sera nitrivec
Standard Delivery (Royal Mail 1st Class)
Biologically healthy aquarium water
sera bio nitrivec, a product of sera biotechnology, reduces the cleaning bacteria contained ammonium and nitrite.
The included mineral volcanic rock removes pollutants, effectively binds turbidities and provides settlement area for cleaning bacteria.
In volcanic rocks calcium, potassium and magnesium are embedded - essential minerals that are in the aquarium constantly consumed.
For healthy, clear and biologically active water.