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Aquarium fish tanks

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Aquarium fish tanks for sale on largest auction and classifieds sites

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Diversa aquarium fish - aquarium,

Diversa aquarium fish - aquarium,

£210.99
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Swell small aquarium 60cm - small,

Swell small aquarium 60cm - small,

£77.99
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Allpondsolutions ultra clear - allpondsolutions,

Allpondsolutions ultra clear - allpondsolutions,

£39.99
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Led glass aquarium - led,

Led glass aquarium - led,

£29.95
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Diversa aquarium fish - aquarium, tank

Diversa aquarium fish - aquarium, tank

£315.99
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Brand new fish tank - new**,

Brand new fish tank - new**,

£125.49
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Finest filters compatible air - compatible,

Finest filters compatible air - compatible,

£4.49
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Fish tank set - fish, small

Fish tank set - fish, small

£20.99
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Betta fish tank gallon - tank,

Betta fish tank gallon - tank,

£21.39
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Internal aquarium fish tank - internal,

Internal aquarium fish tank - internal,

£16.99
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Brand new large fish - new**, tank

Brand new large fish - new**, tank

£177.45
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Off 18l 30l 56l - 10%off,

Off 18l 30l 56l - 10%off,

£34.99
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Plastic aquarium fish - plastic,

Plastic aquarium fish - plastic,

£8.99
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£13.95
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Transparent round fish bowl - transparent,

Transparent round fish bowl - transparent,

£15.99
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Small fish tank plastic - fish,

Small fish tank plastic - fish,

£18.99
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Aquarium plant root - root, fish

Aquarium plant root - root, fish

£3.95
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Aquarium fish tank with - tank,

Aquarium fish tank with - tank,

£21.89
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Display aqua one - aqua,

Display aqua one - aqua,

£550.00
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Fluval provac powered aquarium - fluval,

Fluval provac powered aquarium - fluval,

£49.50
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Dancing skeleton aquarium - skeleton,

Dancing skeleton aquarium - skeleton,

£4.99
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Aquarium fish tank pump clean - tank,

Aquarium fish tank pump clean - tank,

£2.29
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Electric gravel vacuum cleaner - electric,

Electric gravel vacuum cleaner - electric,

£9.99
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Complete nano betta - fish, tank

Complete nano betta - fish, tank

£21.89
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Aquael hexa 60l tropical - aquael, fish

Aquael hexa 60l tropical - aquael, fish

£149.99
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Electric aquarium gravel - aquarium,

Electric aquarium gravel - aquarium,

£11.93
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Fluval 20l betta aquarium fish - fluval,

Fluval 20l betta aquarium fish - fluval,

£99.99
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5pcs aquarium floating - aquarium,

5pcs aquarium floating - aquarium,

£3.99
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Allpondsolutions small litre - allpondsolutions, 7

Allpondsolutions small litre - allpondsolutions, 7

£34.99
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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£99.99
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Small fish tank aquarium - tank,

Small fish tank aquarium - tank,

£19.97
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Aquarium durable fish egg - aquarium,

Aquarium durable fish egg - aquarium,

£9.49
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Aquarium fish tank sand - fish,

Aquarium fish tank sand - fish,

£72.99
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Hidom aquarium air - hidom,

Hidom aquarium air - hidom,

£25.95
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Fluval provac plug aquarium - plug, in

Fluval provac plug aquarium - plug, in

£49.99
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Juwel vio cube aquarium - 54 l,

Juwel vio cube aquarium - 54 l,

£239.99
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Easy live aquarium - 10,

Easy live aquarium - 10,

£8.88
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Aquarium fish tank - aquarium, background

Aquarium fish tank - aquarium, background

£7.95
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Egg crate for aquarium - egg,

Egg crate for aquarium - egg,

£3.49
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Small fish tank - small,

Small fish tank - small,

£19.97
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Aquarium sand substrate for - aquarium,

Aquarium sand substrate for - aquarium,

£32.00
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Full spectrum aquarium - spectrum, fish

Full spectrum aquarium - spectrum, fish

£14.90
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Aquarium fish tank small - aquarium,

Aquarium fish tank small - aquarium,

£29.79
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Electric aquarium gravel - electric,

Electric aquarium gravel - electric,

£11.99
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Marina vue fish - vue, aquarium

Marina vue fish - vue, aquarium

£444.99
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Hepo aquarium heater fish - aquarium,

Hepo aquarium heater fish - aquarium,

£10.99
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Electric gravel vacuum - electric, cleaner

Electric gravel vacuum - electric, cleaner

£34.99
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Aquarium fish tank - aquarium, clean

Aquarium fish tank - aquarium, clean

£2.80
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Moss peat fish tanks - ,, aquarium

Moss peat fish tanks - ,, aquarium

£3.99
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Aquarium fish tank pump - aquarium,

