For Sale UK

Koi tank

4

Koi tank for sale on largest auction and classifieds sites

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

Kockney koi solvent weld - koi, tank

£18.89
Buy It Now

» View on eBay #sponsored
Vevor koi aquarium tank - vevor,

Vevor koi aquarium tank - vevor,

£165.99
Buy It Now

» View on eBay #sponsored
Vevor canvas fish - fish, 200

Vevor canvas fish - fish, 200

£238.29
Buy It Now

» View on eBay #sponsored
Vevor canvas fish pond - fish, pond,

Vevor canvas fish pond - fish, pond,

£313.24
Buy It Now

» View on eBay #sponsored
Vevor canvas fish - pond,, 270

Vevor canvas fish - pond,, 270

£244.84
Buy It Now

» View on eBay #sponsored
Large quarantine tank for - quarantine, koi

Large quarantine tank for - quarantine, koi

£37.99
Buy It Now

» View on eBay #sponsored
Pond aquarium uv light - /,

Pond aquarium uv light - /,

£136.99
Buy It Now

» View on eBay #sponsored
Koi fish grow holding - fish,

Koi fish grow holding - fish,

£209.00
Buy It Now

» View on eBay #sponsored
Koi measuring tank blue - tank,

Koi measuring tank blue - tank,

£179.46
Buy It Now

» View on eBay #sponsored
Pond air pump - air, fish

Pond air pump - air, fish

£37.99
Buy It Now

» View on eBay #sponsored
Kockney koi tank - koi, 1.5

Kockney koi tank - koi, 1.5

£3.99
Buy It Now

» View on eBay #sponsored
Superfish koi fish pond - koi,

Superfish koi fish pond - koi,

£44.99
Buy It Now

» View on eBay #sponsored
Weighted suction dome - weighted,

Weighted suction dome - weighted,

£89.99
Buy It Now

» View on eBay #sponsored
Koi pond quarantine tank - koi,

Koi pond quarantine tank - koi,

£312.70
Buy It Now

» View on eBay #sponsored
Vevor koi aquarium tank - aquarium,

Vevor koi aquarium tank - aquarium,

£242.62
Buy It Now

» View on eBay #sponsored
2500l collapsible folding - 2500l,

2500l collapsible folding - 2500l,

£358.59
Buy It Now

» View on eBay #sponsored
Aquarium bubbles pond - aquarium,

Aquarium bubbles pond - aquarium,

£159.99
Buy It Now

» View on eBay #sponsored
Koi round inspection - koi, bowl

Koi round inspection - koi, bowl

£48.86
Buy It Now

» View on eBay #sponsored
Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

£27.99
Buy It Now

» View on eBay #sponsored
Solvent weld flanged - solvent, tank

Solvent weld flanged - solvent, tank

£10.99
Buy It Now

» View on eBay #sponsored
Quarantine tank koi growing - tank,

Quarantine tank koi growing - tank,

£430.49
Buy It Now

» View on eBay #sponsored
3mm bloodworm floating - 3mm, pellets

3mm bloodworm floating - 3mm, pellets

£36.99
Buy It Now

» View on eBay #sponsored
Superfish koi fish pond - koi, blue

Superfish koi fish pond - koi, blue

£46.90
Buy It Now

» View on eBay #sponsored
Kockney koi undergravel filter - koi,

Kockney koi undergravel filter - koi,

£12.99
Buy It Now

» View on eBay #sponsored
Koi fiberglass quarantine - 1x,

Koi fiberglass quarantine - 1x,

£404.25
Buy It Now

» View on eBay #sponsored
Alfagrog e25 ceramic media - ceramic,

Alfagrog e25 ceramic media - ceramic,

£8.95
Buy It Now

» View on eBay #sponsored
Flanged tank liner connector - flanged,

Flanged tank liner connector - flanged,

£5.55
Buy It Now

» View on eBay #sponsored
Alfagrog pond biological - alfagrog,

Alfagrog pond biological - alfagrog,

£6.95
Buy It Now

» View on eBay #sponsored
1000l collapsible folding - collapsible,

1000l collapsible folding - collapsible,

£277.33
Buy It Now

» View on eBay #sponsored
700l collapsible folding - folding, round

700l collapsible folding - folding, round

£249.25
Buy It Now

» View on eBay #sponsored
1500l collapsible folding - 1500l,

1500l collapsible folding - 1500l,

£307.49
Buy It Now

» View on eBay #sponsored
Koi carp pond quarantine - pond, quarantine/grow

Koi carp pond quarantine - pond, quarantine/grow

£199.99
Buy It Now

» View on eBay #sponsored
Koi goldfish holding - holding, tank

Koi goldfish holding - holding, tank

£409.00
Buy It Now

» View on eBay #sponsored
Air line splitter - line, for

Air line splitter - line, for

£16.99
Buy It Now

» View on eBay #sponsored
Threaded tank connector 5 - tank, 1.5"

