For Sale UK

100l fish tank

4

100l fish tank for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / 100l fish tank refurbished & used for sale | For Sale UK
Hidom submersible aquarium - submersible,

Hidom submersible aquarium - submersible,

£23.45 · Buy It Now

» View details on eBay #sponsored
105l fish tank with - 105l, lighting

105l fish tank with - 105l, lighting

£83.90 · Buy It Now

» View details on eBay #sponsored
Freshwater aquarium tank - freshwater,

Freshwater aquarium tank - freshwater,

£104.70 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£91.95 · Buy It Now

» View details on eBay #sponsored
Aqua one aquanano - aqua,

Aqua one aquanano - aqua,

£149.99 · Buy It Now

» View details on eBay #sponsored
Superfish aqua flow filter - superfish,

Superfish aqua flow filter - superfish,

£16.99 · Buy It Now

» View details on eBay #sponsored
Tetra air pump - 100, quiet

Tetra air pump - 100, quiet

£5.45 · Buy It Now

» View details on eBay #sponsored
Fish tank filter - fish, aquarium

Fish tank filter - fish, aquarium

£27.95 · Buy It Now

» View details on eBay #sponsored
Aquael leddy day night - day, &

Aquael leddy day night - day, &

£94.38 · Buy It Now

» View details on eBay #sponsored
Superfish start aquarium stand - superfish,

Superfish start aquarium stand - superfish,

£59.99 · Buy It Now

» View details on eBay #sponsored
Seachem purigen filter media - seachem,

Seachem purigen filter media - seachem,

£329.99 · Buy It Now

» View details on eBay #sponsored
Fish fun heater - r,

Fish fun heater - r,

£9.99 · Buy It Now

» View details on eBay #sponsored
Internal aquarium fish - fish, tank

Internal aquarium fish - fish, tank

£12.99 · Buy It Now

» View details on eBay #sponsored
Aquarium fish tank - fish,

Aquarium fish tank - fish,

£71.72 · Buy It Now

» View details on eBay #sponsored
Aquarium fish tank with - fish, full

Aquarium fish tank with - fish, full

£94.30 · Buy It Now

» View details on eBay #sponsored
Fluval external filter - fluval, with

Fluval external filter - fluval, with

£109.99 · Buy It Now

» View details on eBay #sponsored
Fluval aquarium heater - aquarium,

Fluval aquarium heater - aquarium,

£24.99 · Buy It Now

» View details on eBay #sponsored
Aquarium filter internal - filter,

Aquarium filter internal - filter,

£12.95 · Buy It Now

» View details on eBay #sponsored
Tetra tec 700 aquarium fish - tetra,

Tetra tec 700 aquarium fish - tetra,

£120.00 · Buy It Now

» View details on eBay #sponsored
Bubble magus qq2 internal - bubble,

Bubble magus qq2 internal - bubble,

£58.45 · Buy It Now

» View details on eBay #sponsored
Fish fun heater - heater, thermostat

Fish fun heater - heater, thermostat

£9.99 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart external - oase,

Oase filtosmart external - oase,

£74.95 · Buy It Now

» View details on eBay #sponsored
Superfish start tropical - superfish,

Superfish start tropical - superfish,

£284.99 · Buy It Now

» View details on eBay #sponsored
100w aquarium heater - aquarium,

100w aquarium heater - aquarium,

£14.99 · Buy It Now

» View details on eBay #sponsored
Superfish aquarium fish tank - fish,

Superfish aquarium fish tank - fish,

£14.95 · Buy It Now

» View details on eBay #sponsored
Fluval external filter 107 207 - external,

Fluval external filter 107 207 - external,

£109.99 · Buy It Now

» View details on eBay #sponsored
Oase indoor filtosmart - oase,

Oase indoor filtosmart - oase,

£74.69 · Buy It Now

» View details on eBay #sponsored
Hidom submersible aquarium - hidom,

Hidom submersible aquarium - hidom,

£23.45 · Buy It Now

» View details on eBay #sponsored
Used fish tank - used,

Used fish tank - used,

£363.70 · Buy It Now

» View details on eBay #sponsored
Fluval 107 207 307 - , 407

Fluval 107 207 307 - , 407

£109.99 · Buy It Now

» View details on eBay #sponsored
Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£11.95 · Buy It Now

