For Sale UK

Aquarium reactor

4

Aquarium reactor for sale on largest auction and classifieds sites

Home / Lenses & Filters / Aquarium reactor refurbished & used for sale | For Sale UK
Fmr75 fluidised reactor - d-d,

Fmr75 fluidised reactor - d-d,

£39.99 · Buy It Now

» View details on eBay #sponsored
H2ocean fluidised media - d-d,

H2ocean fluidised media - d-d,

£74.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber - , oxygen

Aquarium co2 scrubber - , oxygen

£80.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber - ph+/co2,

Aquarium co2 scrubber - ph+/co2,

£73.49 · Buy It Now

» View details on eBay #sponsored
Aqua forest afr media - afr, 90

Aqua forest afr media - afr, 90

£26.70 · Buy It Now

» View details on eBay #sponsored
Tmc bio reactor - tmc, marine

Tmc bio reactor - tmc, marine

£21.50 · Buy It Now

» View details on eBay #sponsored
Stage fluidised bed filter - fluidised,

Stage fluidised bed filter - fluidised,

£42.90 · Buy It Now

» View details on eBay #sponsored
Bubble magus mini fluidised - mini,

Bubble magus mini fluidised - mini,

£47.99 · Buy It Now

» View details on eBay #sponsored
Aquati fluidised bed filter - bed,

Aquati fluidised bed filter - bed,

£43.95 · Buy It Now

» View details on eBay #sponsored
Two little fishies phosban - two,

Two little fishies phosban - two,

£31.99 · Buy It Now

» View details on eBay #sponsored
Phosphate reactor 150 for - phosphate,

Phosphate reactor 150 for - phosphate,

£39.95 · Buy It Now

» View details on eBay #sponsored
Bubble magus 70h hang on - bubble,

Bubble magus 70h hang on - bubble,

£46.46 · Buy It Now

» View details on eBay #sponsored
Marine aquarium bio pellet - marine,

Marine aquarium bio pellet - marine,

£31.90 · Buy It Now

» View details on eBay #sponsored
Phosban reactor 150 phosguard - phosban,

Phosban reactor 150 phosguard - phosban,

£47.50 · Buy It Now

» View details on eBay #sponsored
Sochting mini oxydator - mini,

Sochting mini oxydator - mini,

£23.58 · Buy It Now

» View details on eBay #sponsored
Single fluidised bed filter - bed,

Single fluidised bed filter - bed,

£24.95 · Buy It Now

» View details on eBay #sponsored
Ista co2 bundle reactor - ista,

Ista co2 bundle reactor - ista,

£31.89 · Buy It Now

» View details on eBay #sponsored
Nitrate reactor n200 - reactor, (880l)

Nitrate reactor n200 - reactor, (880l)

£119.95 · Buy It Now

» View details on eBay #sponsored
Fluidised reactor spares - reactor,

Fluidised reactor spares - reactor,

£7.99 · Buy It Now

» View details on eBay #sponsored
Algae reactor a50 for - algae,

Algae reactor a50 for - algae,

£59.95 · Buy It Now

» View details on eBay #sponsored
Fluidised reactor 75 kit - d-d,

Fluidised reactor 75 kit - d-d,

£68.95 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - aquarium,

Aquarium co2 diffuser fish - aquarium,

£6.09 · Buy It Now

» View details on eBay #sponsored
Bubble magus mini 100 - magus,

Bubble magus mini 100 - magus,

£69.56 · Buy It Now

» View details on eBay #sponsored
Fluidised reactor without - d-d,

Fluidised reactor without - d-d,

£38.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber - aquarium, ph+/co2

Aquarium co2 scrubber - aquarium, ph+/co2

£35.99 · Buy It Now

» View details on eBay #sponsored
Bubble magus mini filter - mini,

Bubble magus mini filter - mini,

£48.25 · Buy It Now

» View details on eBay #sponsored
Pacific sun algae light - sun,

Pacific sun algae light - sun,

£187.90 · Buy It Now

» View details on eBay #sponsored
Clear tides pro 300 reactor - tides,

Clear tides pro 300 reactor - tides,

£42.30 · Buy It Now

» View details on eBay #sponsored
Nyos torq reactor - g2, marine

Nyos torq reactor - g2, marine

£104.70 · Buy It Now

» View details on eBay #sponsored
Double fluidised bed filter - double,

Double fluidised bed filter - double,

£43.95 · Buy It Now

» View details on eBay #sponsored
Filter media chamber - j&y,

Filter media chamber - j&y,

£224.24 · Buy It Now

» View details on eBay #sponsored
Aquarium reactor pump ideal - aquarium,

Aquarium reactor pump ideal - aquarium,

£63.10 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser - co2, fish

Aquarium co2 diffuser - co2, fish

£4.99 · Buy It Now

» View details on eBay #sponsored
Bubble magus bio pellet - bubble,

Bubble magus bio pellet - bubble,

£92.65 · Buy It Now

» View details on eBay #sponsored
Algae reactor a360 100 - algae, a360/100

Algae reactor a360 100 - algae, a360/100

£129.95 · Buy It Now

» View details on eBay #sponsored
Nitrate media - nitrate, (sulphur)

