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Big fish tanks

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Big fish tanks for sale on largest auction and classifieds sites

Home / Decorations / Big fish tanks refurbished & used for sale | For Sale UK
73cm piece shipwreck - ,

73cm piece shipwreck - ,

£59.99
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Fluval external filter - filter, with

Fluval external filter - filter, with

£216.99
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Fluval 107 207 - 407, fx

Fluval 107 207 - 407, fx

£247.99
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100 seeds fish tank - seeds, aquarium

100 seeds fish tank - seeds, aquarium

£12.50
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Hozelock raised pond set - hozelock,

Hozelock raised pond set - hozelock,

£339.95
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Supa big 10ft aquarium - "big,

Supa big 10ft aquarium - "big,

£9.60
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Seachem purigen filter media - filter,

Seachem purigen filter media - filter,

£12.99
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Sesame street elmo world - elmo’s,

Sesame street elmo world - elmo’s,

£9.99
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Hygger aquarium big pinwheel - hygger,

Hygger aquarium big pinwheel - hygger,

£36.40
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Seachem tidal hang - seachem,

Seachem tidal hang - seachem,

£37.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£12.72
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£11.00
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Koi fish grow holding - fish, on

Koi fish grow holding - fish, on

£209.00
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Swarovski crystal 2007 aquatic - 2007,

Swarovski crystal 2007 aquatic - 2007,

£67.64
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Koi fish grow - koi,

Koi fish grow - koi,

£189.95
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110v 220v sunsun fish tank - fish,

110v 220v sunsun fish tank - fish,

£78.99
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Supa big aquarium - 'big,

Supa big aquarium - 'big,

£9.99
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Aquarium fish tank internal - fish,

Aquarium fish tank internal - fish,

£29.99
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Interpet aquarium swimbladder - interpet,

Interpet aquarium swimbladder - interpet,

£9.49
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Supa big plant - weight, for

Supa big plant - weight, for

£9.99
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Marine protein skimmer bubble - marine,

Marine protein skimmer bubble - marine,

£109.99
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Aquarium plants airline - plants,

Aquarium plants airline - plants,

£6.51
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Fish tank filter - tank,

Fish tank filter - tank,

£12.40
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Fluval aqaurium filter full - filter,

Fluval aqaurium filter full - filter,

£247.99
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Fish tank filter 1 - tank, 4-in-1

Fish tank filter 1 - tank, 4-in-1

£12.40
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Allpondsolutions external - allpondsolutions,

Allpondsolutions external - allpondsolutions,

£14.99
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Aquarium plants airline weight - airline,

Aquarium plants airline weight - airline,

£6.51
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Teco aquarium fish tank - fish,

Teco aquarium fish tank - fish,

£766.99
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Alien tank large - -,

Alien tank large - -,

£41.27
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£24.99
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Fluval 107 207 - , 307

Fluval 107 207 - , 307

£216.99
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Big fish tank - fish, cave

Big fish tank - fish, cave

£6.52
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£11.99
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Aquarium fish transport - aquarium, big

Aquarium fish transport - aquarium, big

£3.25
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Juwel bioflow internal filter - bioflow,

Juwel bioflow internal filter - bioflow,

£149.95
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500 800 l - 500, l/h

500 800 l - 500, l/h

£29.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£12.72
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Fish tank background black - fish,

Fish tank background black - fish,

£14.99
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Voonline t50 50w adjustable - voonline,

Voonline t50 50w adjustable - voonline,

£11.87
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Lbs white river - river, rocks

Lbs white river - river, rocks

£114.52
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Aquarium fish tank - 4,

Aquarium fish tank - 4,

£11.00
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Fish tank background - background, personal

Fish tank background - background, personal

£14.99
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Superfish aquaflow internal - superfish,

Superfish aquaflow internal - superfish,

£29.99
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Fish tank background london - fish,

Fish tank background london - fish,

£14.99
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Aquarium dechlorinator - aquarium,

Aquarium dechlorinator - aquarium,

£6.00
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Eheim internal filters pick - eheim,

Eheim internal filters pick - eheim,

£32.25
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Esha aquarium fish - aquarium,

Esha aquarium fish - aquarium,

£9.99
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Fluval external filter 107 207 - fluval,

Fluval external filter 107 207 - fluval,

£109.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£12.72
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Sponge filter aquarium - -, bio

Sponge filter aquarium - -, bio

£9.99
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Fish tank filter - fish,

Fish tank filter - fish,

£12.40
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Aquael asap filters internal - filters,

Aquael asap filters internal - filters,

£21.45
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Fish tank background - fish,

