For Sale UK

100l fish tank

4

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

Home / Fish & Aquariums / 100l fish tank refurbished & used for sale | For Sale UK
Fluval 125 litre - 125, fish

Fluval 125 litre - 125, fish

£104.70
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Aquarium fish tank x 30 - x,

Aquarium fish tank x 30 - x,

£52.70
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Hidom submersible aquarium - hidom,

Hidom submersible aquarium - hidom,

£13.45
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Hidom submersible aquarium - hidom,

Hidom submersible aquarium - hidom,

£13.45
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Superfish eco flow 240 - eco-flow,

Superfish eco flow 240 - eco-flow,

£78.70
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100w aquarium heater - 100w,

100w aquarium heater - 100w,

£15.99
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Glass rectangular aquarium - rectangular,

Glass rectangular aquarium - rectangular,

£42.30
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Boyu 100l glass freshwater - glass,

Boyu 100l glass freshwater - glass,

£203.50
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Fish fun heater - fish, r

Fish fun heater - fish, r

£9.99
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Aquarium air pump kit - kit, silent

Aquarium air pump kit - kit, silent

£12.87
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Aquael leddy day - leddy, night

Aquael leddy day - leddy, night

£94.38
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£10.98
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Aqua one aquanano aquariums - one,

Aqua one aquanano aquariums - one,

£351.99
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Oak fish tank 100l 76cm - fish, wide

Oak fish tank 100l 76cm - fish, wide

£379.00
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Marine reef aquarium fishtank - reef,

Marine reef aquarium fishtank - reef,

£212.00
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Easy balance aquarium fish - balance,

Easy balance aquarium fish - balance,

£579.00
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Superfish start tropical - superfish,

Superfish start tropical - superfish,

£72.95
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Aqua one aquanano aquariums - one,

Aqua one aquanano aquariums - one,

£199.99
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Tetra 600 plus internal - 600,

Tetra 600 plus internal - 600,

£23.99
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Aquarium water heater aqua - heater,

Aquarium water heater aqua - heater,

£12.99
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Oase bioplus thermo internal - oase,

Oase bioplus thermo internal - oase,

£61.95
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Fish fun heater - fish,

Fish fun heater - fish,

£9.99
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Seachem purigen sizes filter - sizes,

Seachem purigen sizes filter - sizes,

£245.95
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Superfish aqua flow - flow, 50

Superfish aqua flow - flow, 50

£12.50
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Fluval 103 external aquarium - fluval,

Fluval 103 external aquarium - fluval,

£30.00
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200w aquarium water heater - 50-200w,

200w aquarium water heater - 50-200w,

£11.85
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Superfish aquarium fish tank - aquarium,

Superfish aquarium fish tank - aquarium,

£14.95
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Fish tank allpondsolutions - fish,

Fish tank allpondsolutions - fish,

£13.99
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Aquarium fish tank with full - aquarium,

Aquarium fish tank with full - aquarium,

£52.70
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Sochting oxydator increase - d,

Sochting oxydator increase - d,

£40.00
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Aquarium fish tank - in,

Aquarium fish tank - in,

£16.68
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Superfish aquaflow internal - aquaflow,

Superfish aquaflow internal - aquaflow,

£14.99
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Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£12.15
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Betta 400 external canister - 400,

Betta 400 external canister - 400,

£66.55
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Oase filtosmart 100 - filtosmart, 200

Oase filtosmart 100 - filtosmart, 200

£74.79
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Air driven fish - tank, sponge

Air driven fish - tank, sponge

£4.91
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Oase filtosmart thermo 100 - oase,

Oase filtosmart thermo 100 - oase,

£90.69
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.19
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Aquarium heater ptc fish tank - aquarium,

Aquarium heater ptc fish tank - aquarium,

£55.99
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Read description medium large - *read, medium/large

Read description medium large - *read, medium/large

£42.30
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Silent aquarium oxygen - silent,

Silent aquarium oxygen - silent,

£12.99
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Jrb 210 100w submersible - 100w,

Jrb 210 100w submersible - 100w,

£10.99
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Allpondsolutions internal - allpondsolutions,

Allpondsolutions internal - allpondsolutions,

£13.99
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Eheim air pump 100 - pump,

Eheim air pump 100 - pump,

£21.99
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Aqua one ocellaris - one, external

Aqua one ocellaris - one, external

£51.99
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Betta thermal compact - compact, heater

Betta thermal compact - compact, heater

£13.90
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Oase bioplus internal corner - oase,

Oase bioplus internal corner - oase,

£43.25
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Fluval marina i110 internal - fluval,

