Sera Siporax Bio Active Professional 210g
Sera Siporax Bio Active Professional is a unique dry water conditioner that combines stabilizing biological filtration with effective and quick pollutant removal. Pollutant utilizing bacteria remove ammonia and nitrite already present shortly after the first contact with water. Sludge also decomposes faster, the biological equilibrium is stabilized, and maintenance intervals become longer. This 210g pack is suitable for an aquarium up to 400 litres.