Product: Eheim Substrat Ehfi - biological mass filter 2000ml
Applications: Aquariums of fresh and marine
Mass filter with considerable biological filtering surface of ca. 450 square meters per liter. Ideal for a better settlement of aerobic bacteria.
Biological filtration is based on the transformation of substances toxic to the aquarium by aerobic bacteria, capable of transforming proteins and derivatives of the process of decomposition.
To ensure that this process occurs in a fast and effective, you must have half filter with very porous, so as to provide the highest bacterial surface in the shortest possible space.
Substrat Ehfi has an area of 450 square meters per liter. A prerequisite for the optimal installation of micro-organisms necessary for a good filter in fresh and salt water aquariums.