Saltwater tank
Saltwater tank for sale on Ireland's largest auction and classifieds sites
Salifert profi test kit - profi, range - £34.95
Test kit salifert • Ammonia nh3 nh4 • Profi - Free postage - New and Used
Test kit salifert • Ammonia nh3 nh4 • Profi - Free postage - New and Used
Internal aquarium fish tank - internal, - £16.99
Internal aquarium filter • Suitable fresh salt • Tanks litres this - Free postage - New and Used
Internal aquarium filter • Suitable fresh salt • Tanks litres this - Free postage - New and Used
Seachem prime aquarium - prime, 4l - £78.95
All our products • Sold are sourced • From australian wholesalers - Free postage - New and Used
All our products • Sold are sourced • From australian wholesalers - Free postage - New and Used
Phlizon 165w dimmable - 165w, led - £285.99
Led aquarium light • Specification model hya05 • 55x3w draw power - Free postage - New and Used
Led aquarium light • Specification model hya05 • 55x3w draw power - Free postage - New and Used
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Api aquarium water test - api, 5 - £12.99
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
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48 listings · from £6.99 · avg £66.99
⚠️ These listings were last updated more than 99 days ago.
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Browse 48 saltwater tank listings currently in our index. Prices range from £6.99 to £289.95, with an average of £66.99. 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 saltwater tank →
Fluval sea salt hydrometer - sea, - £8.99
Its compact design • Allows easily installed • Inside tank continuous - Free postage - New and Used
Its compact design • Allows easily installed • Inside tank continuous - Free postage - New and Used
Api master test - test, kits - £12.99
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
Fluval sea evo - fluval, - £149.99
Whether seen not • Algae removal needs • Regular weekly maintenance - Free postage - New and Used
Whether seen not • Algae removal needs • Regular weekly maintenance - Free postage - New and Used
Reeflowers remalgae aquarium - reeflowers, - £7.75
Reeflowers remalgae prevents • Undesired moss helps • Prevent algae growth - Free postage - New and Used
Reeflowers remalgae prevents • Undesired moss helps • Prevent algae growth - Free postage - New and Used
Aquaforest carbon marine - aquaforest, 1l - £15.99
Carbon aquaforest reef • Mineral salt maintain • Constant level coral - Free postage - New and Used
Carbon aquaforest reef • Mineral salt maintain • Constant level coral - Free postage - New and Used
Tmc salifert profi - salifert, - £11.79
Profitest kit tests • Tmc salifert • Test kits provide - Free postage - New and Used
Profitest kit tests • Tmc salifert • Test kits provide - Free postage - New and Used
Fluval m150 submersible fish - fluval, - £20.99
Use freshwater saltwater • Aquariums durable mirrored • Finish seamlessly blends - Free postage - New and Used
Use freshwater saltwater • Aquariums durable mirrored • Finish seamlessly blends - Free postage - New and Used
Biorb classic aquarium - biorb, acrylic - £129.95
Biorb classic • Complete all one • Aquariums can easily - Free postage - New and Used
Biorb classic • Complete all one • Aquariums can easily - Free postage - New and Used
Seachem prime aquarium - seachem, - £45.93
All our products • Sold are sourced • From australian wholesalers - Free postage - New and Used
All our products • Sold are sourced • From australian wholesalers - Free postage - New and Used
Fluval aquaplus water - fluval, - £12.65
Fluval aqua plus • Formulated pure herbal • Extracts reduces fish - Free postage - New and Used
Fluval aqua plus • Formulated pure herbal • Extracts reduces fish - Free postage - New and Used
Salifert test kit - salifert, - £74.99
Test kit salifert • Carbonate hardness alk • Set including - Free postage - New and Used
Test kit salifert • Carbonate hardness alk • Set including - Free postage - New and Used
