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Bio balls

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Bio balls for sale on largest auction and classifieds sites

Home / Miscellaneous Electronics / Bio balls refurbished & used for sale | For Sale UK
30pcs 16mm aquarium bio - 30pcs, balls

30pcs 16mm aquarium bio - 30pcs, balls

£4.99
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Bio ceramic mini - bio,

Bio ceramic mini - bio,

£12.99
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Aquarium bio balls filter - aquarium,

Aquarium bio balls filter - aquarium,

£19.60
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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

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

£9.50
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Bio balls aquarium - aquarium, tank

Bio balls aquarium - aquarium, tank

£7.99
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Aquarium fish tank - aquarium, filter

Aquarium fish tank - aquarium, filter

£8.13
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Aquarium bio balls filter - balls,

Aquarium bio balls filter - balls,

£4.99
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Bio balls aquarium fish - aquarium,

Bio balls aquarium fish - aquarium,

£24.99
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Bio balls media aquarium - bio,

Bio balls media aquarium - bio,

£12.45
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Premium aquarium bio balls - bio,

Premium aquarium bio balls - bio,

£4.60
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100 bio balls - 100,

100 bio balls - 100,

£8.99
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100 pcs bio - 100,

100 pcs bio - 100,

£7.56
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Evolution aqua pure bio - pure, balls

Evolution aqua pure bio - pure, balls

£9.95
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Fluval bio balls - fluval,

Fluval bio balls - fluval,

£16.15
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£9.99
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Stilted bio sphere - stilted, bio-ball

Stilted bio sphere - stilted, bio-ball

£13.50
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100 pcs bio balls - 100,

100 pcs bio balls - 100,

£7.56
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Bio balls for pond aquarium - bio,

Bio balls for pond aquarium - bio,

£5.45
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100 pcs 6cm bio porous - 100,

100 pcs 6cm bio porous - 100,

£7.56
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Aquarium filter media - aquarium,

Aquarium filter media - aquarium,

£11.95
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56mm bio balls - bio, pond

56mm bio balls - bio, pond

£1.31
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External aquarium filter - filter, media

External aquarium filter - filter, media

£12.99
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Plastic bio balls with - balls, filter

Plastic bio balls with - balls, filter

£15.95
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Pack plastic bio balls - plastic,

Pack plastic bio balls - plastic,

£8.29
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Biosphere bio balls filter - biosphere,

Biosphere bio balls filter - biosphere,

£11.87
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56mm bio balls for pond - bio,

56mm bio balls for pond - bio,

£1.25
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100g 250g types aquarium - 15,

100g 250g types aquarium - 15,

£7.82
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Aquarium filter media - filter,

Aquarium filter media - filter,

£12.45
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Ceramic bio rings - ceramic, aquarium

Ceramic bio rings - ceramic, aquarium

£15.45
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Stilted bio sphere - stilted, bio-sphere

Stilted bio sphere - stilted, bio-sphere

£12.00
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Stackable biological media - stackable,

Stackable biological media - stackable,

£17.99
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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£9.99
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100pcs 16mm bio - ×16mm,

100pcs 16mm bio - ×16mm,

£12.53
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Aqqa aquarium double - aquarium,

Aqqa aquarium double - aquarium,

£22.86
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Mei ting aquarium - mei, filter

Mei ting aquarium - mei, filter

£13.46
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Bio balls aquarium - bio,

Bio balls aquarium - bio,

£4.38
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Plastic bio balls - plastic, including

Plastic bio balls - plastic, including

£19.49
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Pond filter balls bio - k2,

Pond filter balls bio - k2,

£21.99
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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£9.99
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Maxspect nano tech bio - tech, bio-sphere

Maxspect nano tech bio - tech, bio-sphere

£22.45
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Pond filter balls bio - k2,

Pond filter balls bio - k2,

£25.99
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Aquarium filter media wool bio - filter,

Aquarium filter media wool bio - filter,

£26.95
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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

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

£7.99
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Reef pro 1200 1500 sump - dd,

Reef pro 1200 1500 sump - dd,

£12.99
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30pcs 16mm aquarium - 30pcs,

30pcs 16mm aquarium - 30pcs,

£4.97
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Bio balls aquarium filter - balls,

Bio balls aquarium filter - balls,

£16.79
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New bio balls filter media - bio,

New bio balls filter media - bio,

£4.38
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Maxspect mantis bio sphere - maxspect/mantis, 36

Maxspect mantis bio sphere - maxspect/mantis, 36

£9.99
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70pcs reusable bio - bio, 3xm

70pcs reusable bio - bio, 3xm

£5.45
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Fish tank aquarium filter bio - fish,

Fish tank aquarium filter bio - fish,

£6.52
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Bio balls aquarium - bb-40,

