Freshwater aquarium
Freshwater aquarium for sale on Ireland's largest auction and classifieds sites
Water lettuce best - x, - £12.45
Water lettuce plants • Will great addition • Your tropical coldwater - Free postage - New and Used
Water lettuce plants • Will great addition • Your tropical coldwater - Free postage - New and Used
Swell aquarium 60cm - swell, - £88.99
Only turn your • Filter heater after • You have filled - Free postage - New and Used
Only turn your • Filter heater after • You have filled - Free postage - New and Used
100 live aquarium aquatic - live, - £34.70
These plants will • Bunched fives you • Receive bunches five - Free postage - New and Used
These plants will • Bunched fives you • Receive bunches five - Free postage - New and Used
Api co2 booster freshwater - booster, - £8.65
Clearance stock priced • Clear expiry 2026 • Api co2 booster - Free postage - New and Used
Clearance stock priced • Clear expiry 2026 • Api co2 booster - Free postage - New and Used
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Api freshwater aquarium salt - freshwater, - £10.99
Contains one api • Aquarium salt freshwater • 844 gram box - Free postage - New and Used
Contains one api • Aquarium salt freshwater • 844 gram box - Free postage - New and Used
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48 listings · from £4.17 · avg £24.41
Browse 48 freshwater aquarium listings currently in our index. Prices range from £4.17 to £199.99, with an average of £24.41. 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 freshwater aquarium →
Pothos nitrate remover - pothos, - £6.99
Pothos nitrate remover • Freshwater aquarium clean • Plant used aquariums - Free postage - New and Used
Pothos nitrate remover • Freshwater aquarium clean • Plant used aquariums - Free postage - New and Used
Api stress coat - api, - £13.95
Available multiple sizes • Effectively treats tap • Water making safe - Free postage - New and Used
Available multiple sizes • Effectively treats tap • Water making safe - Free postage - New and Used
Api aquarium salt - api, - £7.58
Product freshwater aquarium • Salt improves respiration • Assists fish breathing - Free postage - New and Used
Product freshwater aquarium • Salt improves respiration • Assists fish breathing - Free postage - New and Used
Api quick start freshwater - quick, - £13.79
Contains one api • Quick start freshwater • Saltwater aquarium nitrifying - Free postage - New and Used
Contains one api • Quick start freshwater • Saltwater aquarium nitrifying - Free postage - New and Used
Api accu clear freshwater - api, - £7.75
Api accu clear • 118ml aquarium cloudy • Effective water clarifier - Free postage - New and Used
Api accu clear • 118ml aquarium cloudy • Effective water clarifier - Free postage - New and Used
Atm colony freshwater - colony, - £15.90
Unlike other nitrifying • Bacteria products atm • Biological formulas are - Free postage - New and Used
Unlike other nitrifying • Bacteria products atm • Biological formulas are - Free postage - New and Used
Api accu clear - api, accu-clear - £8.80
Api accu clear • Item 111b 118ml • Treats 467 litres - Free postage - New and Used
Api accu clear • Item 111b 118ml • Treats 467 litres - Free postage - New and Used
Api accu clear - api, accu-clear - £7.79
Contains one api • Accu clear freshwater • Aquarium water clarifier - Free postage - New and Used
Contains one api • Accu clear freshwater • Aquarium water clarifier - Free postage - New and Used
Aquarium aquatic tropical - 60, - £24.50
You will receive • Aquarium plants this • Which start root - Free postage - New and Used
You will receive • Aquarium plants this • Which start root - Free postage - New and Used
Freshwater aquarium buffers - freshwater, - £12.99
Down are scientifically • Formulated safely decrease • Increase without regulation - Free postage - New and Used
Down are scientifically • Formulated safely decrease • Increase without regulation - Free postage - New and Used
Rikka no3 po4 fe - 3, - £10.80
