adsorptive filter masses are materials which take away from the water injurious substances and take up them or bind.
Besides, it is, e.g., about chlorine from the tap water, around rests of drugs or about tracks of cleaning agents, pesticides, colorings etc.
advise: Use adsorptive filter media only few weeks. Because the pollutants only stick, they will be detached after some time and will be transported back in the water.
adsorptive filter media