For Sale UK

100l fish tank

4

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

Home / Lenses & Filters / 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
Hidom submersible tropical - submersible,

Hidom submersible tropical - submersible,

£11.95 · Buy It Now

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

Fish tank aquarium new - aquarium,

£104.70 · Buy It Now

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

Hidom submersible aquarium - hidom,

£13.45 · 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
Fluval aquarium heater - t,

Fluval aquarium heater - t,

£24.99 · Buy It Now

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

Aqua one aquanano aquariums - one,

£439.99 · Buy It Now

» View details on eBay #sponsored
Superfish aqua flow 100 - superfish,

Superfish aqua flow 100 - superfish,

£13.75 · Buy It Now

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

100w aquarium heater - 100w,

£14.99 · Buy It Now

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

Internal aquarium fish - internal,

£12.99 · Buy It Now

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

Seachem purigen filter - purigen, media

£329.99 · Buy It Now

» View details on eBay #sponsored
Superfish aqua flow - flow, 50

Superfish aqua flow - flow, 50

£12.50 · Buy It Now

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

Seachem purigen filter media - seachem,

£9.99 · Buy It Now

» View details on eBay #sponsored
Sochting oxydator increase - sochting,

Sochting oxydator increase - sochting,

£42.30 · 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
Oase filtosmart external - filtosmart,

Oase filtosmart external - filtosmart,

£74.95 · Buy It Now

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

Fish fun heater - fish,

£9.99 · Buy It Now

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

Tetra tec 700 aquarium fish - tetra,

£130.00 · Buy It Now

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

Superfish start tropical - start,

£134.95 · Buy It Now

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

Aquarium fish tank tropical - aquarium,

£13.99 · 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
Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£21.99 · Buy It Now

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

Interpet bioactive tap safe - bioactive,

£4.95 · Buy It Now

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

Oase bioplus thermo - oase, &

£61.99 · Buy It Now

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

Betta 400 external - 400,

£66.55 · Buy It Now

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

Tetra nitrate minus - nitrate,

£6.99 · 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
Tetra 600 plus - tetra, internal

Tetra 600 plus - tetra, internal

£23.99 · Buy It Now

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

105l fish tank with - tank, lighting

£83.90 · Buy It Now

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

Marina air pump - air, quiet

£17.00 · Buy It Now

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

Bubble magus qq2 internal - qq2,

£58.45 · Buy It Now

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

Aquarium fish tank with - fish,

£94.30 · Buy It Now

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

Aquarium air pump fish tank - air,

£10.95 · 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
Fish fun heater thermostat - fish,

Fish fun heater thermostat - fish,

£9.99 · Buy It Now

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

Fish tank filter aquarium - uv,

£27.95 · Buy It Now

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

Oase filtosmart external - filtosmart,

£52.70 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart 100 200 - oase, 60

Oase filtosmart 100 200 - oase, 60

£74.79 · Buy It Now

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

Jbl cristalprofi i60 - jbl,

£19.36 · Buy It Now

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

Marine reef aquarium fishtank - aquarium,

£212.00 · Buy It Now

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

Oase bioplus internal - internal, corner

£43.25 · 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
Aqua one ocellaris external - ocellaris,

Aqua one ocellaris external - ocellaris,

£51.99 · 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
Aquael leddy day night - &,

Aquael leddy day night - &,

£94.38 · Buy It Now

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

Fluval external filter 107 - filter, 207

£109.99 · Buy It Now

» View details on eBay #sponsored
Eheim air pump 100 200 - air, 100,200,400

Eheim air pump 100 200 - air, 100,200,400

£28.95 · Buy It Now

» View details on eBay #sponsored
Qzq silent aquarium air - qzq,

Qzq silent aquarium air - qzq,

£14.70 · Buy It Now

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

Oase bioplus thermo internal - /,

£61.95 · Buy It Now

» View details on eBay #sponsored
100 200w aquarium water - aquarium,

100 200w aquarium water - aquarium,

£10.98 · Buy It Now

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

Interpet deltatherm aquarium - deltatherm,

£9.72 · Buy It Now

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

Fluval sea circulation - circulation, pump

£35.99 · Buy It Now

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

Aquarium internal corner fish - aquarium,

£14.99 · 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
Tetra internal filter aquarium - tetra,