Bio balls aquarium - bb-40,

£4.38
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1000 bio balls - 1000,

1000 bio balls - 1000,

£27.99
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All pond solutions bio - all,

All pond solutions bio - all,

£3.31
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Maxspect nano tech - nano, spheres

Maxspect nano tech - nano, spheres

£23.64
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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

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

£9.50
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16mm 76mm bio balls - 16mm~76mm,

16mm 76mm bio balls - 16mm~76mm,

£52.20
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Bio balls plastic - bio, 16~56mm

Bio balls plastic - bio, 16~56mm

£16.31
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Bio balls aquarium - aquarium, marine

Bio balls aquarium - aquarium, marine

£24.83
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Bio balls ceramic rings - rings, set

Bio balls ceramic rings - rings, set

£8.75
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100 pcs bio - bio, porous

100 pcs bio - bio, porous

£7.56
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Maxspect nano tech bio spheres - maxspect,

Maxspect nano tech bio spheres - maxspect,

£24.95
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Evolution aqua micro filter - aqua,

Evolution aqua micro filter - aqua,

£118.95
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100 pcs bio balls filter - balls,

100 pcs bio balls filter - balls,

£7.56
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Maxspect nano tech bio - nano,

Maxspect nano tech bio - nano,

£23.64
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Poly lab block filter media - lab,

Poly lab block filter media - lab,

£52.70
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16mm 76mm bio balls - 16mm~76mm,

16mm 76mm bio balls - 16mm~76mm,

£52.20
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Bio ball sphere media - bio, holder

Bio ball sphere media - bio, holder

£5.98
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Maxspect mantis bio sphere - maxspect/mantis, bio-sphere

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

£7.99
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Pcs 18mm diameter - 18mm, black

Pcs 18mm diameter - 18mm, black

£5.82
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Interpet aquarium clean pods - interpet,

Interpet aquarium clean pods - interpet,

£7.49
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Bio porous filter media 50pcs - porous,

Bio porous filter media 50pcs - porous,

£9.99
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Pond filter balls - pond,

Pond filter balls - pond,

£25.63
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Pond filter balls bio - k2,

Pond filter balls bio - k2,

£23.17
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Boxes all pond - 2,

Boxes all pond - 2,

£14.00
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Superfish bio balls - -,

Superfish bio balls - -,

£13.47
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Aquarium lightweight bio balls - bio,

Aquarium lightweight bio balls - bio,

£8.95
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10pcs aquarium filter bags - 10pcs,

10pcs aquarium filter bags - 10pcs,

£4.01
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Bioball biological urinal - bioball,

Bioball biological urinal - bioball,

£156.00
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56mm bio balls for pond - balls,

56mm bio balls for pond - balls,

£1.25
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Maxspect nano tech bio spheres - nano-tech, bio-spheres

Maxspect nano tech bio spheres - nano-tech, bio-spheres

£24.95
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Red sea max - max, nano

Red sea max - max, nano

£25.00
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100pcs aquarium bio balls - 100pcs,

100pcs aquarium bio balls - 100pcs,

£9.90
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Maxspect nano tech - nano-tech, bio-spheres

Maxspect nano tech - nano-tech, bio-spheres

£37.75
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100 pcs bio balls filter - bio,

100 pcs bio balls filter - bio,

£12.29
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Bio balls aquarium fish - bio,

Bio balls aquarium fish - bio,

£4.86
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Waterbox 15 bio sphere - 10, /

Waterbox 15 bio sphere - 10, /

£13.50
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Plastic bio balls - plastic,

Plastic bio balls - plastic,

£18.73
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Reefculture marine pure - reefculture,

Reefculture marine pure - reefculture,

£36.95
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5kg biohome filter media - 5kg,

5kg biohome filter media - 5kg,

£45.64
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Ceramic bio rings - ceramic, +

Ceramic bio rings - ceramic, +

£9.73
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100 pcs bio - pcs,

100 pcs bio - pcs,

£12.36
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Bio balls aquarium marine - bio, fish

Bio balls aquarium marine - bio, fish

£87.18
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100pcs bio balls filter - 100pcs, media

100pcs bio balls filter - 100pcs, media

£9.72
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Kockney koi kintama - kockney, pond

Kockney koi kintama - kockney, pond

£100.79
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Maxspect bio ball holder - ball, 5x3

Maxspect bio ball holder - ball, 5x3

£7.59
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Two maxspect bio sphere media - bio-sphere,

Two maxspect bio sphere media - bio-sphere,

£15.00
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📊96 listings · from £1.25 · avg £18.75

Browse 96 bio balls listings currently in our index. Prices range from £1.25 to £156, with an average of £18.75. 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 →

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

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 £156 — giving you a wide budget spread to work with. The average price of £18.75 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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