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Crystal Bio is a unique, eco-friendly filter-media, heated in excess of 900°C, creating a hyperconnecting 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!


  • 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.

Crystal Bio Media 30-50mm

SKU: FM253
PriceFrom £83.87
  • Collection from our premises near Chepstow in South Wales by appointment or delivery to British mainland addresses.


    Delivery is £8.95 per order for most dry goods, with some more expensive delivery charges applicable for very heavy or long items.


    Please note delivery for dry goods is typically 2-5 working days and items may be sent in separate packages.

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