Threaded tank connector 5 - tank, 1.5"

£11.50
Buy It Now

» View on eBay #sponsored
Kockney koi flange tank - koi,

Kockney koi flange tank - koi,

£6.99
Buy It Now

» View on eBay #sponsored
Aquarium pond filter wool - filter,

Aquarium pond filter wool - filter,

£4.49
Buy It Now

» View on eBay #sponsored
Koi quarantine growing - koi,

Koi quarantine growing - koi,

£341.24
Buy It Now

» View on eBay #sponsored
Pond aquarium scaping foam - pond,

Pond aquarium scaping foam - pond,

£21.99
Buy It Now

» View on eBay #sponsored
Jebao submersible pond pump - jebao,

Jebao submersible pond pump - jebao,

£114.95
Buy It Now

» View on eBay #sponsored
Charles austen eta air pump - charles,

Charles austen eta air pump - charles,

£129.84
Buy It Now

» View on eBay #sponsored
Square cut filter grids egg - cut,

Square cut filter grids egg - cut,

£19.99
Buy It Now

» View on eBay #sponsored
2000 litre water butt - litre,

2000 litre water butt - litre,

£999.89
Buy It Now

» View on eBay #sponsored
Pressure ball valve koi - pressure,

Pressure ball valve koi - pressure,

£16.59
Buy It Now

» View on eBay #sponsored
Rubber washer gasket for 2 - rubber,

Rubber washer gasket for 2 - rubber,

£4.99
Buy It Now

» View on eBay #sponsored
Koi pond airpump fish - koi, air

Koi pond airpump fish - koi, air

£124.99
Buy It Now

» View on eBay #sponsored
56mm bottom drain - 56mm/2", and

56mm bottom drain - 56mm/2", and

£19.99
Buy It Now

» View on eBay #sponsored
Superfish koi flow pond - superfish, air

Superfish koi flow pond - superfish, air

£54.95
Buy It Now

» View on eBay #sponsored
43mm threaded tank - 1.5“/43mm,

43mm threaded tank - 1.5“/43mm,

£6.99
Buy It Now

» View on eBay #sponsored
Professional quarantine tank - professional,

Professional quarantine tank - professional,

£488.24
Buy It Now

» View on eBay #sponsored
50mm threaded tank connector - threaded,

50mm threaded tank connector - threaded,

£8.45
Buy It Now

» View on eBay #sponsored
Black venturi koi aqua - black,

Black venturi koi aqua - black,

£14.99
Buy It Now

» View on eBay #sponsored
Charles austen linear air - linear,

Charles austen linear air - linear,

£144.28
Buy It Now

» View on eBay #sponsored
Inch kockney koi - kockney,

Inch kockney koi - kockney,

£7.49
Buy It Now

» View on eBay #sponsored
Pond air pump - fish,

Pond air pump - fish,

£16.99
Buy It Now

» View on eBay #sponsored
Pack 5 inch - -,

Pack 5 inch - -,

£8.99
Buy It Now

» View on eBay #sponsored
Inch kockney koi - 2",

Inch kockney koi - 2",

£8.29
Buy It Now

» View on eBay #sponsored
Air line tube - air, feet

Air line tube - air, feet

£15.49
Buy It Now

» View on eBay #sponsored
Goldfish koi high - goldfish, &

Goldfish koi high - goldfish, &

£7.99
Buy It Now

» View on eBay #sponsored
110mm threaded tank - 4“/110mm,

110mm threaded tank - 4“/110mm,

£16.99
Buy It Now

» View on eBay #sponsored
110mm bottom drain koi - drain,

110mm bottom drain koi - drain,

£24.99
Buy It Now

» View on eBay #sponsored
Flanged tank connector - , 4"

Flanged tank connector - , 4"

