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Koi pond tanks

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Koi pond tanks for sale on largest auction and classifieds sites

Home / Plumbing & Fixtures / Koi pond tanks refurbished & used for sale | For Sale UK
Kockney koi solvent - koi, weld

Kockney koi solvent - koi, weld

£18.89
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Jebao submersible pond pump - submersible,

Jebao submersible pond pump - submersible,

£114.95
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Pond aquarium uv - /,

Pond aquarium uv - /,

£59.99
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Pond aquarium scaping foam - pond,

Pond aquarium scaping foam - pond,

£21.99
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Pond koi filter - koi, cell

Pond koi filter - koi, cell

£8.99
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Flanged tank liner connector - flanged,

Flanged tank liner connector - flanged,

£7.99
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Vevor canvas fish pond - pond,, 270

Vevor canvas fish pond - pond,, 270

£275.78
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Air line splitter - manifold, for

Air line splitter - manifold, for

£449.99
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Vevor koi aquarium tank - koi,

Vevor koi aquarium tank - koi,

£194.18
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Solvent weld flanged tank - weld,

Solvent weld flanged tank - weld,

£10.99
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Air diffuser disc for - 13”,

Air diffuser disc for - 13”,

£31.90
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Airline manifold for air pump - airline,

Airline manifold for air pump - airline,

£389.99
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Pond air pump koi fish - air,

Pond air pump koi fish - air,

£449.99
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Superfish koi flow - superfish, air

Superfish koi flow - superfish, air

£54.95
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Superfish koi fish - superfish, pond

Superfish koi fish - superfish, pond

£44.99
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Alfagrog pond biological - alfagrog,

Alfagrog pond biological - alfagrog,

£6.95
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Pond air pump koi - pump,

Pond air pump koi - pump,

£449.99
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Mixed flanged tank liner - mixed,

Mixed flanged tank liner - mixed,

£37.10
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Koi pond airpump fish - pond, air

Koi pond airpump fish - pond, air

£389.99
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Weighted suction dome bottom - suction,

Weighted suction dome bottom - suction,

£89.99
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Superfish koi fish pond blue - superfish,

Superfish koi fish pond blue - superfish,

£48.50
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Solvent weld inch flanged - weld, 3"

Solvent weld inch flanged - weld, 3"

£9.95
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Solvent weld inch flanged - solvent, 2"

Solvent weld inch flanged - solvent, 2"

£7.95
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Air line fish tank windscreen - line,

Air line fish tank windscreen - line,

£209.20
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Vevor canvas fish pond 470 - canvas,

Vevor canvas fish pond 470 - canvas,

£352.80
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Submersible water pump fish - water,

Submersible water pump fish - water,

£14.98
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Retro fit aerated weighted - retro,

Retro fit aerated weighted - retro,

£134.99
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Clear pvc tubing flexible hose - clear,

Clear pvc tubing flexible hose - clear,

£18.99
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Submersible pond pumps water - submersible,

Submersible pond pumps water - submersible,

£23.94
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Koi carp pond quarantine grow - pond, quarantine/grow

Koi carp pond quarantine grow - pond, quarantine/grow

£199.99
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Silicone sealant 310ml arbosil - silicone,

Silicone sealant 310ml arbosil - silicone,

£11.95
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50mm rtf flanged tank pond - rtf, /

50mm rtf flanged tank pond - rtf, /

£13.55
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Retro fit bottom - retro,

Retro fit bottom - retro,

£19.99
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Solvent weld inch flanged - solvent, 4"

Solvent weld inch flanged - solvent, 4"

£10.45
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110mm threaded tank - threaded,

110mm threaded tank - threaded,

£16.99
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Ceramic airstone 50mm ball - airstone,

Ceramic airstone 50mm ball - airstone,

£3.99
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Black venturi koi - koi, aqua-jet

Black venturi koi - koi, aqua-jet

£14.99
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Tank connector threaded - x,

Tank connector threaded - x,

£6.95
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Hma heavy metal reduction - heavy,

Hma heavy metal reduction - heavy,

£57.95
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Non return valve koi fish - non,

Non return valve koi fish - non,

£24.99
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Solvent weld flanged - solvent,

Solvent weld flanged - solvent,

£6.45
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Square cut filter - grids, egg

Square cut filter - grids, egg

£149.99
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43mm valterra slide gate - valterra,

43mm valterra slide gate - valterra,

£18.99
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Solvent weld threaded tank - solvent,

Solvent weld threaded tank - solvent,

£7.99
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Diamond cut filter - x,

Diamond cut filter - x,

£18.99
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Aquarium bubbles pond - aquarium, pump

Aquarium bubbles pond - aquarium, pump

£159.99
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Solvent weld pond pipe - solvent,

Solvent weld pond pipe - solvent,

£18.95
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Solar powered water pump - solar,

Solar powered water pump - solar,

£13.49
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Kockney koi tank connector 5 - koi,

