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Filter:
Clay tubes are mostly used as pre-filter material. They hold back coarse dirt and can be washed out again at any time.
10,28 € *
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.
3,51 € *
Cirax is a biological filter medium which creates the perfect colonisation conditions for useful bacteria, due to its large, highly porous surface.
10,58 € *
sera siporax mini Professional was developed especially for smaller aquariums up to a volume of approximately 100 liters. It allows maximum increase of the settling surface for purification bacteria but has a compact shape at the same time.
12,38 € *