50l fish tank
50l fish tank for sale on Ireland's largest auction and classifieds sites
Diversa aquarium fish - aquarium, - £229.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Swell glass aquarium 50cm - swell, – - £68.51
Swell aqua oasis • Aquarium 50cm sleek • Compact 40l glass - Free postage - New and Used
Swell aqua oasis • Aquarium 50cm sleek • Compact 40l glass - Free postage - New and Used
Aquarium heater submersible - heater, - £14.99
Preset heater set • Degrees appropriate most • Tropical fish shrimp - Free postage - New and Used
Preset heater set • Degrees appropriate most • Tropical fish shrimp - Free postage - New and Used
Aqua one aqualume glass - aqua, - £99.99
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
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Diversa aquarium with stand - aquarium, - £295.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
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48 listings · from £3.99 · avg £114.74
⚠️ These listings were last updated more than 8 days ago.
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Browse 48 50l fish tank listings currently in our index. Prices range from £3.99 to £479.99, with an average of £114.74. 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 50l fish tank →
Diversa aquarium with stand - diversa, - £479.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Aquael glass aquarium fish - aquarium, - £54.99
Aquael glass aquarium • More than just • Tank gateway new - Free postage - New and Used
Aquael glass aquarium • More than just • Tank gateway new - Free postage - New and Used
Diversa aquarium fish tank - aquarium, - £89.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with stand - aquarium, - £459.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with stand - with, / - £405.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with - aquarium, - £359.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Aqua one focus - aqua, - £95.99
Create visually stunning • Spectrum that enhances • Colours your fish - Free postage - New and Used
Create visually stunning • Spectrum that enhances • Colours your fish - Free postage - New and Used
Elegant 45l fish - elegant, tank - £99.99
Type tank only • Shape rectangle standard • Material glass aquarium - Free postage - New and Used
Type tank only • Shape rectangle standard • Material glass aquarium - Free postage - New and Used
Superfish aqua flow - superfish, filter - £16.99
Superfish aqua flow • Dual action filtration • System suitable both - Free postage - New and Used
Superfish aqua flow • Dual action filtration • System suitable both - Free postage - New and Used
Superfish start tropical - superfish, 50 - £82.99
Superfish start tropical • Aquarium kit key • Aqua flow 100 - Free postage - New and Used
Superfish start tropical • Aquarium kit key • Aqua flow 100 - Free postage - New and Used
Superfish aquaflow aquarium - superfish, - £14.99
Superfish internal aquarium • Water algae filter • Pads cf20 reduce - Free postage - New and Used
Superfish internal aquarium • Water algae filter • Pads cf20 reduce - Free postage - New and Used
Pawhut turtle tank 50l - tank, - £59.99
Easy clean hole • Bottom 100cm water • Pipe this terrapin - Free postage - New and Used
Easy clean hole • Bottom 100cm water • Pipe this terrapin - Free postage - New and Used
Diversa aquarium with - diversa, stand - £359.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with - aquarium, stand - £335.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Superfish start complete - start, - £92.49
Superfish start complete • Tropical starter set • Eco heater 100w - Free postage - New and Used
Superfish start complete • Tropical starter set • Eco heater 100w - Free postage - New and Used
Fluval aquarium heater - fluval, - £26.99
Suitable aquariums 300l • Available five sizes • These heaters cater - Free postage - New and Used
Suitable aquariums 300l • Available five sizes • These heaters cater - Free postage - New and Used
Aquarium fish tank from - tank, - £285.99
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Superfish white led panorama - white, - £95.99
Panorama 49l capacity • Led lighting great • Larger fish more - Free postage - New and Used
Panorama 49l capacity • Led lighting great • Larger fish more - Free postage - New and Used
Superfish start aquarium - start, & - £163.99
Superfish start tropical • Aquarium kit • Tank sets cabinet - Free postage - New and Used
Superfish start tropical • Aquarium kit • Tank sets cabinet - Free postage - New and Used
Aquarium 270l fish - 270l, tank - £288.00
Capacity about 270l • 120 50cm make • Freshwater saltwater aquariums - Free postage - New and Used
Capacity about 270l • 120 50cm make • Freshwater saltwater aquariums - Free postage - New and Used
Superfish aqua flow - flow, 50 - £12.50
Superfish aqua flow • Essential part cleaning • Your aquarium effective - Free postage - New and Used
