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25239i - Impeller Set for MantaRay 4000
Vitamin B12
Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems
Diameter 24 mm suits 200L Tank
Sera Siporax Professional 25mm - 11Kg CORAL DIP 25239i - Impeller Set forSera Siporax Professional 25mm 11Kg The original sera siporax Professional is suitable for use in both freshwater and marine aquariums as well as in ponds. Maximizes the surface required for biological purification and provides the optimal substrate for the settling of necessary filter bacteria. Pollutants such as ammonium, nitrite and nitrate are removed. sera perfectly put this into practice with the unique high performance filter medium sera
