The filter is the aquarium lung, necessary component to remove organic waste and substances harmful for fishes.
It is composed of a series of materials that must be put in a pre fixed order. The coming in water must meet in the following order:
1) Thermometer / heater, which regulates the temperature;
2) Sponge, which make a first filtration;
3) Synthetic fibre FILTERWOOL for a second finer mechanic filtration;
4) Filtering cylinders CYLINDER FILTER, ideal place for the colonization of the “good bacteria” of aquarium;
5) Natural coal CARBON FILTER for the removal of polluting substances;
6) Water pump.