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Aquarium reactor

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Aquarium reactor for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Aquarium reactor refurbished & used for sale | For Sale UK
Fmr75 fluidised reactor - fmr75,

Fmr75 fluidised reactor - fmr75,

£69.99 · Buy It Now

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Aquarium co2 scrubber - aquarium,

Aquarium co2 scrubber - aquarium,

£17.21 · Buy It Now

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Bubble magus bio - bubble, pellet

Bubble magus bio - bubble, pellet

£92.65 · Buy It Now

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Sochting mini oxydator - mini,

Sochting mini oxydator - mini,

£23.58 · Buy It Now

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Bubble magus 70h - mf-70h, hang

Bubble magus 70h - mf-70h, hang

£46.46 · Buy It Now

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Bio react pellet - react,

Bio react pellet - react,

£31.90 · Buy It Now

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Bubble magus mini - mini, 70

Bubble magus mini - mini, 70

£47.99 · Buy It Now

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Bubble magus mini 100 - mini,

Bubble magus mini 100 - mini,

£69.56 · Buy It Now

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Stage fluidised bed filter - 2,

Stage fluidised bed filter - 2,

£42.90 · Buy It Now

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Fluidised reactor without - d-d,

Fluidised reactor without - d-d,

£39.95 · Buy It Now

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Aquati fluidised bed filter - aquati,

Aquati fluidised bed filter - aquati,

£43.95 · Buy It Now

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Alr1 algae light reactor - alr1,

Alr1 algae light reactor - alr1,

£125.50 · Buy It Now

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Bubble magus mini - magus, filter

Bubble magus mini - magus, filter

£48.25 · Buy It Now

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Phosban reactor 150 phosguard - phosban,

Phosban reactor 150 phosguard - phosban,

£47.50 · Buy It Now

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Aquarium co2 scrubber oxygen

Aquarium co2 scrubber oxygen

£80.99 · Buy It Now

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Large marine aquarium media - large,

Large marine aquarium media - large,

£31.90 · Buy It Now

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Single fluidised bed filter - single,

Single fluidised bed filter - single,

£24.95 · Buy It Now

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Media reactor and - media, eheim

Media reactor and - media, eheim

£31.90 · Buy It Now

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Fluidised bed filter for - filter,

Fluidised bed filter for - filter,

£42.90 · Buy It Now

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Pacific sun algae reactor - sun,

Pacific sun algae reactor - sun,

£52.70 · Buy It Now

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Reef bio gro algae - bio-gro, reactor

Reef bio gro algae - bio-gro, reactor

£57.90 · Buy It Now

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Alr1 algae light - alr1,

Alr1 algae light - alr1,

£104.70 · Buy It Now

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Fluidise reactor fmr75 - reactor,

Fluidise reactor fmr75 - reactor,

£30.99 · Buy It Now

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Reef octopus bioreact - bioreact, 90

Reef octopus bioreact - bioreact, 90

£104.70 · Buy It Now

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Tmc reef bio - reef, 2.0

Tmc reef bio - reef, 2.0

£135.90 · Buy It Now

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Clear tides pro 300 reactor - clear,

Clear tides pro 300 reactor - clear,

£52.70 · Buy It Now

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Aqua medic nitrate reactor - nitrate,

Aqua medic nitrate reactor - nitrate,

£149.99 · Buy It Now

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Reef one reactor for - reef, 50

Reef one reactor for - reef, 50

£33.46 · Buy It Now

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H2ocean fluidised media - fluidised,

H2ocean fluidised media - fluidised,

£74.99 · Buy It Now

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Aquarium reactor pump ideal - aquarium,

Aquarium reactor pump ideal - aquarium,

£63.10 · Buy It Now

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Double fluidised bed - bed, filter

Double fluidised bed - bed, filter

£43.95 · Buy It Now

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Aquarium co2 generator - generator, kit

Aquarium co2 generator - generator, kit

£67.47 · Buy It Now

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Aqua excel media - aqua,

Aqua excel media - aqua,

£31.90 · Buy It Now

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Aquarium plants cylinder co2 - cylinder,

