- Regular price
- £9.99
Superfish Hollow Bio Beads is a biological filter medium with a unique and innovative design: a porous hollow bead with a biological cavity inside.
This provides a double action filtration: 1) Optimal aerobic filtration through the porous bead with a specific surface area over 500m² per litre. The high oxygen content in the filter media ensures optimal nitrification resulting in detoxification off ammonia and nitrite. 2) The biological cavity inside the bead has a low accessibility for water and oxygen, allowing anaerobic denitrification (breakdown of nitrate).
Features
- Double action filtration: aerobic and anaerobic
- Filter surface of more than 500m² per litre
- Reduces nitrate levels, helping to limit nuisance algae growth
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