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Marine algae

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Marine algae for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Marine algae refurbished & used for sale | For Sale UK
Marine macroalgae frag - frag, |

Marine macroalgae frag - frag, |

£7.99 · Buy It Now

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Marine cheato - marine,

Marine cheato - marine,

£10.79 · Buy It Now

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Omega plant marine algae - omega,

Omega plant marine algae - omega,

£16.23 · Buy It Now

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Phytoplankton guillard - guillard, f2

Phytoplankton guillard - guillard, f2

£25.99 · Buy It Now

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Marine macro algae - , dragons

Marine macro algae - , dragons

£12.40 · Buy It Now

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Halimeda cactus macro algae - cactus,

Halimeda cactus macro algae - cactus,

£11.00 · Buy It Now

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Caulerpa prolifera marine - caulerpa,

Caulerpa prolifera marine - caulerpa,

£5.45 · Buy It Now

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Red ogo marine - red,

Red ogo marine - red,

£20.00 · Buy It Now

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Codium macro algae for - algae,

Codium macro algae for - algae,

£12.00 · Buy It Now

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Marine macro algae halymenia - marine,

Marine macro algae halymenia - marine,

£22.50 · Buy It Now

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Rare marine macro algae - rare,

Rare marine macro algae - rare,

£25.66 · Buy It Now

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Caulerpa cylindracea red grape - caulerpa,

Caulerpa cylindracea red grape - caulerpa,

£15.00 · Buy It Now

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Eco marine algae - eco,

Eco marine algae - eco,

£554.39 · Buy It Now

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Caulerpa brachypus marine - caulerpa,

Caulerpa brachypus marine - caulerpa,

£4.95 · Buy It Now

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Reef flux green - rx,

Reef flux green - rx,

£25.49 · Buy It Now

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Mengenal caulerpa marine - caulerpa,

Mengenal caulerpa marine - caulerpa,

£12.94 · Buy It Now

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Marine macro algae - ,, true

Marine macro algae - ,, true

£22.50 · Buy It Now

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Marine macro algae caulerpa - marine,

Marine macro algae caulerpa - marine,

£17.50 · Buy It Now

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Marine macro algae refugium - marine,

Marine macro algae refugium - marine,

£44.00 · Buy It Now

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Marine macro algae

Marine macro algae

£17.25 · Buy It Now

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Marine macro algae

Marine macro algae

£29.50 · Buy It Now

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Marine algae sodium - marine,

Marine algae sodium - marine,

£10.80 · Buy It Now

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Caulerpa prolifera macro - caulerpa, algae

Caulerpa prolifera macro - caulerpa, algae

£16.00 · Buy It Now

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Ocean nutrition marine algae - ocean,

Ocean nutrition marine algae - ocean,

£37.99 · Buy It Now

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Marine macro algae - ,, halymenia

Marine macro algae - ,, halymenia

£32.50 · Buy It Now

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Chaetomorpha cheatomorpha

Chaetomorpha cheatomorpha

£8.99 · Buy It Now

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Api prevent algae 237ml marine - api,

Api prevent algae 237ml marine - api,

£9.79 · Buy It Now

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Red sea no3 po4 - sea, marine

Red sea no3 po4 - sea, marine

£23.99 · Buy It Now

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Ziaja marine algae - marine,

Ziaja marine algae - marine,

£11.95 · Buy It Now

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100 spirulina powder algae - spirulina,

100 spirulina powder algae - spirulina,

£4.30 · Buy It Now

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Rare atomic broccoli coral - broccoli,

Rare atomic broccoli coral - broccoli,

£73.50 · Buy It Now

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Vitalis marine algae large - marine,

Vitalis marine algae large - marine,

£86.99 · Buy It Now

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Minerals for marine macro

Minerals for marine macro

£25.00 · Buy It Now

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Caulerpa prolifera marine - caulerpa,

