution Aqua in Koi filtration systems for a number of years. This new type of filter media, K1 Micro, contains all of the benefits of traditional K1 media but is extruded in a much...

    Now: £69.95
    £69.95
  • Lotus Clear Pond 80 Filter Service Kit

    Lotus

    Lotus Clear Pond 80 Filter Service Kit

    Lotus Clear Pond 80 Filter Maintenance Kit All the parts required to service your Lotus green 2 clean pond filter. Kit Contains  1 x Filter Foam Set 2 x Replacement 40 watt Ultra Violet Bulbs (uvc) 2 x Quartz Sleeve O Rings 2 x Quartz Sleeve...

    Now: £69.99
    £69.99
  • On Sale! Save 26%
    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: £76.99
    £76.99
  • Lotus Green Genie 48000 Filter Maintenance Kit

    Lotus

    Lotus Green Genie 48000 Filter Maintenance Kit

    Lotus Green Genie 48000 Filter Service Kit Lotus maintenance kits are specifically made for Lotus filters. These kits consist of genuine replacement parts which will maintain your Lotus clear water guarantee. This kit contains: Replacement filter...

    Now: £81.59
    £81.59
  • Evolution Aqua K1 Media 50 Litres

    Evolution Aqua

    Evolution Aqua K1 Media 50 Litres

    Evolution Aqua 50L K1 Media K1 media is engineered in a wheel shape and is slightly positively buoyant. This near neutral buoyancy allows the media to circulate throughout the vessel with only a minimal water flow.This flow is created with your air pump...

    Now: £85.95
    £85.95
  • Minipond 6000 9w UVC

    Blagdon

    Minipond 6000 9W UVC

    Blagdon MiniPond 6000 5 Watt UVC Reliable and easy to install, the Minipond 6000 UV clarifier clears green water algae quickly and effectively with results lasting permanently. UV light lamp kills green water algae No detrimental effects to the...

    Now: £92.99
    £92.99
  • On Sale! Save 23%
    Oase AquaSkim 20

    Oase

    Oase AquaSkim 20

    Oase AquaSkim 20 Powerful suction cleaning of pond surfaces up to 40 m² The result is clearly improved water quality and viewing depth through direct removal of pollutants on the surface Base with large-surface receptacle for rocks as...

    MSRP: £136.99
    Was: £136.99
    Now: £104.99
    £104.99
  • On Sale! Save 24%
    Oase AquaSkim 40

    Oase

    Oase AquaSkim 40

    Oase AquaSkim 40 This new surface skimmer has a number of convincing arguments. Through a two-part telescopic tube it is infinitely height adjustable. In addition the float automatically bridges water level differentials up to 160 mm, which can easily...

    MSRP: £145.99
    Was: £145.99
    Now: £109.99
    £109.99
  • On Sale! Save 29%
    Oase Vitronic UVC | 18 W (56837)

    Oase

    Oase Vitronic UVC | 18 W

    Oase Vitronic UVC Clears Green Pond Water - 18 Watt Elimination of suspended algae (green water) Reduction of harmful bacteria and pathogen level Visual function check of the UVC bulb Quick release for easy bulb change and cleaning of the quartz...

    MSRP: £156.99
    Was: £156.99
    Now: £109.99
    £109.99
  • Evolution Aqua K1 Micro Media 50 Litres

    Evolution Aqua

    Evolution Aqua K1 Micro Media 50 Litres

    K1 Micro Media 50 Litres by Evolution Aqua K1 media has been used by Evolution Aqua in Koi filtration systems for a number of years. This new type of filter media, K1 Micro, contains all of the benefits of traditional K1 media but is extruded in a much...

    Now: £114.95
    £114.95
  • On Sale! Save 50%
    Oase pond system

    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 £15.99 R.R.P We recommend use of the optional add-on Aeration Set available here The Oase Filtral 1500 is a submersible...

    MSRP: £229.99
    Was: £229.99
    Now: £114.99
    £114.99
  • On Sale! Save 4%
    UV

    Evolution Aqua

    Evolution Aqua Evo UV 15 Clarifier

    Evolution Aqua Evo UV15 Ultraviolet Clarifier For Ponds The evoUV is simple to install, with universal mounting plates allowing you to fix the unit horizontally or vertically, or at any angle you choose. The evoUV range of clarifiers have been...

    MSRP: £124.95
    Was: £124.95
    Now: £119.95
    £119.95
  • 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
  • On Sale! Save 16%
    De-Chlorinator FC - 30 Inch Filter

    Evolution Aqua

    Evolution Aqua 30 inch Dechlorinator Carbon in line filter

    AS all fishkeepers know, it is necessary to remove chlorine and other impurities from tap water when introducing it to a pond or aquarium. Failure to do this can result in fish health problems and it also adversely affects the growth of benefical...

    MSRP: £149.95
    Was: £149.95
    Now: £124.95
    £124.95

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