Tetra aquarium
Tetra aquarium for sale on Ireland's largest auction and classifieds sites
Tetra aquarium crystal water - crystal, - £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 aquarium tap - tetra, - £11.45
This especially helpful • New fish following • Maintenance when treating - Free postage - New and Used
This especially helpful • New fish following • Maintenance when treating - Free postage - New and Used
Tetra aquasafe water - tetra, - £8.99
Whether you are • Setting new tank • Performing your weekly - Free postage - New and Used
Whether you are • Setting new tank • Performing your weekly - Free postage - New and Used
Tetra aquasafe water - tetra, - £14.98
Tap water safe • Freshwater marine fish • Tetra aquasafe - Free postage - New and Used
Tap water safe • Freshwater marine fish • Tetra aquasafe - Free postage - New and Used
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Tetra aquasafe 100ml - tetra, - £31.99
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
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48 listings · from £3.99 · avg £16.75
⚠️ These listings were last updated more than 10 days ago.
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Browse 48 tetra aquarium listings currently in our index. Prices range from £3.99 to £87.95, with an average of £16.75. 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 safe start - safe, 100ml - £6.60
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 easybalance long - tetra, - £14.83
Use tetra easybalance • Help avoid frequent • Water changes keep - Free postage - New and Used
Use tetra easybalance • Help avoid frequent • Water changes keep - Free postage - New and Used
Tetra algumin 250ml aquarium - tetra, - £24.99
- Free postage - New and Used
- Free postage - New and Used
Tetra aquasafe 500ml - tetra, - £15.44
Tetra aquasafe 500ml • Makes tap water • Safe fish reliably - Free postage - New and Used
Tetra aquasafe 500ml • Makes tap water • Safe fish reliably - Free postage - New and Used
Tetra safestart aquarium water - tetra, - £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 pro colour - colour, 2x20g - £7.00
Colour concentrate beautiful • Colourful fish advanced • Daily diet all - Free postage - New and Used
Colour concentrate beautiful • Colourful fish advanced • Daily diet all - Free postage - New and Used
Tropical fish food tetramin - fish, - £13.19
Tetra tropical flakes • Fish tank food • 200g bag flaked - Free postage - New and Used
Tetra tropical flakes • Fish tank food • 200g bag flaked - Free postage - New and Used
Tetra tetramin tropical flake - 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 aquasafe water - aquasafe, - £10.78
Aquasafe water conditioner • Safe fish freshwater • Marine protect your - Free postage - New and Used
Aquasafe water conditioner • Safe fish freshwater • Marine protect your - Free postage - New and Used
Tetra pleco spirulina - pleco, 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 aquarium nitrate minus - aquarium, - £11.95
Tetra nitrate minus • Natural end product • Healthy biological filtration - Free postage - New and Used
Tetra nitrate minus • Natural end product • Healthy biological filtration - Free postage - New and Used
Tetra aquasafe - tetra, (5000ml) - £29.99
Save money buying • Bottle - Free postage - New and Used
Save money buying • Bottle - Free postage - New and Used
Tetra fun tips - tips, (75 - £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 aquarium water - 6, 1 - £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 tetramin 20g 52g 100g - 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 aquarium flakes tetramin - aquarium, - £14.49
Tetramin flakes sizes • Consisting more than • High quality raw - Free postage - New and Used
Tetramin flakes sizes • Consisting more than • High quality raw - 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 aquasafe aquarium tap - tetra, - £6.80
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 pro colour premium - tetra, - £7.99
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 pleco spirulina algae - pleco, - £7.85
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 prima 100ml - tetra, mini - £5.96
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 safestart safe start - safe, - £6.60
Tetra safestart 50ml • Introduces live filter • Bacteria that enable - Free postage - New and Used
Tetra safestart 50ml • Introduces live filter • Bacteria that enable - Free postage - New and Used
Tetra easy balance 100ml - balance, 250ml - £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 nitrate minus 250ml - nitrate, - £11.95
Tetra aquarium nitrate • Minus freshwater aquariums • Water can encourage - Free postage - New and Used
Tetra aquarium nitrate • Minus freshwater aquariums • Water can encourage - Free postage - New and Used
Tetra pro colour - colour, multi - £10.79
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 aquasafe 500ml - tetra, - £18.45
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 crystalwater aquarium - crystalwater, - £9.95
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 cichlid sticks 30g - tetra, - £14.49
Tetra cichlid sticks • Are specially cichlids • That like feed - Free postage - New and Used
Tetra cichlid sticks • Are specially cichlids • That like feed - Free postage - New and Used
Tetra crystal water clears - crystal, - £9.59
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 min tetramin - tetra, tropical - £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 aquasafe aquarium water - tetra, - £17.49
Tetra aquasafe 250ml • Water conditioner which • Safe fish plants - Free postage - New and Used
Tetra aquasafe 250ml • Water conditioner which • Safe fish plants - Free postage - New and Used
Tetra nitrate minus aquarium - nitrate, - £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 nitrate minus - minus, - £10.99
Tetra nitrate minus • Naturally effectively safely • No3 both freshwater - Free postage - New and Used
Tetra nitrate minus • Naturally effectively safely • No3 both freshwater - Free postage - New and Used
Tetra min complete food - min, - £26.99
Consists more than • High quality raw • Materials feed typeflake - Free postage - New and Used
Consists more than • High quality raw • Materials feed typeflake - Free postage - New and Used
Tetra test strips - test, - £13.45
Tetra test makes • Water quality monitoring • Simple efficient helping - Free postage - New and Used
Tetra test makes • Water quality monitoring • Simple efficient helping - Free postage - New and Used
Tetra aquasafe litre - 5, - £30.95
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 filter active 100ml - tetra, - £8.61
Tetra filteractive contains • Natural bacterial cultures • 100 biological its - Free postage - New and Used
Tetra filteractive contains • Natural bacterial cultures • 100 biological its - Free postage - New and Used
Tetra pro colour tropical - colour, | - £3.99
Pond plant basket • Labs aquarium stabiliser • Evolution aqua 12mm - Free postage - New and Used
Pond plant basket • Labs aquarium stabiliser • Evolution aqua 12mm - Free postage - New and Used
Tetra aquasafe aquarium - aquasafe, - £7.50
Tap water • Aqua safe aquarium • Fish removing harmful - Free postage - New and Used
Tap water • Aqua safe aquarium • Fish removing harmful - Free postage - New and Used
Tetra tetratec air - tetratec, - £36.62
Includes air tap • Adjusting • Flow - Free postage - New and Used
Includes air tap • Adjusting • Flow - Free postage - New and Used
Tetra pro energy tetrapro - tetra, - £11.49
Concentrated energy centre • Improved condition - Free postage - New and Used
Concentrated energy centre • Improved condition - Free postage - New and Used
Tetra test 25 - 6, strips - £13.49
Test strip strips • Quick easy method • Measuring parameters quality - Free postage - New and Used
Test strip strips • Quick easy method • Measuring parameters quality - Free postage - New and Used
Tetra plantamin 250ml plant - 250ml, - £12.45
Tetraplant plantamin liquid • Fertiliser formulated support • Health growth aquatic - Free postage - New and Used
Tetraplant plantamin liquid • Fertiliser formulated support • Health growth aquatic - 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 £3.99, while premium listings can reach £87.95 — giving you a wide budget spread to work with. The average price of £16.75 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.