Aquarium plants cylinder co2 - cylinder,

£64.99 · Buy It Now

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Aquarium co2 diffuser - co2,

Aquarium co2 diffuser - co2,

£7.71 · Buy It Now

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Fluidised reactor spares - reactor,

Fluidised reactor spares - reactor,

£5.95 · Buy It Now

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1kg biogravel marine - 1kg, lbs)

1kg biogravel marine - 1kg, lbs)

£19.99 · Buy It Now

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Tmc react 300 compact - v2,

Tmc react 300 compact - v2,

£42.30 · Buy It Now

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Qanvee co2 diffuser - co2,

Qanvee co2 diffuser - co2,

£34.65 · Buy It Now

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Aquarium co2 generator - 2.5l,

Aquarium co2 generator - 2.5l,

£119.79 · Buy It Now

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Aquarium co2 diffuser - aquarium,

Aquarium co2 diffuser - aquarium,

£20.99 · Buy It Now

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High transparent co2 - co2, diffuser

High transparent co2 - co2, diffuser

£6.45 · Buy It Now

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Two little fishies - two,

Two little fishies - two,

£63.39 · Buy It Now

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H2ocean fmr75 kit - d&d,

H2ocean fmr75 kit - d&d,

£4.99 · Buy It Now

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Vertex marine aquarium media - marine,

Vertex marine aquarium media - marine,

£85.00 · Buy It Now

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Bubble magus calcium reactor - calcium,

Bubble magus calcium reactor - calcium,

£195.28 · Buy It Now

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Aquarium co2 generator - aquarium,

Aquarium co2 generator - aquarium,

£113.99 · Buy It Now

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Aquarium plants cylinder co2 - aquarium,

Aquarium plants cylinder co2 - aquarium,

£47.75 · Buy It Now

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Aquarium filter bubble - aquarium,

Aquarium filter bubble - aquarium,

£11.19 · Buy It Now

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Co2 diy reactor - reactor, bottle

Co2 diy reactor - reactor, bottle

£6.35 · Buy It Now

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Fluidised reactor 75 kit - d-d,

Fluidised reactor 75 kit - d-d,

£72.94 · Buy It Now

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Printed reactor for - 3d, co₂

Printed reactor for - 3d, co₂

£35.02 · Buy It Now

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Aquarium plants cylinder co2 - aquarium,

Aquarium plants cylinder co2 - aquarium,

£41.00 · Buy It Now

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Aquarium plants cylinder co2 - plants,

Aquarium plants cylinder co2 - plants,

£63.89 · Buy It Now

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Aquarium media reactor - aquarium,

Aquarium media reactor - aquarium,

£125.50 · Buy It Now

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Fluidized moving bed filter - fluidized,

Fluidized moving bed filter - fluidized,

£12.98 · Buy It Now

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Fzone aquarium co2 - 4l,

Fzone aquarium co2 - 4l,

£169.99 · Buy It Now

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Tmc pressure regulater - tmc, v2

Tmc pressure regulater - tmc, v2

£26.70 · Buy It Now

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Back hole cover media - , reactor

Back hole cover media - , reactor

£5.75 · Buy It Now

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Reactor co2 diffuser - reactor,

Reactor co2 diffuser - reactor,

£13.99 · Buy It Now

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Aquarium tank reactor - aquarium,

Aquarium tank reactor - aquarium,

£99.50 · Buy It Now

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Stainless steel aquarium - stainless,

Stainless steel aquarium - stainless,

£91.19 · Buy It Now

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Aquarium co2 diffuser - co2,

Aquarium co2 diffuser - co2,

£5.99 · Buy It Now

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Co2 diffuser fish - fish, tank

Co2 diffuser fish - fish, tank

£6.65 · Buy It Now

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Phosban reactor 150 phosguard - phosban,

Phosban reactor 150 phosguard - phosban,

£21.21 · Buy It Now

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Aquarium fish for tank live - for,

Aquarium fish for tank live - for,

£6.43 · Buy It Now

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Fluidized moving bed filter - moving,

Fluidized moving bed filter - moving,

£11.16 · Buy It Now

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Legend co2 diffusor external - co2,

