Algae
Algae for sale on Ireland's largest auction and classifieds sites
Cloverleaf blanket answer - cloverleaf, - £299.99
Special formula works • Where many bacteria • Cultures fail 100 - Free postage - New and Used
Special formula works • Where many bacteria • Cultures fail 100 - Free postage - New and Used
Envii algae klear xtra pond - xtra, - £104.95
Envii algae klear • Xtra from removing • Your pond helping - Free postage - New and Used
Envii algae klear • Xtra from removing • Your pond helping - Free postage - New and Used
Green algae killer litres - 25, - £37.00
Patio growing systems • Algiclear prof green • Mould algae killer - Free postage - New and Used
Patio growing systems • Algiclear prof green • Mould algae killer - Free postage - New and Used
Marine macro algae dragons - algae, - £14.01
Marine macro algae • Dragons breath this • Adds touch colour - Free postage - New and Used
Marine macro algae • Dragons breath this • Adds touch colour - Free postage - New and Used
Looking for more algae?
Search eBay live — fresh results filtered for the best value, updated every hour.
Herons premium spirulina - herons, - £0.99
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
📊
48 listings · from £0.99 · avg £30.43
⚠️ These listings were last updated more than 14 days ago.
Search for fresh listings
Browse 48 algae listings currently in our index. Prices range from £0.99 to £299.99, with an average of £30.43. 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 algae →
Astaxanthin 550mg clean - 550mg, - £21.99
550mg 16.5mg clean • Astaxanthin extract capsules • Natural genuine vegan - Free postage - New and Used
550mg 16.5mg clean • Astaxanthin extract capsules • Natural genuine vegan - Free postage - New and Used
Herons premium algae wafers - premium, - £15.90
Perfect food bottom • Feeding herbivores omnivores • Catfish well other - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Catfish well other - Free postage - New and Used
Herons premium bottom feeders - premium, - £13.90
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Herons algae wafer mix - mix, - £2.90
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Astaxanthin natural - 🔥 astaxanthin, (natural - £7.99
Take one tablet • Increase dosage necessary • Keep out sight - Free postage - New and Used
Take one tablet • Increase dosage necessary • Keep out sight - Free postage - New and Used
Easy life algexit green - easy-life, algae - £8.99
Algexit works halting • Algae growth eliminating • Making perfect choice - Free postage - New and Used
Algexit works halting • Algae growth eliminating • Making perfect choice - Free postage - New and Used
Labs mediclay algae clear - algae, - £89.95
Ideal regular pond • Maintenance during periods • Fish stress recovery - Free postage - New and Used
Ideal regular pond • Maintenance during periods • Fish stress recovery - Free postage - New and Used
Barley straw logs for - barley, - £11.99
Natural barley straw • Logs pond water • Clarifier works gradually - Free postage - New and Used
Natural barley straw • Logs pond water • Clarifier works gradually - Free postage - New and Used
Jarder pool algae remover - algae, - £18.95
Pool algae remover • Jarder hot tub • Strength super concentrated - Free postage - New and Used
Pool algae remover • Jarder hot tub • Strength super concentrated - Free postage - New and Used
Pond algae treatment blanket - treatment, - £11.89
Fast acting pond • Cleaner blanket weed • Killer algae remover - Free postage - New and Used
Fast acting pond • Cleaner blanket weed • Killer algae remover - Free postage - New and Used
Pond cleaner water treatment - pond, - £11.99
These pond balls • Are eco friendly • Non toxic 100g - Free postage - New and Used
These pond balls • Are eco friendly • Non toxic 100g - Free postage - New and Used
Herons koi trio - koi, - £74.90
Japanese koi other • Pond fish improves • Digestion liver function - Free postage - New and Used
Japanese koi other • Pond fish improves • Digestion liver function - Free postage - New and Used
Natural barley straw logs - 4x, - £7.91
Barley straw logs • Pond water clarifier • Our farm made - Free postage - New and Used
Barley straw logs • Pond water clarifier • Our farm made - Free postage - New and Used
Cloverleaf blanket answer - cloverleaf, - £59.99
Why use cloverleaf • Blanket answer eliminates • Algae blanketweed sludge - Free postage - New and Used
Why use cloverleaf • Blanket answer eliminates • Algae blanketweed sludge - Free postage - New and Used
Omega vegan 650mg capsules - vegan, - £21.99
Omega vegan 650mg • Extract capsules 100 • Clean natural genuine - Free postage - New and Used
Omega vegan 650mg • Extract capsules 100 • Clean natural genuine - Free postage - New and Used
Wet and forget mould algae - wet, - £28.99
Mould lichen algae • Remover removes contaminants • Wet forget litre - Free postage - New and Used
Mould lichen algae • Remover removes contaminants • Wet forget litre - Free postage - New and Used
Herons algae wafer mix - wafer, - £2.40
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Oxygenating pond plants - oxygenating, - £8.49
Simply place cuttings • Directly into your • Pond upon arrival - Free postage - New and Used
Simply place cuttings • Directly into your • Pond upon arrival - Free postage - New and Used
Red ogo marine macro algae - red, - £20.00
Red ogo gracilaria • Parvispora attractive hawaiian • Macro algae found - Free postage - New and Used
Red ogo gracilaria • Parvispora attractive hawaiian • Macro algae found - Free postage - New and Used
Envii pond klear natural - envii, - £12.95
Envii pond klear • When using natural • Bacteria can take - Free postage - New and Used
