Crystal Bio Media 30-50mm 50 Litre Box

Crystal Bio is a unique, eco-friendly filter-media, heated in excess of 900°C, creating a hype connecting  glass cell structure. This produces media with a surface-area at least 10 times
greater than most plastic alternatives. Furthermore, the weight is extremely low in comparison
to other porous filter media: 50 litres of Crystal Bio weights 7,5 Kilos! Attention: Crystal Bio
floats!

ADVANTAGES:
- Crystal Bio media has an Inter-connecting porous cell structure
allowing for a massive biological surface area.
- Crystal Bio helps prevent pH drop.
- Helps reduce Nitrates
- Suitable for multi-bay filters and trickle filters.#