Legend co2 diffusor external - co2,

£39.99 · Buy It Now

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Pcs diy reactor - pcs, air

Pcs diy reactor - pcs, air

£7.35 · Buy It Now

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Aquarium co2 generator - co2, kit

Aquarium co2 generator - co2, kit

£57.99 · Buy It Now

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Nyos torq reactor marine - torq, g2

Nyos torq reactor marine - torq, g2

£156.70 · Buy It Now

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Aquarium filter bubble bio - filter,

Aquarium filter bubble bio - filter,

£12.95 · Buy It Now

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Caribsea arm coarse reactor - coarse,

Caribsea arm coarse reactor - coarse,

£92.99 · Buy It Now

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Colombo marine reef - reef, reactor

Colombo marine reef - reef, reactor

£16.15 · Buy It Now

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Fluidised reactor 75 - d-d,

Fluidised reactor 75 - d-d,

£47.47 · Buy It Now

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Back hole cover - , reactor

Back hole cover - , reactor

£5.75 · Buy It Now

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Aquarium filter bubble bio - aquarium,

Aquarium filter bubble bio - aquarium,

£13.04 · Buy It Now

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Tunze macro algae - reactor, 3181

Tunze macro algae - reactor, 3181

£493.99 · Buy It Now

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Pcs dioxide system - dioxide,

Pcs dioxide system - dioxide,

£5.88 · Buy It Now

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Fr1 media reactor - media, above

Fr1 media reactor - media, above

£73.50 · Buy It Now

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Co2 mixer reactor diffuser for - mixer,

Co2 mixer reactor diffuser for - mixer,

£25.19 · Buy It Now

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Phosban reactor 150 phosguard - reactor,

Phosban reactor 150 phosguard - reactor,

£30.02 · Buy It Now

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Sochting mini oxydator - sochting,

Sochting mini oxydator - sochting,

£23.52 · Buy It Now

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Aquarium diffuser glass spiral - aquarium,

Aquarium diffuser glass spiral - aquarium,

£6.45 · Buy It Now

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Submersible co2 reactor - submersible,

Submersible co2 reactor - submersible,

£13.99 · Buy It Now

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Ocean fluidised media - ocean,

Ocean fluidised media - ocean,

£47.50 · Buy It Now

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Geosreef calcium reactor large - calcium,

Geosreef calcium reactor large - calcium,

£88.22 · Buy It Now

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Pax bellum arid n18 cheato - pax,

Pax bellum arid n18 cheato - pax,

£312.70 · Buy It Now

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Ocean life reactor salt - ocean, 20"

Ocean life reactor salt - ocean, 20"

£151.05 · Buy It Now

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Oceamo regulator 1000ml size - regulator,

Oceamo regulator 1000ml size - regulator,

£59.99 · Buy It Now

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Co2 diffusers aquarium - diffusers, fish

Co2 diffusers aquarium - diffusers, fish

£4.99 · Buy It Now

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Oceamo regulator 1000ml size - oceamo,

Oceamo regulator 1000ml size - oceamo,

£69.99 · Buy It Now

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Aquarium plants cylinder co2 - aquarium,

Aquarium plants cylinder co2 - aquarium,

£63.99 · Buy It Now

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Schuran ozonreaktor ozone - schuran, 1

Schuran ozonreaktor ozone - schuran, 1

£695.00 · Buy It Now

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Aquarium co2 generator - 5.5l,

Aquarium co2 generator - 5.5l,

£166.80 · Buy It Now

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Aquarium co2 generator - 2.5l,

Aquarium co2 generator - 2.5l,

£119.79 · Buy It Now

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📊96 listings · from £4.99 · avg £68
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 aquarium reactor listings currently in our index. Prices range from £4.99 to £695, with an average of £68. 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 aquarium reactor →

Try this: aquastart 320 | artificial aquarium plants | biorb 30 litre fish tank | biube | black fish tank stand | breeding fish | clear seal fish tank | clearseal | coffee table aquarium | crab shell

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Everything you need to know about aquarium reactor

Whether you are looking for a brand-new or second-hand aquarium reactor, 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 £4.99, while premium listings can reach £695 — giving you a wide budget spread to work with. The average price of £68 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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