Tetra internal filter aquarium - tetra,

£23.95 · Buy It Now

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

Aquarium air pump - air, quiet

£13.95 · Buy It Now

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

Fluval 103 external - fluval,

£40.00 · Buy It Now

» View details on eBay #sponsored
Air driven sponge filter for - air,

Air driven sponge filter for - air,

£8.99 · Buy It Now

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

Superfish aquaflow aquarium - aquaflow,

£16.99 · Buy It Now

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

Titanium heater elitech - titanium,

£81.99 · Buy It Now

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

Fluval external filter with - fluval,

£109.99 · Buy It Now

» View details on eBay #sponsored
Tetratec air pump tetra - pump,

Tetratec air pump tetra - pump,

£22.95 · Buy It Now

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

Eheim thermocontrol aquarium - eheim,

£21.45 · Buy It Now

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

Superfish aquarium fish tank - aquarium,

£14.95 · Buy It Now

» View details on eBay #sponsored
Aqua one ocellaris 400 - one,

Aqua one ocellaris 400 - one,

£41.99 · 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,

£13.99 · Buy It Now

» View details on eBay #sponsored
Oxygen pump for - oxygen,

Oxygen pump for - oxygen,

£13.90 · Buy It Now

» View details on eBay #sponsored
Aquael air pump - , fish

Aquael air pump - , fish

£14.39 · Buy It Now

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

Jrb 210 100w submersible - jrb-210,

£10.99 · Buy It Now

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

Internal uv fish tank - internal,

£40.99 · Buy It Now

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

Betta choice low level - choice,

£24.86 · 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
Eheim jager aquarium - eheim,

Eheim jager aquarium - eheim,

£23.95 · Buy It Now

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

Aqua one air - air, ornament

£12.45 · 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
Aquael asap filters internal - asap,

Aquael asap filters internal - asap,

£18.95 · Buy It Now

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

Betta thermal compact heater - betta,

£13.90 · Buy It Now

» View details on eBay #sponsored
Marina i25 i110 - , internal

Marina i25 i110 - , internal

£19.90 · Buy It Now

» View details on eBay #sponsored
Marina breeding box - box, net

Marina breeding box - box, net

£6.70 · Buy It Now

» View details on eBay #sponsored
Oase filtosmart thermo 100 - filtosmart,

Oase filtosmart thermo 100 - filtosmart,

£90.69 · Buy It Now

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

Eheim compact water - compact, on

£104.99 · Buy It Now

» View details on eBay #sponsored
Aqua one aquanano 100l - aquanano,

Aqua one aquanano 100l - aquanano,

£429.99 · Buy It Now

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

Aquarium fish tank - aquarium,

£12.08 · 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
Eheim air pump - eheim, 100

Eheim air pump - eheim, 100

£29.95 · Buy It Now

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

Eheim thermocontrol heater - eheim,

£22.38 · Buy It Now

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

Oase bioplus internal aquarium - oase,

£41.95 · 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
Interpet airvolution aquarium - interpet,

Interpet airvolution aquarium - interpet,

£19.99 · Buy It Now

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

Hidom aquarium heater - hidom,

£11.95 · Buy It Now

» View details on eBay #sponsored
Fluval clearmax phosphate - clearmax,

Fluval clearmax phosphate - clearmax,

£10.49 · Buy It Now

» View details on eBay #sponsored
Tetra easycrystal filterbox - easycrystal,

Tetra easycrystal filterbox - easycrystal,

£29.99 · 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
Fluval hagen 100w - m,

Fluval hagen 100w - m,

£21.50 · Buy It Now

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

Aquarium fish tank with full - fish,

£71.72 · 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 £4.95 · avg £50.47
⚠️ These listings were last updated more than 22 days ago. Search for fresh listings

Browse 96 100l fish tank listings currently in our index. Prices range from £4.95 to £439.99, with an average of £50.47. 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: volvo c30 electric | electric caddy | purolator oil filters | bypass oil filter | marine fuel filter | outboard fuel filter | mazda mr2 | sw20 mr2 | custom vw caddy | elite fish tank

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 £4.95, while premium listings can reach £439.99 — giving you a wide budget spread to work with. The average price of £50.47 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