Fluval marina i110 internal - fluval,

£20.11
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Aquael air pump 100l - aquael,

Aquael air pump 100l - aquael,

£14.39
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Seachem matrix filter media - filter,

Seachem matrix filter media - filter,

£18.90
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Aquael magic algae - aquael, stop

Aquael magic algae - aquael, stop

£5.99
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Fluval t100 aquarium heater - fluval,

Fluval t100 aquarium heater - fluval,

£25.79
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Aqqa aquarium heater 100w ptc - aqqa,

Aqqa aquarium heater 100w ptc - aqqa,

£55.59
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Aqua one air operated ornament - aqua,

Aqua one air operated ornament - aqua,

£12.45
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Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£12.39
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Econoherm 150w submersible - econoherm,

Econoherm 150w submersible - econoherm,

£10.15
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100w aquarium heater - 100w,

100w aquarium heater - 100w,

£12.95
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Submersible aquarium internal - aquarium,

Submersible aquarium internal - aquarium,

£14.07
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100w fish tank aquarium heater - tank,

100w fish tank aquarium heater - tank,

£10.75
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Marina air pump 100 200 - 100, 300

Marina air pump 100 200 - 100, 300

£15.47
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Tetra easy balance 100ml - balance,

Tetra easy balance 100ml - balance,

£5.75
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Tetratec plus - in,

Tetratec plus - in,

£23.75
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.19
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Superfish bio air filter - superfish,

Superfish bio air filter - superfish,

£15.85
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Aquarium fish tank oxygen - aquarium,

Aquarium fish tank oxygen - aquarium,

£12.99
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Tetra aquasafe 50ml 100ml - tetra,

Tetra aquasafe 50ml 100ml - tetra,

£6.29
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.07
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.07
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Eheim thermocontrol aquarium - thermocontrol,

Eheim thermocontrol aquarium - thermocontrol,

£21.45
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Juwel eccoflow 300 aquarium - juwel,

Juwel eccoflow 300 aquarium - juwel,

£29.97
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Aquarium water heater aqua - water,

Aquarium water heater aqua - water,

£8.80
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Sicce space eko external - space, eko+

Sicce space eko external - space, eko+

£75.95
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Fluval series aquarium - fluval,

Fluval series aquarium - fluval,

£28.99
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Seachem matrix bio - seachem,

Seachem matrix bio - seachem,

£17.85
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Aquarium sponge filter dual - aquarium,

Aquarium sponge filter dual - aquarium,

£8.66
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Aqua one aquanano 100l - 60,

Aqua one aquanano 100l - 60,

£429.99
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Superfish aquarium heater - superfish,

Superfish aquarium heater - superfish,

£14.49
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Submersible aquarium internal - aquarium,

Submersible aquarium internal - aquarium,

£14.19
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Betta choice low level - low,

Betta choice low level - low,

£24.91
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Best submersible aquarium - best,

Best submersible aquarium - best,

£14.19
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Econoherm 50w submersible - 50w,

Econoherm 50w submersible - 50w,

£8.98
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Usb rechargeable oxygen - usb,

Usb rechargeable oxygen - usb,

£34.64
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Versatile fish tank - fish,

Versatile fish tank - fish,

£24.48
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Aquarium heater aqua - eco, 300

Aquarium heater aqua - eco, 300

£10.80
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Aquarium water heater aqua - water,

Aquarium water heater aqua - water,

£13.55
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£23.94
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Aquael platinum submersible - aquael,

Aquael platinum submersible - aquael,

£23.32
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Aquael aquarium platinium - aquael,

Aquael aquarium platinium - aquael,

£26.18
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Aquarian tap water - aquarian, safe

Aquarian tap water - aquarian, safe

£19.87
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Aquarium water heater aqua - heater,

Aquarium water heater aqua - heater,

£12.99
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£14.19
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Submersible aquarium internal - submersible,

Submersible aquarium internal - submersible,

£23.94
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Air driven sponge filter - sponge, for

Air driven sponge filter - sponge, for

£3.80
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Luby 3600 aquarium - luby,

Luby 3600 aquarium - luby,

£10.99
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Aquael comfort zone - aquael, gold

Aquael comfort zone - aquael, gold

£23.58
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Aquarium fish tank with full - fish,

Aquarium fish tank with full - fish,

£94.30
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📊96 listings · from £3.8 · avg £51.42

Browse 96 100l fish tank listings currently in our index. Prices range from £3.8 to £579, with an average of £51.42. 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 →

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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 £3.8, while premium listings can reach £579 — giving you a wide budget spread to work with. The average price of £51.42 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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