Tetra aquarium
Tetra aquarium for sale on Ireland's largest auction and classifieds sites
Tetra aquarium crystal water - aquarium, - £9.05
Tetra crystal water • Clarifier warning not • Use this product - Free postage - New and Used
Tetra crystal water • Clarifier warning not • Use this product - Free postage - New and Used
Tetra aquasafe 100ml 250ml - aquasafe, - £29.99
Tetra aquasafe • Highly effective water • Conditioner make tap - Free postage - New and Used
Tetra aquasafe • Highly effective water • Conditioner make tap - Free postage - New and Used
Tetra pleco spirulina - tetra, wafers - £14.99
150g pouch complete • Food all large • Herbivorous bottom feeding - Free postage - New and Used
150g pouch complete • Food all large • Herbivorous bottom feeding - Free postage - New and Used
Tetra algumin 100ml - 100ml, 250ml - £7.99
Easy use available • 100ml 250ml bottles • Dose ensuring you - Free postage - New and Used
Easy use available • 100ml 250ml bottles • Dose ensuring you - Free postage - New and Used
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Tetra aquasafe 250ml tap - tetra, - £10.35
What more its • Vitamin mix reduces • Any stress that - Free postage - New and Used
What more its • Vitamin mix reduces • Any stress that - Free postage - New and Used
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48 listings · from £4.33 · avg £16.86
⚠️ These listings were last updated more than 98 days ago.
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Browse 48 tetra aquarium listings currently in our index. Prices range from £4.33 to £87.95, with an average of £16.86. 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 tetra aquarium →
Tetra pro colour premium - tetra, - £15.45
Produced gentle low • Heat process they • Retain essential nutrients - Free postage - New and Used
Produced gentle low • Heat process they • Retain essential nutrients - Free postage - New and Used
Tetra tetramin tropical - tetramin, - £13.68
Tetramin 100g tub • Aquarium tropical fish • 2.1kg bucket clean - Free postage - New and Used
Tetramin 100g tub • Aquarium tropical fish • 2.1kg bucket clean - Free postage - New and Used
Tetra safestart aquarium water - safestart, - £12.65
Live bacteria contained • Within tetra safestart • Instantly creates biologically - Free postage - New and Used
Live bacteria contained • Within tetra safestart • Instantly creates biologically - Free postage - New and Used
Tetra algumin quickly combats - quickly, - £10.57
Tetra algumin combats • All types algae • Effectively liquid formula - Free postage - New and Used
Tetra algumin combats • All types algae • Effectively liquid formula - Free postage - New and Used
Tetra aquasafe aquarium tap - aquasafe, - £7.05
Promotes healthy water • That more closely • Represents natural habitats - Free postage - New and Used
Promotes healthy water • That more closely • Represents natural habitats - Free postage - New and Used
Tetra tetramin - tetra, - £87.45
Tetra tetramin aquarium • Tropical fish flake • Food its patented - Free postage - New and Used
Tetra tetramin aquarium • Tropical fish flake • Food its patented - Free postage - New and Used
Tetra nitrate minus aquarium - tetra, - £11.49
Reduces algae nutrient • Nitrate no3 reliably • Natural way tetra - Free postage - New and Used
Reduces algae nutrient • Nitrate no3 reliably • Natural way tetra - Free postage - New and Used
Tetra filter active live - filter, - £37.99
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
Tetra aquasafe 500ml tap water - aquasafe, - £17.70
Usage treat new • Tap water aquasafe • Before adding your - Free postage - New and Used
Usage treat new • Tap water aquasafe • Before adding your - Free postage - New and Used
Tetra filter active bacteria - active, - £7.99
Tetra filter active • Bacteria used maintaining • Biological activity aquarium - Free postage - New and Used
Tetra filter active • Bacteria used maintaining • Biological activity aquarium - Free postage - New and Used
Tetra aquasafe litre fish - aquasafe, - £29.99