Caulerpa prolifera marine - caulerpa,

£10.80 · Buy It Now

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Api prevent algae - api,

Api prevent algae - api,

£7.99 · Buy It Now

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Herons premium spirulina algae - herons,

Herons premium spirulina algae - herons,

£13.90 · Buy It Now

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Blue life usa flux bryopsis - blue,

Blue life usa flux bryopsis - blue,

£22.99 · Buy It Now

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Fauna marin dino - fauna,

Fauna marin dino - fauna,

£29.99 · Buy It Now

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Macro algae mix caulerpa - macro,

Macro algae mix caulerpa - macro,

£6.52 · Buy It Now

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Omega plant marine - omega, 3,plant

Omega plant marine - omega, 3,plant

£11.89 · Buy It Now

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Herons premium algae - algae, wafers

Herons premium algae - algae, wafers

£17.80 · Buy It Now

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Calcium magnesium capsules - calcium,

Calcium magnesium capsules - calcium,

£22.99 · Buy It Now

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Dragons breath halymenia - dragons,

Dragons breath halymenia - dragons,

£20.00 · Buy It Now

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Aquael magic algae - magic, stop

Aquael magic algae - magic, stop

£5.99 · Buy It Now

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Aquarium food seaweed julian - food,

Aquarium food seaweed julian - food,

£10.99 · Buy It Now

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Fauna marin dino - marin,

Fauna marin dino - marin,

£37.97 · Buy It Now

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Aquascape aquarium epoxy - d-d,

Aquascape aquarium epoxy - d-d,

£7.99 · Buy It Now

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Ocean nutrition dried - ocean, seaweed

Ocean nutrition dried - ocean, seaweed

£15.99 · Buy It Now

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Marine macro algae - ,, halimeda

Marine macro algae - ,, halimeda

£16.15 · Buy It Now

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Marine macro algae - ,, hypnea

Marine macro algae - ,, hypnea

£52.70 · Buy It Now

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Red sea no3 - marine, algae

Red sea no3 - marine, algae

£120.00 · Buy It Now

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Aquascape epoxy 4oz - aquascape,

Aquascape epoxy 4oz - aquascape,

£7.95 · Buy It Now

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Labs algae flakes with - labs,

Labs algae flakes with - labs,

£13.99 · Buy It Now

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Herons algae wafers - herons,

Herons algae wafers - herons,

£4.20 · Buy It Now

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Salifert test kit - test,

Salifert test kit - test,

£12.89 · Buy It Now

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Red sea npx no3 reducer - red,

Red sea npx no3 reducer - red,

£33.99 · Buy It Now

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Caulerpa prolifera live - caulerpa,

Caulerpa prolifera live - caulerpa,

£19.99 · Buy It Now

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Sinking marine 5mm spirulina - sinking,

Sinking marine 5mm spirulina - sinking,

£17.99 · Buy It Now

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Spirulina granules algae - spirulina,

Spirulina granules algae - spirulina,

£5.49 · Buy It Now

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Gracilaria hayi - hayi, bush)

Gracilaria hayi - hayi, bush)

£15.00 · Buy It Now

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Brightwell aquatics chaetogro - brightwell,

Brightwell aquatics chaetogro - brightwell,

£16.20 · Buy It Now

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Esha water treatment - water,

Esha water treatment - water,

£9.49 · Buy It Now

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Herons algae wafer mix - herons,

Herons algae wafer mix - herons,

£19.80 · Buy It Now

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Herons premium bottom feeders - herons,

Herons premium bottom feeders - herons,

£16.40 · Buy It Now

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Tetratec gs45 aquarium algae - tetratec,

Tetratec gs45 aquarium algae - tetratec,

£12.30 · Buy It Now

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Bulldog skincare age defense - age,

Bulldog skincare age defense - age,

£10.99 · Buy It Now

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Herons spirulina algae - spirulina, wafers

Herons spirulina algae - spirulina, wafers

£15.90 · Buy It Now

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Herons spirulina algae wafer - spirulina,