Salifert profi test kit - ph, for - £10.25
Salifert profi test • Kit provides precise • Monitoring levels marine - Free postage - New and Used
Salifert profi test • Kit provides precise • Monitoring levels marine - Free postage - New and Used
Salifert test kit set marine - test, - £34.95
Test kit salifert • Carbonate hardness alk • Very straightforward does - Free postage - New and Used
Test kit salifert • Carbonate hardness alk • Very straightforward does - Free postage - New and Used
Api master test kit - test, freshwater - £29.94
Aquarium water testing • Couldn easier nitrite • Nitrate carbonate general - Free postage - New and Used
Aquarium water testing • Couldn easier nitrite • Nitrate carbonate general - Free postage - New and Used
Fluval m50 submersible fish - fluval, - £20.49
Use freshwater saltwater • Aquariums watt heater • Gallons durable mirrored - Free postage - New and Used
Use freshwater saltwater • Aquariums watt heater • Gallons durable mirrored - Free postage - New and Used
Salt water gravimeter digital - salt, - £7.83
Keeping your hands • Clean can prevent • Pollution water from - Free postage - New and Used
Keeping your hands • Clean can prevent • Pollution water from - Free postage - New and Used
Ati essentials set water - ati, - £35.89
Ati essentials • Icp oes used • Any other manufacturers - Free postage - New and Used
Ati essentials • Icp oes used • Any other manufacturers - Free postage - New and Used
Fluval sea evo - 52l, marine - £159.95
Fluval evo aquarium • Set modern rectangular • Glass tank indoor - Free postage - New and Used
Fluval evo aquarium • Set modern rectangular • Glass tank indoor - Free postage - New and Used
Fluval aquaplus cycle 500ml - fluval, & - £24.95
Fluval cycle enhancer • Rapidly introduces beneficial • Bacteria support biological - Free postage - New and Used
Fluval cycle enhancer • Rapidly introduces beneficial • Bacteria support biological - Free postage - New and Used
Jl3 deltec nitrate - jl3, - £31.90
Deltec nitrate reactor • Marine saltwater fish • Tank used working - Free postage - New and Used
Deltec nitrate reactor • Marine saltwater fish • Tank used working - Free postage - New and Used
Salifert test kh - ph, - £39.99
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
50x ammonia test strips - 50x, - £10.99
Ammonia nitrogen refers • Nh3 ammonium ions • Nh4 water also - Free postage - New and Used
Ammonia nitrogen refers • Nh3 ammonium ions • Nh4 water also - Free postage - New and Used
Marine aquarium glass - marine, - £6.99
Salt water marine • Aquariums green indicators • Temperature specific most - Free postage - New and Used
Salt water marine • Aquariums green indicators • Temperature specific most - Free postage - New and Used
Evolution aqua evouv 15w 25w - evolution, - £129.95
Evolution aqua evouv • Aquarium sterilisers 2021 • Importantly evouvs are - Free postage - New and Used
Evolution aqua evouv • Aquarium sterilisers 2021 • Importantly evouvs are - Free postage - New and Used
High performance 1 - high-performance, 3-in-1 - £56.99
Transform your aquatic • Habitat ultimate solution • Both fresh saltwater - Free postage - New and Used
Transform your aquatic • Habitat ultimate solution • Both fresh saltwater - Free postage - New and Used
Tunze comline doc protein - tunze, - £149.99
Sensitive reef biotopes • Stone corals 150 • Litres gal compact - Free postage - New and Used
Sensitive reef biotopes • Stone corals 150 • Litres gal compact - Free postage - New and Used
Led glass aquarium fish tank - glass, - £49.95
Specially allow plenty • Room your fish • Swim explore - Free postage - New and Used
Specially allow plenty • Room your fish • Swim explore - Free postage - New and Used
Hanna 774 marine - hanna, hi-774 - £82.49
Hanna 774 marine • Phosphate ulr checker • Colorimeter saltwater reef - Free postage - New and Used
Hanna 774 marine • Phosphate ulr checker • Colorimeter saltwater reef - Free postage - New and Used