Nitrate media - nitrate, (sulphur)

£149.95 · Buy It Now

» View details on eBay #sponsored
Aquarium plants cylinder - aquarium, co2

Aquarium plants cylinder - aquarium, co2

£32.79 · Buy It Now

» View details on eBay #sponsored
Fluidised bed filter for - fluidised,

Fluidised bed filter for - fluidised,

£42.90 · Buy It Now

» View details on eBay #sponsored
Aqua medic nitrate reactor - medic,

Aqua medic nitrate reactor - medic,

£149.99 · Buy It Now

» View details on eBay #sponsored
Caribsea arm coarse - coarse, reactor

Caribsea arm coarse - coarse, reactor

£92.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber - aquarium,

Aquarium co2 scrubber - aquarium,

£124.97 · Buy It Now

» View details on eBay #sponsored
Aquarium filter bubble bio - filter,

Aquarium filter bubble bio - filter,

£10.69 · Buy It Now

» View details on eBay #sponsored
Fluidise reactor fmr75 - fluidise,

Fluidise reactor fmr75 - fluidise,

£30.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - co2,

Aquarium co2 diffuser fish - co2,

£7.71 · Buy It Now

» View details on eBay #sponsored
Aquarium plants cylinder co2 - cylinder,

Aquarium plants cylinder co2 - cylinder,

£45.99 · Buy It Now

» View details on eBay #sponsored
Aquarium filter bubble bio - aquarium,

Aquarium filter bubble bio - aquarium,

£11.19 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber ati - co2,

Aquarium co2 scrubber ati - co2,

£33.97 · Buy It Now

» View details on eBay #sponsored
Fr1 media reactor above - reactor,,

Fr1 media reactor above - reactor,,

£73.50 · Buy It Now

» View details on eBay #sponsored
Aqua excel media reactor - excel,

Aqua excel media reactor - excel,

£31.90 · Buy It Now

» View details on eBay #sponsored
H2ocean fmr75 kit - h2ocean,

H2ocean fmr75 kit - h2ocean,

£4.29 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 atomizer fish - co2,

Aquarium co2 atomizer fish - co2,

£4.11 · Buy It Now

» View details on eBay #sponsored
1kg biogravel marine - (2.2, lbs)

1kg biogravel marine - (2.2, lbs)

£19.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser - diffuser, fish

Aquarium co2 diffuser - diffuser, fish

£6.09 · Buy It Now

» View details on eBay #sponsored
Back hole cover - media, reactor

Back hole cover - media, reactor

£5.75 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - aquarium,

Aquarium co2 diffuser fish - aquarium,

£6.09 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - aquarium,

Aquarium co2 diffuser fish - aquarium,

£6.57 · Buy It Now

» View details on eBay #sponsored
Co2 diffusion system for - co2,

Co2 diffusion system for - co2,

£10.74 · Buy It Now

» View details on eBay #sponsored
Aquarium marine tank - marine, reactor

Aquarium marine tank - marine, reactor

£208.70 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 scrubber - aquarium,

