The top-class liquid filter medium
-Liquid biofilter medium
-Contains purification bacteria
-For crystal clear water
Due to the purification bacteria it includes, sera pond bio nitrivec, a sera biotechnology product, breaks down ammonium and nitrite effectively, quickly and in a natural way.
The included mineral volcanic rock removes pollutants, effectively binds cloudiness and provides settling space for the purification bacteria. The volcanic rock also contains calcium, potassium and magnesium - indispensable minerals that are continuously consumed in a pond.
For healthy, clear and biologically active water. Allows adding fish already after 24 hours!