Fish tank background - fish,

£14.99
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Fish tank background - fish, big

Fish tank background - fish, big

£14.99
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External heater thermostat - thermostat, for

External heater thermostat - thermostat, for

£32.99
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Fish tank background 90x45cm - background,

Fish tank background 90x45cm - background,

£14.99
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Fluval biomax maximum aquarium - biomax,

Fluval biomax maximum aquarium - biomax,

£12.99
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In1 aquarium fish - 4-in1,

In1 aquarium fish - 4-in1,

£7.59
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Superfish aqua flow - flow, xl

Superfish aqua flow - flow, xl

£22.80
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Aquarium chlorine klear - chlorine,

Aquarium chlorine klear - chlorine,

£18.99
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Interpet new treatments water - interpet,

Interpet new treatments water - interpet,

£8.75
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Fish tank background - background, ocean

Fish tank background - background, ocean

£14.99
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Fish tank background - tank,

Fish tank background - tank,

£14.99
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Interpet swim bladder - interpet,

Interpet swim bladder - interpet,

£13.01
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In1 aquarium fish tank - fish,

In1 aquarium fish tank - fish,

£11.00
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Stainless steel aquarium - stainless,

Stainless steel aquarium - stainless,

£9.34
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Fish tank background - fish,

Fish tank background - fish,

£14.99
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Fish tank background - background, sepia

Fish tank background - background, sepia

£14.99
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Fish tank filter 1 - tank,

Fish tank filter 1 - tank,

£13.80
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Fish tank background nazare - background,

Fish tank background nazare - background,

£14.99
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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£12.72
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Fish tank filter - tank,

Fish tank filter - tank,

£12.40
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Esha aquarium fish tank snail - aquarium,

Esha aquarium fish tank snail - aquarium,

£17.79
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Submersible water pump with - water,

Submersible water pump with - water,

£10.99
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In1 aquarium fish tank - 4,

In1 aquarium fish tank - 4,

£10.99
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Fluval external filter 107 207 - filter,

Fluval external filter 107 207 - filter,

£124.99
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Fish tank filter 1 - tank, 4-in-1

Fish tank filter 1 - tank, 4-in-1

£12.40
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Jecod pump variable - variable, flow

Jecod pump variable - variable, flow

£71.99
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Artificial grass aquarium - artificial,

Artificial grass aquarium - artificial,

£12.42
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Envii aquarium equaliser - aquarium,

Envii aquarium equaliser - aquarium,

£9.95
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Fluval cycle 500ml biological - cycle,

Fluval cycle 500ml biological - cycle,

£16.99
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Hidom proheat quartz - quartz, aquarium

Hidom proheat quartz - quartz, aquarium

£18.45
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In1 aquarium fish tank - in1,

In1 aquarium fish tank - in1,

£12.72
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Fluval biomax maximum - fluval,

Fluval biomax maximum - fluval,

£12.99
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Hidom proheat quartz - hidom, aquarium

Hidom proheat quartz - hidom, aquarium

£18.45
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Aquarium heater submersible - heater,

Aquarium heater submersible - heater,

£16.45
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Aquarium fish tank - in,

Aquarium fish tank - in,

£6.99
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Fish tank background big - fish,

Fish tank background big - fish,

£14.99
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Fluval biomax rings 500g - fluval,

Fluval biomax rings 500g - fluval,

£12.90
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Labs ammonia remover - labs,

Labs ammonia remover - labs,

£5.99
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Seachem neutral regulator - seachem,

Seachem neutral regulator - seachem,

£18.99
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Aquarium fish tank - in,

Aquarium fish tank - in,

£11.00
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Fish tank background big - tank,

Fish tank background big - tank,

£14.99
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Fish tank background - fish, big

Fish tank background - fish, big

£14.99
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Large fish tank decoration - large,

Large fish tank decoration - large,

£38.77
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160l 300l 500l aquarium - 160l,

160l 300l 500l aquarium - 160l,

£309.49
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📊96 listings · from £3.25 · avg £50.3
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 big fish tanks listings currently in our index. Prices range from £3.25 to £766.99, with an average of £50.3. 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 big fish tanks →

Try this: cichlid fish tank | dry reef rock | fish rocks | fish tank caves | glass wind chimes | hexagon aquarium | jellyfish tank | large aquarium decorations | large aquarium rocks | lollipop sticks

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Everything you need to know about big fish tanks

Whether you are looking for a brand-new or second-hand big fish 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 £3.25, while premium listings can reach £766.99 — giving you a wide budget spread to work with. The average price of £50.3 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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