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Bio balls

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Bio balls for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Bio balls refurbished & used for sale | For Sale UK
32mm bio balls - for, pond

32mm bio balls - for, pond

£159.99 · Buy It Now

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Maxspect mantis bio - maxspect/mantis, bio-sphere

Maxspect mantis bio - maxspect/mantis, bio-sphere

£11.50 · Buy It Now

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Premium aquarium bio balls - premium,

Premium aquarium bio balls - premium,

£8.99 · Buy It Now

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100 bio balls sump tank - tank, filter

100 bio balls sump tank - tank, filter

£8.99 · Buy It Now

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Aquarium filter media wool - aquarium,

Aquarium filter media wool - aquarium,

£8.95 · Buy It Now

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Bio balls aquarium fish - aquarium,

Bio balls aquarium fish - aquarium,

£69.99 · Buy It Now

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Pond filter balls - k1,

Pond filter balls - k1,

£25.99 · Buy It Now

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Evolution aqua pure - aqua, balls

Evolution aqua pure - aqua, balls

£9.95 · Buy It Now

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500g ceramic bio beads - 500g,

500g ceramic bio beads - 500g,

£9.95 · Buy It Now

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Plastic bio balls - bio, with

Plastic bio balls - bio, with

£29.95 · Buy It Now

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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£9.99 · Buy It Now

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Bio balls aquarium fish - bio, tank

Bio balls aquarium fish - bio, tank

£7.99 · Buy It Now

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Bio filter media aquarium - media, –

Bio filter media aquarium - media, –

£5.99 · Buy It Now

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Reef pro 1200 - pro, sump

Reef pro 1200 - pro, sump

£11.32 · Buy It Now

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Aquarium fish tank - fish, filter

Aquarium fish tank - fish, filter

£12.99 · Buy It Now

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Bio ceramic mini balls - ceramic,

Bio ceramic mini balls - ceramic,

£12.99 · Buy It Now

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External aquarium filter media - external,

External aquarium filter media - external,

£12.99 · Buy It Now

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Aquarium filter media - filter, bio

Aquarium filter media - filter, bio

£8.95 · Buy It Now

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1000 bio balls - balls, sump

1000 bio balls - balls, sump

£27.99 · Buy It Now

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Bio balls media - bio,

Bio balls media - bio,

£12.45 · Buy It Now

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Ceramic bio beads aquarium - bio,

Ceramic bio beads aquarium - bio,

£9.95 · Buy It Now

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Aquarium filter media bio - aquarium,

Aquarium filter media bio - aquarium,

£12.45 · Buy It Now

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Bio balls 40 - bio,

Bio balls 40 - bio,

£3.84 · Buy It Now

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Boxes all pond - of,

Boxes all pond - of,

£14.00 · Buy It Now

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50g aquarium fish tank - tank, filter

50g aquarium fish tank - tank, filter

£4.79 · Buy It Now

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Cloverleaf absolute pearls - cloverleaf,

Cloverleaf absolute pearls - cloverleaf,

£12.90 · Buy It Now

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100 pcs bio porous - bio, with

100 pcs bio porous - bio, with

£9.46 · Buy It Now

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Aquarium filter media bio - filter,

Aquarium filter media bio - filter,

£5.80 · Buy It Now

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Maxspect mantis bio block - maxspect/mantis, bio-block

Maxspect mantis bio block - maxspect/mantis, bio-block

£7.99 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£12.99 · Buy It Now

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Bio ceramic mini balls - bio,

Bio ceramic mini balls - bio,

£12.99 · Buy It Now

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Two maxspect bio - maxspect, media

Two maxspect bio - maxspect, media

£15.00 · Buy It Now

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Maxspect nano tech - nano, spheres

Maxspect nano tech - nano, spheres

£23.64 · Buy It Now

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56mm bio balls for - 16-56mm, pond

56mm bio balls for - 16-56mm, pond

£1.25 · Buy It Now

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50g ceramic bio ball filter - ceramic,

50g ceramic bio ball filter - ceramic,

£4.79 · Buy It Now

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Superfish bio balls - balls, pond

Superfish bio balls - balls, pond

£29.99 · Buy It Now

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Plastic bio balls including - bio,

Plastic bio balls including - bio,

£5.99 · Buy It Now

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Fluval biomax maximum - biomax,

Fluval biomax maximum - biomax,

£12.99 · Buy It Now

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Stilted bio sphere - stilted, bio-ball

Stilted bio sphere - stilted, bio-ball

£15.00 · Buy It Now

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Stilted bio sphere - stilted, bio-sphere

Stilted bio sphere - stilted, bio-sphere

£13.50 · Buy It Now

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Kockney koi kintama gold pond - kockney,

Kockney koi kintama gold pond - kockney,

£100.79 · Buy It Now

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500g volcanic rock bio balls - volcanic,

500g volcanic rock bio balls - volcanic,

£6.75 · Buy It Now

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Pack plastic bio - balls, +

Pack plastic bio - balls, +

£8.95 · Buy It Now

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Aqqa aquarium double - aquarium,

Aqqa aquarium double - aquarium,

£22.86 · Buy It Now

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Ceramic bio rings aquarium - rings,

Ceramic bio rings aquarium - rings,

£7.95 · Buy It Now

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Tetratec external aquarium - tetratec,

Tetratec external aquarium - tetratec,

£6.98 · Buy It Now

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Pond filter balls bio - k1,

Pond filter balls bio - k1,

£26.99 · Buy It Now

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Aquarium bio balls filter - bio,

Aquarium bio balls filter - bio,

£10.38 · Buy It Now

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Aquarium lightweight bio - bio, balls

Aquarium lightweight bio - bio, balls

£8.95 · Buy It Now

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Aquarium filter media bio - filter,