Kockney koi tank connector 5 - koi,

£1.99
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Retro fit bottom - fit,

Retro fit bottom - fit,

£39.99
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Solvent weld flanged - solvent, tank

Solvent weld flanged - solvent, tank

£5.55
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Inch 55mm solvent - 2,

Inch 55mm solvent - 2,

£6.50
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Solvent weld inch flanged - 4",

Solvent weld inch flanged - 4",

£10.99
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Under water level pond wall

Under water level pond wall

£18.99
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Pack 5 inch - 2, (43mm)

Pack 5 inch - 2, (43mm)

£8.99
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Koi fish pond - pond, air

Koi fish pond - pond, air

£64.99
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Pressure ball valve koi - 1.5",

Pressure ball valve koi - 1.5",

£16.59
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Pond tank liner connector koi - pond,

Pond tank liner connector koi - pond,

£10.49
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43mm ball valve koi - 1.5"/43mm,

43mm ball valve koi - 1.5"/43mm,

£16.59
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Flanged tank liner connector - tank,

Flanged tank liner connector - tank,

£9.75
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Single bar air stone - single,

Single bar air stone - single,

£19.99
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Large inch 110mm koi - 4, pond

Large inch 110mm koi - 4, pond

£59.99
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Bio plas mega flo filter - bio-plas, media

Bio plas mega flo filter - bio-plas, media

£16.49
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Hailea aco air pump - hailea,

Hailea aco air pump - hailea,

£44.95
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50mm threaded tank connector - tank,

50mm threaded tank connector - tank,

£8.45
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50mm inline non return valve - inline, non-return

50mm inline non return valve - inline, non-return

£25.49
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110mm ball valve - valve, koi

110mm ball valve - valve, koi

£74.99
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56mm bottom drain and - bottom, dome

56mm bottom drain and - bottom, dome

£19.99
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63mm threaded tank connector - 63mm,

63mm threaded tank connector - 63mm,

£10.99
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700 ring aerator - aerator, air

700 ring aerator - aerator, air

£19.99
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110mm bottom drain koi - bottom,

110mm bottom drain koi - bottom,

£24.99
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Air line tube - weighted, feet

Air line tube - weighted, feet

£15.49
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Pressure ball valve koi - pressure,

Pressure ball valve koi - pressure,

£74.99
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Square cut filter - square,

Square cut filter - square,

£22.99
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Inch kockney koi - 1.5", (43mm)

Inch kockney koi - 1.5", (43mm)

£7.49
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Inch 43mm solvent weld - 1.5,

Inch 43mm solvent weld - 1.5,

£5.99
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Solvent weld inch - weld, 2"

Solvent weld inch - weld, 2"

£11.45
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Kockney koi solvent - kockney,

Kockney koi solvent - kockney,

£10.29
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110mm radial tank liner - 110mm,

110mm radial tank liner - 110mm,

£14.75
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Tank connector fitting - 1, pc

Tank connector fitting - 1, pc

£6.83
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Aqua jet 900 ring - aqua-jet, air

Aqua jet 900 ring - aqua-jet, air

£24.99
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110mm flanged tank - 110mm/4",

110mm flanged tank - 110mm/4",

£11.99
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Square cut filter grids - 1, x

Square cut filter grids - 1, x

£15.99
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43mm threaded tank - threaded,

43mm threaded tank - threaded,

£6.99
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Retro fit domed - fit,

Retro fit domed - fit,

£96.99
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Kockney koi flange tank - flange,

Kockney koi flange tank - flange,

£6.99
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Kockney koi flanged tank - kockney, 2"

Kockney koi flanged tank - kockney, 2"

£6.52
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56mm valterra slide gate - valterra,

56mm valterra slide gate - valterra,

£23.49
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Bottom drain ring - 9"x4",

Bottom drain ring - 9"x4",

£69.99
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Kockney koi threaded tank - koi,

Kockney koi threaded tank - koi,

£4.50
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Pond tank liner connector - tank,

Pond tank liner connector - tank,

£7.99
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25mm threaded tank connector - tank,

25mm threaded tank connector - tank,

£7.99
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Female hosetail connector with - hosetail,

Female hosetail connector with - hosetail,

£10.37
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15cm pond aquarium - (6"), pond/aquarium

15cm pond aquarium - (6"), pond/aquarium

£3.79
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Solar pond aerator - pond,

Solar pond aerator - pond,

£40.02
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40mm rtf flanged - -,

40mm rtf flanged - -,

£12.95
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📊96 listings · from £1.99 · avg £60.07

Browse 96 koi pond tanks listings currently in our index. Prices range from £1.99 to £449.99, with an average of £60.07. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about koi pond tanks →

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Everything you need to know about koi pond tanks

Whether you are looking for a brand-new or second-hand koi pond tanks, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.99, while premium listings can reach £449.99 — giving you a wide budget spread to work with. The average price of £60.07 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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