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Under normal conditions
04 use at the lowest PO4 values
When not in use
Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems
For saltwater aquariums
Sera Siporax Professional 25mm - 11Kg CORAL DIP Under normal conditionsSera 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
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