Fish tank rocks
Fish tank rocks for sale on Ireland's largest auction and classifieds sites
Aquarium rock fish tank - fish, - £16.19
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium stone rock natural - stone, - £62.63
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Aquarium rock fish tank stone - rock, - £64.79
20kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
20kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
Dragon stone rock - dragon, - £4.89
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
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Dragon rock aquarium stone - rock, - £78.83
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
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48 listings · from £2.99 · avg £44.77
Browse 48 fish tank rocks listings currently in our index. Prices range from £2.99 to £155.94, with an average of £44.77. 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 fish tank rocks →
Aquarium rock fish tank - fish, - £79.99
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Aquarium stone rock natural - aquarium, - £29.15
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Gray seiryu scenery stone - seiryu, - £21.49
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Aquarium stone slate - fish, tank - £49.99
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Fish tank stone - fish, aquarium - £42.99
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Aquarium slate fish tank rock - fish, - £17.99
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Large tall rock mountain fish - tall, - £29.95
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Fish tank rock natural - rock, - £59.99
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
Aquarium rock stone fish tank - rock, - £29.15
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Aquarium rock natural fish - aquarium, - £57.23
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
Aquarium stone rock natural - aquarium, - £29.15
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Aquarium stone seiryu rock - stone, - £62.63
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Zebra mountain rocks decor - zebra, - £24.95
Zebra mountain rock • Striking versatile material • Popular among aquascaping - Free postage - New and Used
Zebra mountain rock • Striking versatile material • Popular among aquascaping - Free postage - New and Used
Aquarium fish tank dragon - tank, - £28.95
Ohko stone natural • Shrimp planted aquariums • Rock unique porous - Free postage - New and Used
Ohko stone natural • Shrimp planted aquariums • Rock unique porous - Free postage - New and Used
Aquarium stone fish - stone, tank - £51.83
Lava rocks malawi • Sets they also • Look good light - Free postage - New and Used
Lava rocks malawi • Sets they also • Look good light - Free postage - New and Used
Large new natural rock stone - large, - £21.63
Adds fantastic natural • Look aquariums pond • Aquarium stone rocks - Free postage - New and Used
Adds fantastic natural • Look aquariums pond • Aquarium stone rocks - Free postage - New and Used
Grey natural stone - grey, - £25.79
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Aquarium background for - background, - £155.94
Installation very easy • Just slide background • Inside your tank - Free postage - New and Used
Installation very easy • Just slide background • Inside your tank - Free postage - New and Used
Natural ocean rock 20kg large - rock, - £59.95
Ocean rock • More suitable marine • Hardwater cichlids brackish - Free postage - New and Used
Ocean rock • More suitable marine • Hardwater cichlids brackish - Free postage - New and Used
Aquarium volcanic rock - aquarium, - £29.15
Lava rocks black • Rock 5kg set • Select carefully selected - Free postage - New and Used
Lava rocks black • Rock 5kg set • Select carefully selected - Free postage - New and Used
Dragon rock aquarium - dragon, - £35.63
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Dry ocean reef rock 20kg - rock, - £62.99
Suitable cichlid hard • Water aquariums clean • Safe marine reef - Free postage - New and Used
Suitable cichlid hard • Water aquariums clean • Safe marine reef - Free postage - New and Used
Large new natural flat - 6x, - £13.95
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
Fish tank rock natural - tank, - £51.83
20kg 90cm 3ft • Length green angel • Set geat natural - Free postage - New and Used
20kg 90cm 3ft • Length green angel • Set geat natural - Free postage - New and Used
Aquarium rock fish tank - rock, - £75.59
25kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
25kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
Aquarium rock natural - aquarium, - £46.43
Wood stone 15kg • Set select carefully • Selected pieces only - Free postage - New and Used
Wood stone 15kg • Set select carefully • Selected pieces only - Free postage - New and Used
Aquarium rock fish tank - aquarium, - £86.39
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
Aquarium slate fish - fish, rock - £2.99
Slate perfect creating • Caves lining back • Wall aquarium doesn - Free postage - New and Used
Slate perfect creating • Caves lining back • Wall aquarium doesn - Free postage - New and Used
Fish tank rock - fish, - £97.19
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
Natural glimmer wood stone - natural, - £32.98
Ada style aquascaping • Iwagumi does not • Include gravel plants - Free postage - New and Used
Ada style aquascaping • Iwagumi does not • Include gravel plants - Free postage - New and Used
Aqarium rock fish tank - aqarium, - £95.03
Majority stones this • Type are very • Hollow have nice - Free postage - New and Used
Majority stones this • Type are very • Hollow have nice - Free postage - New and Used
Dragon rock stone ohko - stone, - £23.98
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Natural aquarium rock stone - natural, - £12.45
Ohko stone natural • Aquascaping perfect creating • Underwater landscapes shrimp - Free postage - New and Used
Ohko stone natural • Aquascaping perfect creating • Underwater landscapes shrimp - Free postage - New and Used
Aquarium seiryu rock - aquarium, fish - £35.63
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium stone ocean - ocean, rock - £21.59
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Fish tank ornaments for - tank, - £7.99
Ancient chinese warrior • Can provide spot • Nitrifying bacteria attach - Free postage - New and Used
Ancient chinese warrior • Can provide spot • Nitrifying bacteria attach - Free postage - New and Used
Aquarium stone slate fish tank - aquarium, - £57.99
Let know you • Have any individual • Wishes regards shape - Free postage - New and Used
Let know you • Have any individual • Wishes regards shape - Free postage - New and Used
Aquarium lava rock - aquarium, red - £24.99
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Large tall rock - large, fish - £32.98
- Free postage - New and Used
- Free postage - New and Used
Aquarium ornament dinosaur - ornament, - £13.99
Skeleton bone fish • Bowl this would • Create nice underwater - Free postage - New and Used
Skeleton bone fish • Bowl this would • Create nice underwater - Free postage - New and Used
Grey natural moss - grey, - £18.98
Provides ideal hideaway • Multiple swim throughs • Grey natural moss - Free postage - New and Used
Provides ideal hideaway • Multiple swim throughs • Grey natural moss - Free postage - New and Used
Aquarium stone seiryu rock - seiryu, - £107.99
Grey mountian rock • 25kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 25kg set select • Carefully selected pieces - Free postage - New and Used
Fish tank rock aquarium stone - fish, - £53.99
15kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
15kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
Try this: floating magnetic | fluval fx | fluval u3 filter | fluval fish tank pump | huge fish tank | hydor | interpet filter | interpet aquarium lighting | juwel light unit | juwel fish tank pump
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Everything you need to know about fish tank rocks
Whether you are looking for a brand-new or second-hand fish tank rocks, 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 £2.99, while premium listings can reach £155.94 — giving you a wide budget spread to work with. The average price of £44.77 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.