Aquarium filter media bio - filter,

£6.52 · Buy It Now

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Bio balls ball for - balls,

Bio balls ball for - balls,

£13.55 · Buy It Now

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Aquarium pond filter bio - aquarium,

Aquarium pond filter bio - aquarium,

£3.31 · Buy It Now

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Bio balls plastic 56mm - bio,

Bio balls plastic 56mm - bio,

£2.75 · Buy It Now

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10pcs nylon aquarium filter - nylon,

10pcs nylon aquarium filter - nylon,

£7.99 · Buy It Now

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Tetratec bio filter - tetratec,

Tetratec bio filter - tetratec,

£12.99 · Buy It Now

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Bio balls aquarium - bio,

Bio balls aquarium - bio,

£5.45 · Buy It Now

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Superfish lava rock 10l - superfish, lava-rock

Superfish lava rock 10l - superfish, lava-rock

£15.99 · Buy It Now

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Maxspect nano tech bio spheres - tech,

Maxspect nano tech bio spheres - tech,

£24.95 · Buy It Now

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Bio balls aquarium - balls, –

Bio balls aquarium - balls, –

£4.38 · Buy It Now

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Reefculture marine pure - reefculture,

Reefculture marine pure - reefculture,

£48.34 · Buy It Now

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Tetratec replacement bio - bio, balls

Tetratec replacement bio - bio, balls

£11.15 · Buy It Now

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50pcs bio porous filter - 50pcs,

50pcs bio porous filter - 50pcs,

£8.27 · Buy It Now

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Bio balls aquarium - bio, tank

Bio balls aquarium - bio, tank

£2.29 · Buy It Now

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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

£13.00 · Buy It Now

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Maxspect nano tech - maxspect,

Maxspect nano tech - maxspect,

£23.64 · Buy It Now

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Aquarium bio balls highly - balls,,

Aquarium bio balls highly - balls,,

£9.39 · Buy It Now

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Fluval biomax rings - rings, 500g

Fluval biomax rings - rings, 500g

£12.99 · Buy It Now

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100g 250g types - 250g, aquarium

100g 250g types - 250g, aquarium

£7.82 · Buy It Now

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Pontec replacement bioballs - pontec,

Pontec replacement bioballs - pontec,

£17.95 · Buy It Now

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Evolution aqua micro filter - k1,

Evolution aqua micro filter - k1,

£118.95 · Buy It Now

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Mei ting aquarium filter - ting, media

Mei ting aquarium filter - ting, media

£16.69 · Buy It Now

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Bio balls aquarium fish - balls, tank

Bio balls aquarium fish - balls, tank

£3.52 · Buy It Now

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Bioball biological urinal - bioball,

Bioball biological urinal - bioball,

£4.32 · Buy It Now

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Red sea max - red, bio

Red sea max - red, bio

£25.00 · Buy It Now

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Bio balls aquarium marine fish - balls,

Bio balls aquarium marine fish - balls,

£4.67 · Buy It Now

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Aquarium bio balls filter - balls,

Aquarium bio balls filter - balls,

£6.79 · Buy It Now

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Bio balls and - and, a

Bio balls and - and, a

£12.94 · Buy It Now

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100 pcs bio balls - pcs,

100 pcs bio balls - pcs,

£13.43 · Buy It Now

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Pond filter balls bio - k3,

Pond filter balls bio - k3,

£25.99 · Buy It Now

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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£12.35 · Buy It Now

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Fluval biomax 500g 1100g - fluval,

Fluval biomax 500g 1100g - fluval,

£20.13 · Buy It Now

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Fluval pre filter media - media, rings

Fluval pre filter media - media, rings

£11.95 · Buy It Now

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Bio balls aquarium - aquarium, tank

Bio balls aquarium - aquarium, tank

£4.38 · Buy It Now

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56mm bio balls for pond - 16-56mm,

56mm bio balls for pond - 16-56mm,

£1.87 · Buy It Now

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Maxspect bio sphere holder - maxspect,

Maxspect bio sphere holder - maxspect,

£13.58 · Buy It Now

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Super sized maxspect - sized,

Super sized maxspect - sized,

£22.00 · Buy It Now

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Bio media bundle maxspect - bio-media,

Bio media bundle maxspect - bio-media,

£29.99 · Buy It Now

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Bio balls aquarium fish tank - balls,

Bio balls aquarium fish tank - balls,

£4.86 · Buy It Now

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Aquarium reef tank - aquarium,

Aquarium reef tank - aquarium,

£4.36 · Buy It Now

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100pcs 16mm bio balls - 50/100pcs,

100pcs 16mm bio balls - 50/100pcs,

£7.79 · Buy It Now

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10pcs aquarium filter bags - aquarium,

10pcs aquarium filter bags - aquarium,

£3.88 · Buy It Now

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Superfish bio balls - superfish,

Superfish bio balls - superfish,

£13.47 · Buy It Now

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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

£7.99 · Buy It Now

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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

£23.00 · Buy It Now

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Biosphere bio balls filter - bio,

Biosphere bio balls filter - bio,

£11.87 · Buy It Now

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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£24.99 · Buy It Now

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📊96 listings · from £1.25 · avg £16.68
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 bio balls listings currently in our index. Prices range from £1.25 to £159.99, with an average of £16.68. 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 bio balls →

Try this: biorb 60 | biorb air | biorb aquarium | biorb stand | bow front aquarium | boyu aquarium | boyu fish tank | brine shrimp eggs | bubble tubes | cichlid fish tank

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Everything you need to know about bio balls

Whether you are looking for a brand-new or second-hand bio balls, 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 £1.25, while premium listings can reach £159.99 — giving you a wide budget spread to work with. The average price of £16.68 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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