Bio-Balls are highly effective biological filtration media designed to promote the growth of beneficial bacteria in aquarium filtration systems. Available in 26mm and 36mm sizes, these bio-balls provide a large surface area that helps break down harmful substances such as ammonia and nitrite, improving overall water quality.
The open-structure design allows excellent water flow and oxygen circulation, making them ideal for use in sump filters, wet/dry filters, trickle filters, and canister filters. By supporting strong colonies of nitrifying bacteria, bio-balls help maintain a stable and healthy environment for aquarium fish.
These durable plastic bio-balls are long-lasting, reusable, and suitable for both freshwater and marine aquariums.
Explore more aquarium filtration solutions available at Nano Fish Corner, including bio media, ceramic rings, and filter wool to improve your tank’s water quality. Visit our
<a href=”https://nanofishcorner.lk/product-category/filtration/filter-media/”>Aquarium Filter Media collection</a>.
Key Features
✔ High Surface Area – Encourages beneficial bacteria growth for biological filtration
✔ Excellent Water Flow – Open design allows optimal oxygen and water circulation
✔ Durable Material – Long-lasting plastic construction
✔ Reusable & Easy to Clean – Rinse using aquarium water during maintenance
✔ Two Size Options – Available in 26mm and 36mm
Available Sizes
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26mm Bio-Balls
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36mm Bio-Balls
Benefits of Using Bio-Balls
- Helps reduce ammonia and nitrite levels
- Supports the biological filtration cycle
- Improves water stability
- Suitable for aquariums with heavy fish loads
Suitable For
- Sump filters
- Wet/Dry filters
- Trickle filters
- Canister filters
- Freshwater aquariums
- Marine aquariums