Aquarium co2 scrubber - aquarium,

£29.97 · Buy It Now

» View details on eBay #sponsored
Glass co2 diffusers aquarium - diffusers,

Glass co2 diffusers aquarium - diffusers,

£5.05 · Buy It Now

» View details on eBay #sponsored
Back hole cover media - , reactor

Back hole cover media - , reactor

£5.75 · Buy It Now

» View details on eBay #sponsored
Aquarium diffuser glass - aquarium,

Aquarium diffuser glass - aquarium,

£6.45 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser - co2,

Aquarium co2 diffuser - co2,

£12.99 · Buy It Now

» View details on eBay #sponsored
Co2 glass diffuser reactor - diffuser,

Co2 glass diffuser reactor - diffuser,

£8.17 · Buy It Now

» View details on eBay #sponsored
Two little fishies phosban - two,

Two little fishies phosban - two,

£63.39 · Buy It Now

» View details on eBay #sponsored
6pcs aquarium plants system - aquarium,

6pcs aquarium plants system - aquarium,

£10.29 · Buy It Now

» View details on eBay #sponsored
Schuran ozonreaktor ozone - schuran, 1

Schuran ozonreaktor ozone - schuran, 1

£595.00 · Buy It Now

» View details on eBay #sponsored
Aquarium filter bubble bio - filter,

Aquarium filter bubble bio - filter,

£19.85 · Buy It Now

» View details on eBay #sponsored
Co2 glass diffuser reactor - co2,

Co2 glass diffuser reactor - co2,

£7.19 · Buy It Now

» View details on eBay #sponsored
Fzone aquarium co2 - fzone,

Fzone aquarium co2 - fzone,

£169.99 · Buy It Now

» View details on eBay #sponsored
Vertex marine aquarium - aquarium, media

Vertex marine aquarium - aquarium, media

£85.00 · Buy It Now

» View details on eBay #sponsored
Printed reactor for - printed,

Printed reactor for - printed,

£35.02 · Buy It Now

» View details on eBay #sponsored
Aquarium plants cylinder - plants, co2

Aquarium plants cylinder - plants, co2

£47.75 · Buy It Now

» View details on eBay #sponsored
Fluidised reactor 75 fmr75 - d-d,

Fluidised reactor 75 fmr75 - d-d,

£45.95 · Buy It Now

» View details on eBay #sponsored
Ocean fluidised media - h2,

Ocean fluidised media - h2,

£47.50 · Buy It Now

» View details on eBay #sponsored
Aquarium filter bubble bio - bubble,

Aquarium filter bubble bio - bubble,

£18.44 · Buy It Now

» View details on eBay #sponsored
Aqua medic multi reactor - medic,

Aqua medic multi reactor - medic,

£30.71 · Buy It Now

» View details on eBay #sponsored
Co2 diffuser for aquarium - co2,

Co2 diffuser for aquarium - co2,

£7.99 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - co2,

Aquarium co2 diffuser fish - co2,

£6.09 · Buy It Now

» View details on eBay #sponsored
Bubble magus calcium reactor - bubble,

Bubble magus calcium reactor - bubble,

£195.28 · Buy It Now

» View details on eBay #sponsored
Phosban reactor 150 phosguard - phosban,

Phosban reactor 150 phosguard - phosban,

£21.21 · Buy It Now

» View details on eBay #sponsored
Glass co2 diffusers aquarium - glass,

Glass co2 diffusers aquarium - glass,

£5.26 · Buy It Now

» View details on eBay #sponsored
Ocean life reactor - ocean,

Ocean life reactor - ocean,

£139.14 · Buy It Now

» View details on eBay #sponsored
Tmc react 300 compact - react,

Tmc react 300 compact - react,

£31.90 · Buy It Now

» View details on eBay #sponsored
Aquarium plants cylinder - cylinder, co2

Aquarium plants cylinder - cylinder, co2

£44.95 · Buy It Now

» View details on eBay #sponsored
4pcs co2 bottle caps - 4pcs,

4pcs co2 bottle caps - 4pcs,

£6.73 · Buy It Now

» View details on eBay #sponsored
Tmc pressure regulater - pressure,

Tmc pressure regulater - pressure,

£16.15 · Buy It Now

» View details on eBay #sponsored
Aquarium filter bubble - aquarium,

Aquarium filter bubble - aquarium,

£19.27 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 diffuser fish - co2,

Aquarium co2 diffuser fish - co2,

£5.96 · Buy It Now

» View details on eBay #sponsored
Jebo 192 co2 engender - jebo, aquarium

Jebo 192 co2 engender - jebo, aquarium

£26.70 · Buy It Now

» View details on eBay #sponsored
Oceamo regulator 1000ml size - oceamo,

Oceamo regulator 1000ml size - oceamo,

£59.99 · Buy It Now

» View details on eBay #sponsored
Mixer reactor co2 diffuser - diffuser,

Mixer reactor co2 diffuser - diffuser,

£26.99 · Buy It Now

» View details on eBay #sponsored
Tunze macro algae reactor 3181 - algae,

Tunze macro algae reactor 3181 - algae,

£493.99 · Buy It Now

» View details on eBay #sponsored
Magnavore simplicity reactor - magnavore,

Magnavore simplicity reactor - magnavore,

£13.50 · Buy It Now

» View details on eBay #sponsored
Tunze automat 3172 calcium - automat,

Tunze automat 3172 calcium - automat,

£363.70 · Buy It Now

» View details on eBay #sponsored
Aquarium co2 generator kit - co2,

Aquarium co2 generator kit - co2,

£60.99 · Buy It Now

» View details on eBay #sponsored

Looking for more aquarium reactor?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from £4.11 · avg £62.32
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 96 aquarium reactor listings currently in our index. Prices range from £4.11 to £595, with an average of £62.32. 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: astra mk4 sri turbo | b w polarising filter | bmw alpina d3 | bmw e46 air filter | bmw e39 fuel filter | bronica 40mm | canon 135mm f2 | canon 100mm macro lens | canon 300mm f4 l | canon 28 80mm ef lens

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

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 £4.11, while premium listings can reach £595 — giving you a wide budget spread to work with. The average price of £62.32 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.

🔍 aquarium reactor Search live on eBay