Crystal Bio Media 30-50mm 50 Litre Box

Crystal Bio is a special, environmentally friendly filter-media that is heated to temperatures above 900°C to create a network of interconnected glass cells. This results in media with at least ten times the surface area.
superior to the majority of plastic substitutes. Additionally, the weight is incredibly light in comparison.
Compared to other porous filter media, Crystal Bio weighs 7,5 Kilos for 50 litres! Please note: Crystal Bio

- The interconnected porosity cell structure of Crystal Bio media
enabling a significant biological surface area.
- Crystal Bio guards against pH lowering.
- Aids in reducing nitrates
- Appropriate for trickling filters and multi-bay filters.

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