Herons spirulina algae wafer - spirulina,

£0.99 · Buy It Now

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Marine hull cleaner - marine,

Marine hull cleaner - marine,

£19.99 · Buy It Now

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Ocean nutrition marine algae - nutrition,

Ocean nutrition marine algae - nutrition,

£35.95 · Buy It Now

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Prorezult algae wafers - prorezult, 6%

Prorezult algae wafers - prorezult, 6%

£4.19 · Buy It Now

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Ocean nutrition formula two - nutrition,

Ocean nutrition formula two - nutrition,

£21.45 · Buy It Now

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Reeflowers coralline algae - coralline,

Reeflowers coralline algae - coralline,

£14.75 · Buy It Now

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Iquatics 75g cyano red slime - /,

Iquatics 75g cyano red slime - /,

£10.39 · Buy It Now

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Tetra pro algae tetrapro - tetra,

Tetra pro algae tetrapro - tetra,

£11.49 · Buy It Now

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Marine refugium led light - marine,

Marine refugium led light - marine,

£24.99 · Buy It Now

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Blue life usa - red, cyano

Blue life usa - red, cyano

£19.99 · Buy It Now

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Easy life excital - easy-life,

Easy life excital - easy-life,

£10.01 · Buy It Now

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Fertilizer for green plants - fertilizer,

Fertilizer for green plants - fertilizer,

£12.94 · Buy It Now

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Hikari algae wafer catfish - algae,

Hikari algae wafer catfish - algae,

£5.50 · Buy It Now

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Vitalis algae pellets 1mm - pellets,

Vitalis algae pellets 1mm - pellets,

£14.99 · Buy It Now

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Herons premium tropical - tropical, fish

Herons premium tropical - tropical, fish

£3.60 · Buy It Now

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Easy life excital - easy-life,

Easy life excital - easy-life,

£13.99 · Buy It Now

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Reef flux green hair - hd, and

Reef flux green hair - hd, and

£23.49 · Buy It Now

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Api prevent algae - api,

Api prevent algae - api,

£9.79 · Buy It Now

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Aquascape epoxy 4oz - aquascape,

Aquascape epoxy 4oz - aquascape,

£7.95 · Buy It Now

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Ziaja marine algae deep - ziaja,

Ziaja marine algae deep - ziaja,

£10.58 · Buy It Now

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Red sea aiptasia elimination - sea, aiptasia-x

Red sea aiptasia elimination - sea, aiptasia-x

£19.99 · Buy It Now

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Marco rock coral line - marco,

Marco rock coral line - marco,

£22.99 · Buy It Now

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Marine cheato chaeto - marine,

Marine cheato chaeto - marine,

£25.14 · Buy It Now

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Esha aquarium water - water, treatment

Esha aquarium water - water, treatment

£9.79 · Buy It Now

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Chaetomorpha chaeto macro - ***chaetomorpha,

Chaetomorpha chaeto macro - ***chaetomorpha,

£26.70 · Buy It Now

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100 spirulina powder algae - spirulina,

100 spirulina powder algae - spirulina,

£13.99 · Buy It Now

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Esha protalon 707 - protalon-707, effective

Esha protalon 707 - protalon-707, effective

£11.95 · Buy It Now

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Top quality spirulina algae - quality,

Top quality spirulina algae - quality,

£25.99 · Buy It Now

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Bull dog age - age, defence

Bull dog age - age, defence

£6.52 · Buy It Now

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📊96 listings · from £0.99 · avg £24.59
⚠️ These listings were last updated more than 22 days ago. Search for fresh listings

Browse 96 marine algae listings currently in our index. Prices range from £0.99 to £554.39, with an average of £24.59. 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 marine algae →

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Everything you need to know about marine algae

Whether you are looking for a brand-new or second-hand marine algae, eBay offers one of the largest selections available online. With 96 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 £0.99, while premium listings can reach £554.39 — giving you a wide budget spread to work with. The average price of £24.59 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.

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