Aquasafe must have • Maintaining stress free • Safe aquarium tetra - Free postage - New and Used
Aquasafe must have • Maintaining stress free • Safe aquarium tetra - Free postage - New and Used
Tetra safe start 50ml - start, - £18.99
Tetra safe start • Safestart levels rise • Perform partial water - Free postage - New and Used
Tetra safe start • Safestart levels rise • Perform partial water - Free postage - New and Used
Tetra algumin 100ml 250ml - tetra, - £7.49
Use onset algae • Problems - Free postage - New and Used
Use onset algae • Problems - Free postage - New and Used
Tetra pleco spirulina algae - tetra, - £5.10
Tetra pleco multi • Wafers are specially • Large herbivorous bottom - Free postage - New and Used
Tetra pleco multi • Wafers are specially • Large herbivorous bottom - Free postage - New and Used
Tetra aquarium water - tetra, 6 - £6.99
Dip test checking • Water quality indicators • Just seconds tests - Free postage - New and Used
Dip test checking • Water quality indicators • Just seconds tests - Free postage - New and Used
Tetra crystal water clears - water, - £13.49
Tetra crystal water • Quickly effectively clears • Just few hours - Free postage - New and Used
Tetra crystal water • Quickly effectively clears • Just few hours - Free postage - New and Used
Tetra tetramin 20g 52g - tetra, 52g, - £21.75
Tetramin fish flake • Food biological balanced • Clear water complete - Free postage - New and Used
Tetramin fish flake • Food biological balanced • Clear water complete - Free postage - New and Used
Tetra crystal water 100ml - tetra, - £24.99
Application when opacities • Add per aquarium • Value wait atleast - Free postage - New and Used
Application when opacities • Add per aquarium • Value wait atleast - Free postage - New and Used
Tetra prima 100ml - tetra, - £5.44
Slow sinking granules • Ideal mid water • Bottom feeders reducing - Free postage - New and Used
Slow sinking granules • Ideal mid water • Bottom feeders reducing - Free postage - New and Used
Tetra easy balance - tetra, 100ml - £10.95
Tetra easy balance • Water conditioner aquariums • Per liters gallons - Free postage - New and Used
Tetra easy balance • Water conditioner aquariums • Per liters gallons - Free postage - New and Used
Tetra aquasafe 50ml 100ml - 50ml, - £4.79
What more its • Vitamin mix reduces • Any stress that - Free postage - New and Used
What more its • Vitamin mix reduces • Any stress that - Free postage - New and Used
Tetra crystalwater aquarium - crystalwater, - £14.75
Eliminates clouding from • Aquarium water within • Matter hours suitable - Free postage - New and Used
Eliminates clouding from • Aquarium water within • Matter hours suitable - Free postage - New and Used
Tetra aquarium crystal water - tetra, - £8.65
Wait least hours • Before applying second • Dose required crystal - Free postage - New and Used
Wait least hours • Before applying second • Dose required crystal - Free postage - New and Used
Tetra aquasafe aquarium - aquarium, fish - £4.99
Treat all tap • Water adding 5ml • Freshwater marine aquarium - Free postage - New and Used
Treat all tap • Water adding 5ml • Freshwater marine aquarium - Free postage - New and Used
Tetra aquarium fish tank - tetra, - £4.49
Aerate aquarium throughout • Night organic pollution • Leads continuous increase - Free postage - New and Used
Aerate aquarium throughout • Night organic pollution • Leads continuous increase - Free postage - New and Used
Tetra easybalance 500ml ph - 500ml, - £15.99
Refreshing aquarium water • Crucial aspect good • Fishkeeping traditionally requiring - Free postage - New and Used
Refreshing aquarium water • Crucial aspect good • Fishkeeping traditionally requiring - Free postage - New and Used
Tetra aquasafe tap - tetra, x - £30.99
Add 5ml per • Litres gallons new • Tap water before - Free postage - New and Used
Add 5ml per • Litres gallons new • Tap water before - Free postage - New and Used
Tetra min tetramin - tetra, - £87.95
Tetra tetramin flakes • Nutritionally balanced easily • Digestible premium flake - Free postage - New and Used
