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The Black Bio Balls 3cm by Portugal Pet (code QAA822) are a highly effective biological filter media designed to support the growth of beneficial bacteria in aquariums.
Their spherical structure with multiple ridges provides a large surface area, enhancing biological filtration and supporting the nitrogen cycle by reducing ammonia and nitrite levels.
They are suitable for use in external filters, sumps, and large filtration systems, in both freshwater and marine aquariums.
Key features:
- Diameter: approx. 3 cm
- High surface area for nitrifying bacteria
- Supports nitrogen cycle stability
- Reduces ammonia and nitrites
- Durable and reusable material
- Discreet black color
Application:
Place in the biological filtration section of the filter or sump.
Maintenance:
- Do not rinse with tap water
- Clean occasionally with aquarium water
- Replace partially if needed
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