Aquatic Nature Bio-Ring Small EXCEL 2,5 L for placement in the aquarium filter
Bio-Ring Small Excel selected for its very large surface, 1000 m² per 100 g.
This is the ideal field for both aerobic (nitrifying) and anearobic (denitrifying) bacteria. Optimal and rapid degradation of organic waste.
Bio-Ring Small Excel is excellent for aquariums with lower animals or smaller fish of approx. 4 to 9 cm.