» View details on eBay #sponsored
Jbl cristalprofi i60 greenline - cristalprofi,

Jbl cristalprofi i60 greenline - cristalprofi,

£22.77 · Buy It Now

» View details on eBay #sponsored
Fluval sea circulation pump - fluval,

Fluval sea circulation pump - fluval,

£35.99 · Buy It Now

» View details on eBay #sponsored
Aquael magic algae stop - aquael,

Aquael magic algae stop - aquael,

£5.99 · Buy It Now

» View details on eBay #sponsored
Aqua one aquanano aquariums - aquanano,

Aqua one aquanano aquariums - aquanano,

£351.99 · Buy It Now

» View details on eBay #sponsored
Tetra aquasafe fish tank tap - tetra,

Tetra aquasafe fish tank tap - tetra,

£7.39 · Buy It Now

» View details on eBay #sponsored
Oase bioplus thermo - oase, &

Oase bioplus thermo - oase, &

£63.99 · Buy It Now

» View details on eBay #sponsored
Seachem matrix bio - , media

Seachem matrix bio - , media

£18.90 · Buy It Now

» View details on eBay #sponsored
Betta 400 external - betta,

Betta 400 external - betta,

£63.22 · Buy It Now

» View details on eBay #sponsored
Marine reef aquarium - aquarium, fishtank

Marine reef aquarium - aquarium, fishtank

£212.00 · Buy It Now

» View details on eBay #sponsored
Superfish aquaflow internal - superfish,

Superfish aquaflow internal - superfish,

£16.99 · Buy It Now

» View details on eBay #sponsored
Aqua one ocellaris external - aqua,

Aqua one ocellaris external - aqua,

£42.99 · Buy It Now

» View details on eBay #sponsored
Betta choice low level - ix,

Betta choice low level - ix,

£23.66 · Buy It Now

» View details on eBay #sponsored
Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£18.31 · Buy It Now

» View details on eBay #sponsored
Eheim compact water - on, flow

Eheim compact water - on, flow

£104.99 · Buy It Now

» View details on eBay #sponsored
Interpet delta therm heater - delta,

Interpet delta therm heater - delta,

£11.86 · Buy It Now

» View details on eBay #sponsored
Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£13.51 · Buy It Now

» View details on eBay #sponsored
Interpet bioactive tap - bioactive, safe

Interpet bioactive tap - bioactive, safe

£4.95 · Buy It Now

» View details on eBay #sponsored
Econoherm 150w submersible - econoherm,

Econoherm 150w submersible - econoherm,

£10.15 · Buy It Now

» View details on eBay #sponsored
Hidom aquarium heater - aquarium,

Hidom aquarium heater - aquarium,

£11.95 · Buy It Now

» View details on eBay #sponsored
Aquael asap filters - filters, internal

Aquael asap filters - filters, internal

£18.95 · Buy It Now

» View details on eBay #sponsored
Seachem purigen filter media - filter,

Seachem purigen filter media - filter,

£9.99 · Buy It Now

» View details on eBay #sponsored
Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.19 · Buy It Now

» View details on eBay #sponsored
Aqua one air - aqua,

Aqua one air - aqua,

£12.45 · Buy It Now

» View details on eBay #sponsored
Silent aquarium oxygen pump - silent,

Silent aquarium oxygen pump - silent,

£13.89 · Buy It Now

» View details on eBay #sponsored
Fluval biolife fish - fluval,

Fluval biolife fish - fluval,

£6.95 · Buy It Now

» View details on eBay #sponsored
Aquarium air pump hailea - air, quiet

Aquarium air pump hailea - air, quiet

£13.95 · Buy It Now

» View details on eBay #sponsored
Fluval 103 external - 103, aquarium

Fluval 103 external - 103, aquarium

£40.00 · Buy It Now

» View details on eBay #sponsored
Superfish pro aquarium fish - pro,

Superfish pro aquarium fish - pro,

£21.99 · Buy It Now

» View details on eBay #sponsored
Interpet aquarium filter - aquarium,

Interpet aquarium filter - aquarium,

£21.49 · Buy It Now

» View details on eBay #sponsored
Allpondsolutions internal - allpondsolutions,

Allpondsolutions internal - allpondsolutions,

£22.99 · Buy It Now

» View details on eBay #sponsored
Tetra aquasafe 50ml 100ml - aquasafe,

Tetra aquasafe 50ml 100ml - aquasafe,

£6.29 · Buy It Now

» View details on eBay #sponsored
Fish tank heater - tank,

Fish tank heater - tank,

£4.38 · Buy It Now

» View details on eBay #sponsored
Working modes aquarium - 2,

Working modes aquarium - 2,

£13.89 · Buy It Now

» View details on eBay #sponsored
Tetra nitrate minus - tetra, reduces

Tetra nitrate minus - tetra, reduces

£6.99 · Buy It Now

» View details on eBay #sponsored
Aquarium fish tank tropical - fish,

Aquarium fish tank tropical - fish,

£13.99 · Buy It Now

» View details on eBay #sponsored
Superfish bio air filter - superfish,

Superfish bio air filter - superfish,

£15.85 · Buy It Now

» View details on eBay #sponsored
Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.19 · Buy It Now

