For Sale UK

Betta aquarium

4

Betta aquarium for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Betta aquarium refurbished & used for sale | For Sale UK
Fluval 20l betta - fluval,

Fluval 20l betta - fluval,

£68.30
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Fluval betta premium aquarium - betta,

Fluval betta premium aquarium - betta,

£99.99
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Aquarium cave decoration - cave,

Aquarium cave decoration - cave,

£12.58
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Betta fish tank - betta,

Betta fish tank - betta,

£31.99
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Compact betta fish tank - fish, kit

Compact betta fish tank - fish, kit

£22.99
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Fluval 20l betta aquarium - 20l, fish

Fluval 20l betta aquarium - 20l, fish

£99.99
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Aqua one betta - aqua, trio

Aqua one betta - aqua, trio

£131.99
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Betta choice aquarium fish - choice,

Betta choice aquarium fish - choice,

£31.59
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Aqua one betta quad - aqua, glass

Aqua one betta quad - aqua, glass

£219.99
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Betta haven aquarium - 5l,

Betta haven aquarium - 5l,

£52.99
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Compact betta fish - tank, kit

Compact betta fish - tank, kit

£22.69
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Floating betta cave shrimp - floating,

Floating betta cave shrimp - floating,

£4.96
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Betta stony cave - cave, fish

Betta stony cave - cave, fish

£13.29
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20l aquarium fish tank - 20l,

20l aquarium fish tank - 20l,

£33.99
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Aqua one betta sanctuary - betta,

Aqua one betta sanctuary - betta,

£69.99
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Aqua one bt10 betta aquarium - bt10,

Aqua one bt10 betta aquarium - bt10,

£74.99
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Small fish tank gallon - small,

Small fish tank gallon - small,

£22.69
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Simulated lotus leaves betta - simulated,

Simulated lotus leaves betta - simulated,

£2.59
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Simulated lotus leaves betta - simulated,

Simulated lotus leaves betta - simulated,

£2.79
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Aqua one betta oasis 13l - one,

Aqua one betta oasis 13l - one,

£59.99
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Flow restrictor reducer - flow,

Flow restrictor reducer - flow,

£4.88
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Betta fish aquarium - aquarium, leaf

Betta fish aquarium - aquarium, leaf

£3.99
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Versatile twin betta - versatile,

Versatile twin betta - versatile,

£12.99
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Indian almond catappa leaves - almond,

Indian almond catappa leaves - almond,

£3.75
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Betta xxl shipwreck aquarium - shipwreck,

Betta xxl shipwreck aquarium - shipwreck,

£124.94
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Fluval betta premium fighter - fluval,

Fluval betta premium fighter - fluval,

£99.99
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Aquarium cave decoration - aquarium,

Aquarium cave decoration - aquarium,

£19.80
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Red tiger lotus - tiger, bulb

Red tiger lotus - tiger, bulb

£8.08
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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£19.99
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Aqua one carbon filter - one,

Aqua one carbon filter - one,

£8.99
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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£21.99
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Fluval premium betta aquarium - premium,

Fluval premium betta aquarium - premium,

£119.99
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Moss growing shelf - moss, mesh

Moss growing shelf - moss, mesh

£4.39
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Black aqua one betta due - aqua, glass

Black aqua one betta due - aqua, glass

£99.99
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Zoo med floating betta aquatic - floating,

Zoo med floating betta aquatic - floating,

£12.10
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Aqua one betta trio aquarium - one,

Aqua one betta trio aquarium - one,

£140.39
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Betta choice low - choice, ix

Betta choice low - choice, ix

£23.66
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Marina fish breeding box - marina,

Marina fish breeding box - marina,

£8.15
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Aqua one betta tank bt10 - one,

Aqua one betta tank bt10 - one,

£89.99
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Aqua one betta oasis complete - betta,

Aqua one betta oasis complete - betta,

£60.99
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Small fish tank gallon - fish,

Small fish tank gallon - fish,

£22.69
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Betta dark cave - cave, aquarium

Betta dark cave - cave, aquarium

£19.95
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1pc floating betta fish - floating, &

1pc floating betta fish - floating, &

£4.88
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Api betta fish - api,

Api betta fish - api,

£5.97
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Fish net breeder marina - net,

Fish net breeder marina - net,

£4.50
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1pc floating betta fish - 1pc,

1pc floating betta fish - 1pc,

£3.99
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Aquarian complete nutrition - aquarian,

Aquarian complete nutrition - aquarian,

£3.99
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Aquarium underground hiding - underground,

Aquarium underground hiding - underground,

£22.58
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Aqua one betta tank - one,

Aqua one betta tank - one,

£72.99
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Aquarium fish tunnel hideout - aquarium,

Aquarium fish tunnel hideout - aquarium,

£18.98
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Pick mix blackwater - &,

Pick mix blackwater - &,

£2.00
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Aqua one betta sanctuary - sanctuary, 10l

