JBL Micromec 1l, Sintered Bio-Glass Balls for Aquarium Filters for Breaking Down Pollutants
Rated 4.7 / 51,060 ratings on Amazon →
Pros
- Highly porous sintered glass structure gives beneficial bacteria a large surface area to colonise
- Reusable biological media lasts far longer than disposable cartridges
- Well-reviewed German-engineered media that fits most external and internal filters
Cons
- Needs several weeks to fully mature before reaching peak biological effectiveness
Related attributes
Not sure which aquarium filters & pumps is right for you? Read our How to Care for & Maintain Your Aquarium Filters & Pumps guide.
£20.99
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