Premium class liquid filter medium
Breaks down food remainders, ammonium and nitrite biologically
Provides settling area for useful purification bacteria
Creates a biologically active living environment

 
The dangerous toxic substances ammonium and nitrite are being formed permanently in aquarium water.
sera bio nitrivec, a sera biotechnology product, contains millions of purification bacteria, by whose support a stable biological equilibrium forms quickly and reliably so the occurring toxic substances are broken down continuously.
The additionally included mineral volcanic rock removes pollutants, effectively binds cloudiness and provided suitable settling area for the purification bacteria. For healthy, clear and biologically active water.
Allows adding fish already after 24 hours when combined with sera aquatan!
 
Recommended dosage
Shake well before using! A temporary white cloudiness indicates the efficacy of the product. Depending on the pollution degree of the water, the cloudiness will have disappeared entirely after 4 – 24 hours, and the water becomes crystal clear. Add 10 ml of sera bio nitrivec for every 25 l (6.6 US gal.) of water in case of new setups, water changes, newly added fish, filter cleaning and disease treatments.