Cirax is a biological filter medium which creates the perfect colonisation conditions for useful bacteria, due to its large, highly porous surface.
from 6,00 € *
Clay tubes are mostly used as pre-filter material. They hold back coarse dirt and can be washed out again at any time.
5,90 € *
Dennerle Nano Bio FilterGranulat ist ein leistungsstarkes, biologisches Langzeit Filtermaterial. Für die Anwendung in Dennerle Nano Filtermodul und Dennerle Nano FilterExtension.
7,76 € *
Natural product with a highly porous surface, providing optimal conditions to obtain a high colonization of bacteria, essential to the balance of your aquarium and well-being of fish and plants. Recommended replacement every 4-6 months.
from 3,51 € *