Aquarium fish tank pump - aquarium,

£2.99
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Hornwort for pond aquarium - for,

Hornwort for pond aquarium - for,

£20.99
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£8.20
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Aquarium fish net - aquarium,

Aquarium fish net - aquarium,

£5.86
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Air stone for - air, aquarium

Air stone for - air, aquarium

£2.49
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Aquarium air pump marina - air,

Aquarium air pump marina - air,

£7.99
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Aqua one haven betta - haven,

Aqua one haven betta - haven,

£29.99
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Aquarium oxygen pump air - aquarium,

Aquarium oxygen pump air - aquarium,

£2.75
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Aquarium cleaner kit - cleaner, vacuum

Aquarium cleaner kit - cleaner, vacuum

£1.97
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Small fish tank plastic clear - tank,

Small fish tank plastic clear - tank,

£18.99
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Aquarium fish tank - in,

Aquarium fish tank - in,

£9.49
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Aquarium fish tank round air - fish,

Aquarium fish tank round air - fish,

£8.99
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Aquarium grass seeds - grass,

Aquarium grass seeds - grass,

£4.50
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50mm round air - 2",

50mm round air - 2",

£34.99
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Activated carbon charcoal - activated,

Activated carbon charcoal - activated,

£109.99
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Aquarium cleaning brush - aquarium,

Aquarium cleaning brush - aquarium,

£4.90
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Aquarium fish tank plastic - 2,

Aquarium fish tank plastic - 2,

£4.99
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Aquarium fish tank gravel - tank,

Aquarium fish tank gravel - tank,

£64.99
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Aquarium fish tank - tank, tropical

Aquarium fish tank - tank, tropical

£17.99
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Plastic aquarium fish tank - fish,

Plastic aquarium fish tank - fish,

£2.45
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Aquarium long pincer tweezer - long,

Aquarium long pincer tweezer - long,

£9.95
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Air stone curtain bubble - stone, bar

Air stone curtain bubble - stone, bar

£14.99
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Aqua one platform aquarium - platform,

Aqua one platform aquarium - platform,

£79.45
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Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

£11.99
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Aqua one pico fish tank - aqua,

Aqua one pico fish tank - aqua,

£29.99
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Hidom internal fish tank - hidom,

Hidom internal fish tank - hidom,

£15.45
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Aquarium fish tank - in,

Aquarium fish tank - in,

£18.75
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Aquarium gravel fish tank - aquarium,

Aquarium gravel fish tank - aquarium,

£42.99
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5pcs aquarium floating plant - 5pcs,

5pcs aquarium floating plant - 5pcs,

£1.79
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Aquarium cleaner kit - aquarium,

Aquarium cleaner kit - aquarium,

£11.99
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Filter floss wool - wool, media

Filter floss wool - wool, media

£18.99
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Aquarium 28l glass fish - 28l, tank

Aquarium 28l glass fish - 28l, tank

£66.99
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Aqua one silk plant amazon - aqua,

Aqua one silk plant amazon - aqua,

£7.49
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Nano aquarium fish - 4.5l, tank

Nano aquarium fish - 4.5l, tank

£22.69
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£5.95
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Electric aquarium gravel - electric,

Electric aquarium gravel - electric,

£12.90
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Premium ceramic bio - ceramic, rings

Premium ceramic bio - ceramic, rings

£54.99
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Giant vallis vallisneria - x,

Giant vallis vallisneria - x,

£5.62
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Dis aqua one oakstyle - dis,

Dis aqua one oakstyle - dis,

£329.99
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Aquarium feeding ring - aquarium,

Aquarium feeding ring - aquarium,

£3.94
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3in1 aquarium fish tank - 3in1,

3in1 aquarium fish tank - 3in1,

£7.89
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10x aquarium fish tank suction - 10x,

10x aquarium fish tank suction - 10x,

£2.24
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Hidom aquarium air pump - air,

Hidom aquarium air pump - air,

£24.99
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Seachem purigen filter - purigen, media

Seachem purigen filter - purigen, media

£329.99
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Small fish tank aquarium - small,

Small fish tank aquarium - small,

£12.47
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Aquarium stand fish tank - tank,

Aquarium stand fish tank - tank,

£128.22
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Craftsboys 10l fish tank - craftsboys,

Craftsboys 10l fish tank - craftsboys,

£29.22
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📊96 listings · from £1.79 · avg £51.17

Browse 96 aquarium fish tanks listings currently in our index. Prices range from £1.79 to £550, with an average of £51.17. 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 aquarium fish tanks →

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Everything you need to know about aquarium fish tanks

Whether you are looking for a brand-new or second-hand aquarium 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 £1.79, while premium listings can reach £550 — giving you a wide budget spread to work with. The average price of £51.17 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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