£9.95
Buy It Now

» View on eBay #sponsored
43mm ball valve koi - 1.5"/43mm,

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

£16.59
Buy It Now

» View on eBay #sponsored
50mm flanged tank - 50mm,

50mm flanged tank - 50mm,

£8.99
Buy It Now

» View on eBay #sponsored
25mm threaded tank connector - tank,

25mm threaded tank connector - tank,

£7.99
Buy It Now

» View on eBay #sponsored
Filtreau amalgam submersible - filtreau,

Filtreau amalgam submersible - filtreau,

£235.00
Buy It Now

» View on eBay #sponsored
Koi quarantine tank bowl - koi, for

Koi quarantine tank bowl - koi, for

£37.99
Buy It Now

» View on eBay #sponsored
50mm inline non return - non-return, valve

50mm inline non return - non-return, valve

£25.49
Buy It Now

» View on eBay #sponsored
Retro fit aerated - retro,

Retro fit aerated - retro,

£134.99
Buy It Now

» View on eBay #sponsored
Koi round inspection bowl - koi,

Koi round inspection bowl - koi,

£37.99
Buy It Now

» View on eBay #sponsored
Alfagrog e40 ceramic filter - alfagrog,

Alfagrog e40 ceramic filter - alfagrog,

£569.99
Buy It Now

» View on eBay #sponsored
Filter floss wool 15mm - filter, 12-15mm

Filter floss wool 15mm - filter, 12-15mm

£6.95
Buy It Now

» View on eBay #sponsored
63mm threaded tank connector - 63mm,

63mm threaded tank connector - 63mm,

£10.99
Buy It Now

» View on eBay #sponsored
Solvent weld inch flanged - weld,

Solvent weld inch flanged - weld,

£9.95
Buy It Now

» View on eBay #sponsored
Solvent weld inch flanged - solvent,

Solvent weld inch flanged - solvent,

£5.55
Buy It Now

» View on eBay #sponsored
32mm flanged tank - 32mm,

32mm flanged tank - 32mm,

£7.99
Buy It Now

» View on eBay #sponsored
Blo ring aerator air stone - ring,

Blo ring aerator air stone - ring,

£49.99
Buy It Now

» View on eBay #sponsored
82mm solvent weld tee - solvent,

82mm solvent weld tee - solvent,

£16.49
Buy It Now

» View on eBay #sponsored
Pond tank liner - tank,

Pond tank liner - tank,

£10.49
Buy It Now

» View on eBay #sponsored
2kg alfagrog ceramic pond - ceramic,

2kg alfagrog ceramic pond - ceramic,

£8.45
Buy It Now

» View on eBay #sponsored
Koi fibreglass quarantine - 1x,

Koi fibreglass quarantine - 1x,

£414.75
Buy It Now

» View on eBay #sponsored
Air stones stone blue - 4,

Air stones stone blue - 4,

£8.95
Buy It Now

» View on eBay #sponsored
Bottom drain ring - 9"x4",

Bottom drain ring - 9"x4",

£69.99
Buy It Now

» View on eBay #sponsored
Retro fit domed weighted - retro,

Retro fit domed weighted - retro,

£96.99
Buy It Now

» View on eBay #sponsored
110mm ball valve - koi, fish

110mm ball valve - koi, fish

£74.99
Buy It Now

» View on eBay #sponsored
65l air pump - 65l,

65l air pump - 65l,

£50.00
Buy It Now

» View on eBay #sponsored
Flanged tank liner connector - tank,

Flanged tank liner connector - tank,

£10.95
Buy It Now

» View on eBay #sponsored
Filter floss wool foam media - floss,

Filter floss wool foam media - floss,

£12.89
Buy It Now

» View on eBay #sponsored
Fish mate f14 aquarium - fish,

Fish mate f14 aquarium - fish,

£24.99
Buy It Now

» View on eBay #sponsored
Mixed flanged tank - 6,

Mixed flanged tank - 6,

£29.82
Buy It Now

» View on eBay #sponsored
Air diffuser disc for - 12",

Air diffuser disc for - 12",

£54.99
Buy It Now

» View on eBay #sponsored
Large inch 110mm - large,

Large inch 110mm - large,

£59.99
Buy It Now

» View on eBay #sponsored
Solvent weld flanged tank - solvent,

Solvent weld flanged tank - solvent,

£5.65
Buy It Now

» View on eBay #sponsored
3mtr aquarium pond - 3mtr,

3mtr aquarium pond - 3mtr,

£9.99
Buy It Now

» View on eBay #sponsored
Carp koi transport - koi, oxygen

Carp koi transport - koi, oxygen

£104.70
Buy It Now

» View on eBay #sponsored
Rtf flanged tank - flanged,

Rtf flanged tank - flanged,

£12.35
Buy It Now

» View on eBay #sponsored

Looking for more koi tank?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from £3.99 · avg £106.18

Browse 96 koi tank listings currently in our index. Prices range from £3.99 to £999.89, with an average of £106.18. 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 tank →

Try this: mixer bath taps | yamaha 250cc | bath plug | macerator | electric towel rail | jimny | tap valve | roper rhodes toilet | mini metro turbo | gilera

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about koi tank

Whether you are looking for a brand-new or second-hand koi tank, 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 £3.99, while premium listings can reach £999.89 — giving you a wide budget spread to work with. The average price of £106.18 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.

🔍 koi tank Search live on eBay