» View details on eBay #sponsored
Aqua one aquarium fish tank - one,

Aqua one aquarium fish tank - one,

£14.52 · Buy It Now

» View details on eBay #sponsored
Aquael magic algae stop - aquael,

Aquael magic algae stop - aquael,

£6.23 · Buy It Now

» View details on eBay #sponsored
Aquarium air pump fish tank - aquarium,

Aquarium air pump fish tank - aquarium,

£10.95 · Buy It Now

» View details on eBay #sponsored
Oase bioplus thermo internal - oase,

Oase bioplus thermo internal - oase,

£61.95 · Buy It Now

» View details on eBay #sponsored
Eheim compact aquarium - eheim,

Eheim compact aquarium - eheim,

£85.92 · Buy It Now

» View details on eBay #sponsored
Aquael asap 300 500 - asap,

Aquael asap 300 500 - asap,

£18.99 · Buy It Now

» View details on eBay #sponsored
Titanium heater elitech - d-d,

Titanium heater elitech - d-d,

£81.99 · Buy It Now

» View details on eBay #sponsored
Interpet pf2 aquarium - interpet,

Interpet pf2 aquarium - interpet,

£21.49 · Buy It Now

» View details on eBay #sponsored
Betta thermal compact - betta,

Betta thermal compact - betta,

£7.00 · Buy It Now

» View details on eBay #sponsored
Betta thermal compact heater - betta,

Betta thermal compact heater - betta,

£12.30 · Buy It Now

» View details on eBay #sponsored
Aqua one ocellaris external - aqua,

Aqua one ocellaris external - aqua,

£51.99 · Buy It Now

» View details on eBay #sponsored
100w fish tank aquarium heater - 100w,

100w fish tank aquarium heater - 100w,

£10.75 · Buy It Now

» View details on eBay #sponsored
Best submersible aquarium - best,

Best submersible aquarium - best,

£14.19 · Buy It Now

» View details on eBay #sponsored
200w aquarium water heater - aquarium,

200w aquarium water heater - aquarium,

£11.85 · Buy It Now

» View details on eBay #sponsored
Tetra 600 plus internal - in,

Tetra 600 plus internal - in,

£23.99 · Buy It Now

» View details on eBay #sponsored
Eheim air pump - pump, +

Eheim air pump - pump, +

£28.95 · Buy It Now

» View details on eBay #sponsored
Aquarium internal corner fish - corner,

Aquarium internal corner fish - corner,

£14.99 · Buy It Now

» View details on eBay #sponsored
Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£21.99 · Buy It Now

» View details on eBay #sponsored
Jrb 210 100w submersible - ,

Jrb 210 100w submersible - ,

£10.99 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart thermo - filtosmart,

Oase filtosmart thermo - filtosmart,

£90.69 · Buy It Now

» View details on eBay #sponsored
Easy balance aquarium fish - aquarium,

Easy balance aquarium fish - aquarium,

£5.64 · Buy It Now

» View details on eBay #sponsored
Tetra easy balance fish tank - tetra,

Tetra easy balance fish tank - tetra,

£6.56 · Buy It Now

» View details on eBay #sponsored
Submersible aquarium internal - aquarium,

Submersible aquarium internal - aquarium,

£14.19 · Buy It Now

» View details on eBay #sponsored
Eheim jager aquarium fish tank - aquarium,

Eheim jager aquarium fish tank - aquarium,

£21.71 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£90.69 · Buy It Now

» View details on eBay #sponsored
Eheim air pump 100 200 - air, &

Eheim air pump 100 200 - air, &

£29.90 · Buy It Now

» View details on eBay #sponsored
Fluval hagen 100w - fluval,

Fluval hagen 100w - fluval,

£21.50 · Buy It Now

» View details on eBay #sponsored
Superfish aquaflow aquarium - aquaflow,

Superfish aquaflow aquarium - aquaflow,

£14.99 · Buy It Now

» View details on eBay #sponsored

Looking for more 100l fish tank?

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

🔍 Search live deals
📊96 listings · from £4.38 · avg £49.15

Browse 96 100l fish tank listings currently in our index. Prices range from £4.38 to £363.7, with an average of £49.15. 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 100l fish tank →

Try this: 4ft glass tank | 2ft aquarium | fish tanks pets home | 200 litre fish tank | 200l fish tank | 35 litre fish tank | fish tank 120 litre | 250 litre fish tank | fish tank 40 litre | aquarium 60l

Shop by budget

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

Everything you need to know about 100l fish tank

Whether you are looking for a brand-new or second-hand 100l fish 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 £4.38, while premium listings can reach £363.7 — giving you a wide budget spread to work with. The average price of £49.15 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.

🔍 100l fish tank Search live on eBay