Envii pond klear • When using natural • Bacteria can take - Free postage - New and Used
Natural astaxanthin 6mg - natural, - £38.99
Known its natural • Abundance bioavailable form • Compatible wide range - Free postage - New and Used
Known its natural • Abundance bioavailable form • Compatible wide range - Free postage - New and Used
Algae wafers spirulina fish - wafers, - £5.20
Herbivorous bottom feeders • Introducing our exclusive • Sinking wafers specially - Free postage - New and Used
Herbivorous bottom feeders • Introducing our exclusive • Sinking wafers specially - Free postage - New and Used
Aquarium algae remover 118 - algae, - £8.85
Arka quality trusted • Aquarists developed breeders • Experts widely used - Free postage - New and Used
Arka quality trusted • Aquarists developed breeders • Experts widely used - Free postage - New and Used
Api prevent algae - algae, aquarium - £14.99
Litres aquarium water • Use weekly - Free postage - New and Used
Litres aquarium water • Use weekly - Free postage - New and Used
Green growth algae - growth, - £94.95
Green growth • Roof tiles tarmac • Powerful cleaner kill - Free postage - New and Used
Green growth • Roof tiles tarmac • Powerful cleaner kill - Free postage - New and Used
Nordic naturals algae dha - algae, - £13.99
Plant based omega • Dha made from • Algae supports brain - Free postage - New and Used
Plant based omega • Dha made from • Algae supports brain - Free postage - New and Used
Pond water cleaner natural - pond, - £7.99
These barley pellets • Are great alternative • Straw your pond - Free postage - New and Used
These barley pellets • Are great alternative • Straw your pond - Free postage - New and Used
Herons spirulina algae wafer - algae, - £4.50
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including pleco loach - Free postage - New and Used
Wet forget mould lichen - wet, & - £25.99
Please note some • Items may arrive • Slight imperfections their - Free postage - New and Used
Please note some • Items may arrive • Slight imperfections their - Free postage - New and Used
Aquacadabra barley straw algae - barley, - £6.99
Aquacadabra barley straw • Pond pads following • Options are available - Free postage - New and Used
Aquacadabra barley straw • Pond pads following • Options are available - Free postage - New and Used
Herons algae wafers - wafers, 6% - £2.90
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Sika everbuild 404 - everbuild, 5l - £9.99
Everbuild 404 fast • Powerful fungicidal wash • Keep outdoor indoor - Free postage - New and Used
Everbuild 404 fast • Powerful fungicidal wash • Keep outdoor indoor - Free postage - New and Used
Chaetomorpha refugium algae - chaetomorpha, - £8.00
Large portion supplied • Letterbox friendly packaging • Sent first class - Free postage - New and Used
Large portion supplied • Letterbox friendly packaging • Sent first class - Free postage - New and Used
Clear algae cleaner - algae, - £129.99
Royal horticultural society • Advises effective treating • Algae liverworts lichen - Free postage - New and Used
Royal horticultural society • Advises effective treating • Algae liverworts lichen - Free postage - New and Used
Hydra degreen removes algae - degreen, - £11.75
Hydra degreen easy • Way clean all • Garden surfaces from - Free postage - New and Used
Hydra degreen easy • Way clean all • Garden surfaces from - Free postage - New and Used
Natural barley straw log - barley, - £7.79
Once barley straw • Wet starts decompose • Whereby chemicals are - Free postage - New and Used
Once barley straw • Wet starts decompose • Whereby chemicals are - Free postage - New and Used
Herons spirulina algae - herons, wafers - £4.60
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Perfect food bottom • Feeding herbivores omnivores • Including loaches cories - Free postage - New and Used
Trapa natans for - trapa, 3 - £7.41
Trapa natans aquatic • Annual that grows • Rooted floating plant - Free postage - New and Used
Trapa natans aquatic • Annual that grows • Rooted floating plant - Free postage - New and Used
Aquadip green algae control - aquadip, - £7.99
This includes beard • Brush algae thread • Product will stop - Free postage - New and Used
This includes beard • Brush algae thread • Product will stop - Free postage - New and Used
Supa anti algae pond block - supa, - £3.85
Supa anti algae • Pond block use • Per 000 litres - Free postage - New and Used
Supa anti algae • Pond block use • Per 000 litres - Free postage - New and Used
Colombo algisin 5l 1l - 5l, - £69.85
Blanket weed • Algisin powerful solution • Thrives sunlight can - Free postage - New and Used
Blanket weed • Algisin powerful solution • Thrives sunlight can - Free postage - New and Used
Omega vegan 500mg capsules - omega, - £16.19
Feel difference support • Your body natural • Way 300mg dha200mg - Free postage - New and Used
Feel difference support • Your body natural • Way 300mg dha200mg - Free postage - New and Used
Algae green mould killer - algae, - £47.00
Moss mould killer • Litres cleans path • Patio roof decking - Free postage - New and Used
Moss mould killer • Litres cleans path • Patio roof decking - Free postage - New and Used
Try this: fish crate | patio pond | umbrella plant | eden greenhouse | exotic plants | moss balls | palm plant | plant watering spikes | potted christmas tree | large clay pots
Shop by budget
Everything you need to know about algae
Whether you are looking for a brand-new or second-hand algae, 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 £0.99, while premium listings can reach £299.99 — giving you a wide budget spread to work with. The average price of £30.43 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.