Sera Siporax Bio Filter Medium Professional 15mm 2.9kg ARTIFICIAL ORNAMENTS PremiumSub provides the most ideal

PremiumSub provides the most ideal environment for the cultivation of denitrifying bacteria

and candle holders

Excess phosphate can lead to increased algae growth

helping to prevent fish loss

as well as for all breeds of Tiger shrimp

Sera Siporax Bio Filter Medium Professional 15mm 2.9kg ARTIFICIAL ORNAMENTS PremiumSub provides the most idealMaximum optimization of biological filtration The original sera siporax Professional is suitable for use in both freshwater and marine aquariums as well as in ponds. Not depending on the kind of filter (internal external trickle filter), it maximizes the surface required for biological purification and provides the optimal substrate for the settling of necessary filter bacteria. Filter and breakdown processes in the bottom ground of natural waters are