Superfish aqua flow • Essential part cleaning • Your aquarium effective - Free postage - New and Used
Stainless steel aquarium - stainless, - £10.99
Aquariums between 20l • 500l 50w 100w • 200w 300w 500w - Free postage - New and Used
Aquariums between 20l • 500l 50w 100w • 200w 300w 500w - Free postage - New and Used
Superfish aqua flow - superfish, - £9.99
Superfish aquaflow internal • Filter compact efficient • Filtration solution aquariums - Free postage - New and Used
Superfish aquaflow internal • Filter compact efficient • Filtration solution aquariums - Free postage - New and Used
50w 500w led digital - led, aquarium - £17.76
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Hidom aquarium heater - hidom, - £10.95
Aquarium heater multiple • Sizes 25w 300w • 50w 75w 100w - Free postage - New and Used
Aquarium heater multiple • Sizes 25w 300w • 50w 75w 100w - Free postage - New and Used
Aquarium 50w 500w digital - aquarium, - £17.30
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
50w aquarium heater - 50w, - £11.45
Hidom 50w aquarium • Heater adjustable thermostat • Maintain stable water - Free postage - New and Used
Hidom 50w aquarium • Heater adjustable thermostat • Maintain stable water - Free postage - New and Used
Aquarium 270l fish tank 120cm - 270l, - £288.00
Capacity about 270l • 120 50cm make • Freshwater saltwater aquariums - Free postage - New and Used
Capacity about 270l • 120 50cm make • Freshwater saltwater aquariums - Free postage - New and Used
Fluval 50w submersible - fluval, m - £20.29
Fluval series heaters • Include exclusive mirror • Technology that reflects - Free postage - New and Used
Fluval series heaters • Include exclusive mirror • Technology that reflects - Free postage - New and Used
Superfish start tropical - superfish, - £91.89
Superfish start tropical • Aquarium kit • Tank sets - Free postage - New and Used
Superfish start tropical • Aquarium kit • Tank sets - Free postage - New and Used
Tropical aquarium fish - tropical, tank - £20.03
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Fluval series aquarium - t, - £21.99
360 indicator light • Ring displays heat • Mode clearly from - Free postage - New and Used
360 indicator light • Ring displays heat • Mode clearly from - Free postage - New and Used
Evolution aqua micro - micro, filter - £118.95
This process which • Removes harmful ammonia • Nitrite from water - Free postage - New and Used
This process which • Removes harmful ammonia • Nitrite from water - Free postage - New and Used
50w 500w led - digital, aquarium - £17.80
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Hidom submersible tropical - hidom, - £10.95
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
Waterlife aquarium fish - aquarium, - £3.99
Ammonia raw waste • Product excreted fish • Very toxic even - Free postage - New and Used
Ammonia raw waste • Product excreted fish • Very toxic even - Free postage - New and Used
Oase bioplus thermo - oase, - £42.99
Filter heater combined • One compact unit • Gives you access - Free postage - New and Used
Filter heater combined • One compact unit • Gives you access - Free postage - New and Used
Fluval aquarium heater - fluval, t - £32.09
Watt heater aquariums • Fluval series aquarium • Use only t50 - Free postage - New and Used
Watt heater aquariums • Fluval series aquarium • Use only t50 - Free postage - New and Used
Superfish aqua flow - superfish, 50 - £9.99
Superfish aquaflow internal • Filter compact efficient • Filtration solution aquariums - Free postage - New and Used
Superfish aquaflow internal • Filter compact efficient • Filtration solution aquariums - Free postage - New and Used
Pond koi filter media bio - koi, - £69.99
All one pond • Pump sterilizer foams • Solutions cup 129 - Free postage - New and Used
All one pond • Pump sterilizer foams • Solutions cup 129 - Free postage - New and Used
Superfish start aquarium stand - superfish, - £59.99
74cm superfish start • Stunning purpose made • Stands range - Free postage - New and Used
74cm superfish start • Stunning purpose made • Stands range - Free postage - New and Used
Small aquarium heater - small, - £11.95
25w 50w 75w • 100w aquarium heaters • Fish tanks multiple - Free postage - New and Used
25w 50w 75w • 100w aquarium heaters • Fish tanks multiple - Free postage - New and Used
100w aquarium heater - 100w, - £14.99
Tank 100 litres • Power 100w smart • Thermostat led display - Free postage - New and Used
Tank 100 litres • Power 100w smart • Thermostat led display - Free postage - New and Used
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Everything you need to know about 50l fish tank
Whether you are looking for a brand-new or second-hand 50l fish tank, eBay offers one of the largest selections available online. With 48 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 £3.99, while premium listings can reach £479.99 — giving you a wide budget spread to work with. The average price of £114.74 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.