Tetra tetramin flakes • Nutritionally balanced easily • Digestible premium flake - Free postage - New and Used
Tetra aquarium crystal water - crystal, - £10.95
Wait least hours • Before applying second • Dose required harmless - Free postage - New and Used
Wait least hours • Before applying second • Dose required harmless - Free postage - New and Used
Printed automatic fish - 3d, - £29.99
This automatic fish • Spawn moss they • Lay their eggs - Free postage - New and Used
This automatic fish • Spawn moss they • Lay their eggs - Free postage - New and Used
Tetra algumin aquarium - aquarium, fish - £8.05
Tetra algumin rapidly • Combats all types • Algae found tropical - Free postage - New and Used
Tetra algumin rapidly • Combats all types • Algae found tropical - Free postage - New and Used
Tetra aquasafe aquarium tap - tetra, - £14.49
Tap water contains • Chlorine chloramine while • Safe humans these - Free postage - New and Used
Tap water contains • Chlorine chloramine while • Safe humans these - Free postage - New and Used
Tetra algumin aquarium algae - tetra, - £8.49
Prevent algae growth • Nutrients phosphate po4 • Nitrate no3 should - Free postage - New and Used
Prevent algae growth • Nutrients phosphate po4 • Nitrate no3 should - Free postage - New and Used
Tetramin tropical flake - tetramin, fish - £13.45
Tetramin aquarium tropical • Fish food flake • Balanced diet health - Free postage - New and Used
Tetramin aquarium tropical • Fish food flake • Balanced diet health - Free postage - New and Used
Tetra prima discus granules - prima, - £45.25
Available multiple sizes • These slow sinking • Granules provide balanced - Free postage - New and Used
Available multiple sizes • These slow sinking • Granules provide balanced - Free postage - New and Used
Tetra fun tips tablets - fun, - £5.95
Tetra fun tips • Are adhesive food • Tablets tropical fish - Free postage - New and Used
Tetra fun tips • Are adhesive food • Tablets tropical fish - Free postage - New and Used
Tetra pro colour - pro, - £6.49
Tetrapro has set • New standard fish • Nutrition premium complete - Free postage - New and Used
Tetrapro has set • New standard fish • Nutrition premium complete - Free postage - New and Used
Tetra holiday food vacation - tetra, - £6.45
Tetramin 200g 400g • Total tetra min • Tropical fish food - Free postage - New and Used
Tetramin 200g 400g • Total tetra min • Tropical fish food - Free postage - New and Used
Tetra pro colour crisps - tetra, - £15.45
Tetrapro colour premium • Food high quality • Fishkeepers who seek - Free postage - New and Used
Tetrapro colour premium • Food high quality • Fishkeepers who seek - Free postage - New and Used
Tetra prima aquarium - aquarium, food - £7.58
Tetra prima aquarium • Fish food granules - Free postage - New and Used
Tetra prima aquarium • Fish food granules - Free postage - New and Used
Tetra aquasafe aquarium - tetra, - £4.33
Aquasafe will also • Replace water beneficial • Properties iodine vitamin - Free postage - New and Used
Aquasafe will also • Replace water beneficial • Properties iodine vitamin - Free postage - New and Used
Tetra aquasafe tap water - aquasafe, - £6.39
Tetra aquasafe tap • Water conditioner safe • Healthy aquariums 100ml - Free postage - New and Used
Tetra aquasafe tap • Water conditioner safe • Healthy aquariums 100ml - Free postage - New and Used
Tetra aquasafe aquarium tap - tetra, - £14.01
Tetra aquasafe water • Conditioner that makes • Safe fish plants - Free postage - New and Used
Tetra aquasafe water • Conditioner that makes • Safe fish plants - Free postage - New and Used
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Everything you need to know about tetra aquarium
Whether you are looking for a brand-new or second-hand tetra 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 £4.33, while premium listings can reach £87.95 — giving you a wide budget spread to work with. The average price of £16.86 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.