Rikka no3 po4 • Freshwater aquarium test • Kitcombines different tests - Free postage - New and Used
Rikka no3 po4 • Freshwater aquarium test • Kitcombines different tests - Free postage - New and Used
Legend planaria treatment - planaria, - £17.55
Planaria are freshwater • Flatworms commonly introduced • Through plants substrate - Free postage - New and Used
Planaria are freshwater • Flatworms commonly introduced • Through plants substrate - Free postage - New and Used
Seachem alkaline buffer - seachem, - £12.85
Seachem alkaline buffer • Formulated raise alkalinity • Freshwater aquariums suitable - Free postage - New and Used
Seachem alkaline buffer • Formulated raise alkalinity • Freshwater aquariums suitable - Free postage - New and Used
Api quick start freshwater - quick, - £4.17
Contains one api • Quick start freshwater • Saltwater aquarium nitrifying - Free postage - New and Used
Contains one api • Quick start freshwater • Saltwater aquarium nitrifying - Free postage - New and Used
Api fresh water - api, master - £30.95
Provides highly accurate • Results economical choice • Maintaining optimal water - Free postage - New and Used
Provides highly accurate • Results economical choice • Maintaining optimal water - Free postage - New and Used
Pothos nitrate remover - pothos, - £5.99
Grown home aquarium • Pothos nitrate remover • Clean water leaves - Free postage - New and Used
Grown home aquarium • Pothos nitrate remover • Clean water leaves - Free postage - New and Used
Api down 118ml - ph, freshwater - £10.95
Safe use aquarium • Plants api down • Solution maintain optimal - Free postage - New and Used
Safe use aquarium • Plants api down • Solution maintain optimal - Free postage - New and Used
Api leaf zone freshwater - zone, - £10.09
Contains one api • Leaf zone freshwater • Aquarium plant fertilizer - Free postage - New and Used
Contains one api • Leaf zone freshwater • Aquarium plant fertilizer - Free postage - New and Used
Easy life algexit 500ml - life, - £11.00
Can used part • Routine care program • Maintain balanced water - Free postage - New and Used
Can used part • Routine care program • Maintain balanced water - Free postage - New and Used
Tetra filter active live - tetra, - £12.20
Available 100ml 250ml • Bottles treats 400 • 000 litres respectively - Free postage - New and Used
Available 100ml 250ml • Bottles treats 400 • 000 litres respectively - Free postage - New and Used
Java fern large - java, - £12.95
Java fern doesn • Require any special • Living conditions can - Free postage - New and Used
Java fern doesn • Require any special • Living conditions can - Free postage - New and Used
Fluval plant led - fluval, - £199.99
Fluval plant 3.0 • Led 59w such • Have huge wealth - Free postage - New and Used
Fluval plant 3.0 • Led 59w such • Have huge wealth - Free postage - New and Used
Seachem clarity water - seachem, - £12.95
Seachem clarity universal • Water clarifier fresh • Suitable both freshwater - Free postage - New and Used
Seachem clarity universal • Water clarifier fresh • Suitable both freshwater - Free postage - New and Used
Live pond cold water - live, - £9.99
Quantity larger potted • Plants selection pond • Coldwater live aquarium - Free postage - New and Used
Quantity larger potted • Plants selection pond • Coldwater live aquarium - Free postage - New and Used
Jbl pro aquatest lab - jbl, - £87.95
Jbl proaqua test • Kit handy suitcase • Contains reagents which - Free postage - New and Used
Jbl proaqua test • Kit handy suitcase • Contains reagents which - Free postage - New and Used
Api quick start freshwater and - quick, - £9.71
Api quick start • Freshwater saltwater aquarium • Nitrifying bacteria 473 - Free postage - New and Used
Api quick start • Freshwater saltwater aquarium • Nitrifying bacteria 473 - Free postage - New and Used
Labs test kit aquarium - test, - £11.49
Tests hardness alkalinity • Nitrate produced beneficial • Bacteria aquarium filters - Free postage - New and Used
Tests hardness alkalinity • Nitrate produced beneficial • Bacteria aquarium filters - Free postage - New and Used