Aqua one betta sanctuary - sanctuary, 10l

£69.95
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Aquarium 13l glass fish tank - fish,

Aquarium 13l glass fish tank - fish,

£66.99
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Java moss growing - moss,

Java moss growing - moss,

£6.59
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Aqua one betta trio glass - one,

Aqua one betta trio glass - one,

£132.99
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Hikari betta bio gold - gold, siamese

Hikari betta bio gold - gold, siamese

£4.93
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Betta 33cm goldfish fish - 33cm,

Betta 33cm goldfish fish - 33cm,

£28.49
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Vitalis plec pellets fish food - vitalis,

Vitalis plec pellets fish food - vitalis,

£92.49
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Aquarium floating betta - aquarium,

Aquarium floating betta - aquarium,

£4.99
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Craftsboys aquarium - craftsboys, 4.5l

Craftsboys aquarium - craftsboys, 4.5l

£34.65
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Betta frigate piece - betta, aquarium

Betta frigate piece - betta, aquarium

£46.99
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Large aquarium cave hide - cave, for

Large aquarium cave hide - cave, for

£37.99
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Betta purple trumpet head - betta,

Betta purple trumpet head - betta,

£3.99
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Aquarium artificial leaf - aquarium,

Aquarium artificial leaf - aquarium,

£3.95
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Complete betta fish starter - betta,

Complete betta fish starter - betta,

£24.99
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Lid feed cover - lid,

Lid feed cover - lid,

£10.99
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Aquarium floating betta - aquarium,

Aquarium floating betta - aquarium,

£4.59
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Floating betta hide shrimp - &,

Floating betta hide shrimp - &,

£6.81
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Betta half log hideout - betta,

Betta half log hideout - betta,

£18.99
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Ycsrnn betta fish accessories - betta,

Ycsrnn betta fish accessories - betta,

£9.43
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Floating betta cave shrimp - betta, &

Floating betta cave shrimp - betta, &

£4.99
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Catappa leaves indian - catappa,

Catappa leaves indian - catappa,

£5.50
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Build your box choose - build,

Build your box choose - build,

£2.20
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Betta granules siamese fighter - betta,

Betta granules siamese fighter - betta,

£7.75
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Zoomed betta log - zoomed,

Zoomed betta log - zoomed,

£9.80
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Ceramic aquarium cave fish - ceramic,

Ceramic aquarium cave fish - ceramic,

£11.02
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Small aquarium fish - aquarium, tank

Small aquarium fish - aquarium, tank

£26.99
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Betta resting cherub - betta,

Betta resting cherub - betta,

£11.58
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Betta choice lifespace view - view, 17

Betta choice lifespace view - view, 17

£59.85
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Aquarium fish breeder box - aquarium,

Aquarium fish breeder box - aquarium,

£8.99
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Bcuk frozen bloodworm fish - frozen,

Bcuk frozen bloodworm fish - frozen,

£27.99
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1pc floating betta fish - floating,

1pc floating betta fish - floating,

£4.89
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Fluval betta stratum 800g - stratum,

Fluval betta stratum 800g - stratum,

£8.89
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Betta 30cm goldfish - betta, fish

Betta 30cm goldfish - betta, fish

£24.66
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Betta choice lifespace view - choice,

Betta choice lifespace view - choice,

£75.06
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Betta lifespace replacement - lifespace, h7

Betta lifespace replacement - lifespace, h7

£11.99
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Aqua one betta - one, quad

Aqua one betta - one, quad

£262.99
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Marina betta aquarium - betta,

Marina betta aquarium - betta,

£31.37
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Shrimp breeding cave fish tank - shrimp,

Shrimp breeding cave fish tank - shrimp,

£1.95
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Betta multi functional - betta, multi-functional

Betta multi functional - betta, multi-functional

£23.29
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Fluval betta 20l natural - fluval,

Fluval betta 20l natural - fluval,

£124.99
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Fluval bug bites - bites, aquarium

Fluval bug bites - bites, aquarium

£8.99
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Complete betta fish starter - betta,

Complete betta fish starter - betta,

£23.99
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Aquarium fish breeder box - fish,

Aquarium fish breeder box - fish,

£2.49
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Aquarium cave hideaway - aquarium,

Aquarium cave hideaway - aquarium,

£31.76
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£14.99
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📊96 listings · from £1.95 · avg £37.41
⚠️ These listings were last updated more than 19 days ago. Search for fresh listings

Browse 96 betta aquarium listings currently in our index. Prices range from £1.95 to £262.99, with an average of £37.41. 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 betta aquarium →

Try this: juwel aquariums tanks | fish tank cabinet | algae | fish crate | freshwater fish | lps coral | zoas wysiwyg | waste water tank | montipora | puffer fish

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Everything you need to know about betta aquarium

Whether you are looking for a brand-new or second-hand betta aquarium, 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 £1.95, while premium listings can reach £262.99 — giving you a wide budget spread to work with. The average price of £37.41 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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