Biorb classic 105l aquarium - biorb, - £289.95
Biorb 105 litre • Classic provides complete • All one aquarium - Free postage - New and Used
Biorb 105 litre • Classic provides complete • All one aquarium - Free postage - New and Used
Api master test - test, fresh - £32.95
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
Aquarian freshwater - aquarian, - £10.02
Aquarian weekly water • Cleaner 118ml bottle • Maintain clean healthy - Free postage - New and Used
Aquarian weekly water • Cleaner 118ml bottle • Maintain clean healthy - Free postage - New and Used
Waterlife buffer 2 8 3 - buffer, 8.3 - £8.95
Waterlife buffer • 8.3 230g ideal • Seawater brackish tropical - Free postage - New and Used
Waterlife buffer • 8.3 230g ideal • Seawater brackish tropical - Free postage - New and Used
Seachem reef complete marine - seachem, - £16.62
Reef complete 100 • Soluble wary products • That are market - Free postage - New and Used
Reef complete 100 • Soluble wary products • That are market - Free postage - New and Used
Tunze comline streamfilter - tunze, - £101.49
Why choose tunze • Comline streamfilter 3163 • This filter perfect - Free postage - New and Used
Why choose tunze • Comline streamfilter 3163 • This filter perfect - Free postage - New and Used
Biorb life aquarium all one - aquarium, - £159.95
Aquarium biorb life • You are looking • Can easily converted - Free postage - New and Used
Aquarium biorb life • You are looking • Can easily converted - Free postage - New and Used
Dragon s breath - dragon’s, - £23.58
Add burst fiery • Color your reef • Saltwater aquarium dragon - Free postage - New and Used
Add burst fiery • Color your reef • Saltwater aquarium dragon - Free postage - New and Used
Hydra marine aquarium - 32, - £239.90
Hydra marine aquarium • Led coral reef • Light fish tank - Free postage - New and Used
Hydra marine aquarium • Led coral reef • Light fish tank - Free postage - New and Used
Oase biorb tube aquarium - tube, - £209.95
Biorb tube • Multi colour led • 15l 328mm 315mm - Free postage - New and Used
Biorb tube • Multi colour led • 15l 328mm 315mm - Free postage - New and Used
Biorb loop aquarium fish tank - fish, - £182.95
Along filter also • Included aquarium air • Stone which provides - Free postage - New and Used
Along filter also • Included aquarium air • Stone which provides - Free postage - New and Used
Color artificial coral - color, - £8.70
Aquarium coral decoration • Suit all terrariums • Aquariums freshwater saltwater - Free postage - New and Used
Aquarium coral decoration • Suit all terrariums • Aquariums freshwater saltwater - Free postage - New and Used
Coral holder high - coral, - £12.92
This our high • Quality acrylic coral • Holders ideal corals - Free postage - New and Used
This our high • Quality acrylic coral • Holders ideal corals - Free postage - New and Used
Tmc vecton aquariumfish - vecton, v2 - £100.99
Tmc vecton 400 • Steriliser suitable aquariums • Litres gallons new - Free postage - New and Used
Tmc vecton 400 • Steriliser suitable aquariums • Litres gallons new - Free postage - New and Used
Freshwater and saltwater - saltwater, fish - £11.28
Aquarian weekly water • Cleaner 118ml bottle • Maintain clean healthy - Free postage - New and Used
Aquarian weekly water • Cleaner 118ml bottle • Maintain clean healthy - Free postage - New and Used
Try this: freshwater tropical fish | large marine fish tanks | sump refugium | aquarium glass | clearseal aquarium tanks | cylinder fish tank | coffee table fish tank | clearseal tank | 3 foot fish tank | 2 foot fish tank
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Everything you need to know about saltwater tank
Whether you are looking for a brand-new or second-hand saltwater 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 £6.99, while premium listings can reach £289.95 — giving you a wide budget spread to work with. The average price of £66.99 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.