60cm aquarium freshwater - 24"/60cm, - £4.99
This background has • Different freshwater aquarium • Scenes double sided - Free postage - New and Used
This background has • Different freshwater aquarium • Scenes double sided - Free postage - New and Used
Echinodorus red diamond live - red, - £4.99
Echinodorus red diamond • Sword plant known • Its vibrant ruby - Free postage - New and Used
Echinodorus red diamond • Sword plant known • Its vibrant ruby - Free postage - New and Used
Api aquarium salt freshwater - api, - £7.22
Contains one api • Aquarium salt freshwater • 936 gram box - Free postage - New and Used
Contains one api • Aquarium salt freshwater • 936 gram box - Free postage - New and Used
King british tropical 55g - tropical, - £69.99
King british tropical • Aquarium flakes provide • Complete balanced diet - Free postage - New and Used
King british tropical • Aquarium flakes provide • Complete balanced diet - Free postage - New and Used
Fluval flex led aquarium - 2.0, - £129.99
Available sizes 34l • 57l gal dual • Includes spray bar - Free postage - New and Used
Available sizes 34l • 57l gal dual • Includes spray bar - Free postage - New and Used
125 interpet quick clear - ml, - £6.85
Easy use 1ml • Quick clear treats • Litres aquarium water - Free postage - New and Used
Easy use 1ml • Quick clear treats • Litres aquarium water - Free postage - New and Used
Api aquarium water - aquarium, test - £50.00
Simply dip strip • Into aquarium water • Compare colours included - Free postage - New and Used
Simply dip strip • Into aquarium water • Compare colours included - Free postage - New and Used
Cloverleaf absolute aquarium - absolute, - £7.89
Lead others copy • Follow got shrimp • Other inverts discus - Free postage - New and Used
Lead others copy • Follow got shrimp • Other inverts discus - Free postage - New and Used
Aquadip green algae control - algae, - £7.85
This includes beard • Brush algae thread • Product will stop - Free postage - New and Used
This includes beard • Brush algae thread • Product will stop - Free postage - New and Used
Anubias live plants small - live, - £50.00
Its thick deep • Green leaves add • Structure beauty your - Free postage - New and Used
Its thick deep • Green leaves add • Structure beauty your - Free postage - New and Used
Api root tabs freshwater - api, - £25.97
Contains one api • Root tabs freshwater • Aquarium plant fertilizer - Free postage - New and Used
Contains one api • Root tabs freshwater • Aquarium plant fertilizer - Free postage - New and Used
Java fern large - fern, "large" - £9.95
Java fern • Large microsorum pteropus • Doesn require any - Free postage - New and Used
Java fern • Large microsorum pteropus • Doesn require any - Free postage - New and Used
Api 5in1 aquarium water - api, - £6.45
Api test kits • Convenient easy testing • Use set simply - Free postage - New and Used
Api test kits • Convenient easy testing • Use set simply - Free postage - New and Used
Api melafix freshwater - melafix, - £16.39
Cat litter keep • Out reach children • Not intended use - Free postage - New and Used
Cat litter keep • Out reach children • Not intended use - Free postage - New and Used
Large 5mm 20mm trumpet - 5mm, - £16.15
Large 5mm 20mm • Trumpet cleaners freshwater • Aquarium tank - Free postage - New and Used
Large 5mm 20mm • Trumpet cleaners freshwater • Aquarium tank - Free postage - New and Used
Rikka ph freshwater - gh, - £9.73
Rikka freshwater aquarium • Water test kit • Avoid indicator solution - Free postage - New and Used
Rikka freshwater aquarium • Water test kit • Avoid indicator solution - Free postage - New and Used
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Everything you need to know about freshwater aquarium
Whether you are looking for a brand-new or second-hand freshwater aquarium, 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 £4.17, while premium listings can reach £199.99 — giving you a wide budget spread to work with. The average price of £24.41 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.