Due to its particularly porous form, Siporax not only works in the aerobic area but also in the anaerobic area. Thus, nitrate is also degraded. Since it is made of sintered glass, no substances are released to the aquarium water. 15 mm in size.
from 9,38 € *
Cirax is a biological filter medium which creates the perfect colonisation conditions for useful bacteria, due to its large, highly porous surface.
from 6,49 € *
Clay tubes are mostly used as pre-filter material. They hold back coarse dirt and can be washed out again at any time.
4,68 € *
Dennerle Nano Bio FilterGranulat ist ein leistungsstarkes, biologisches Langzeit Filtermaterial. Für die Anwendung in Dennerle Nano Filtermodul und Dennerle Nano FilterExtension.
5,85 € *
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.
from 5,89 € *
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 € *
Fester Naturstein mit vielen Poren, Kanälen und Hohlräumen. Wirkt adsorptiv, Umweltgifte und Fäulnisprodukte werden vom Hohlraumsystem elektrostatisch angezogen und festgehalten. Fördert eine rasche Bakterienkultur, hemmt den Algenwuchs.
from 18,51 € *