Water treatment preparations; microorganisms, enzymes and bacteria and trace elements, substrates and minerals for water treatment, other than for medical purposes; biological preparations for use in industry and science; filtering materials [vegetable substances], bacterial filter materials; bacteria, in particular for water treatment, other than for medical purposes; oxygen, chemicals containing oxygen, other than for medical use; biological water treatment preparations, containing oxygen; chemical preparations and substances for treatment of ponds and aquariums; enzymes, living biological micro-organisms and their enzymes; clarifying preparations for aquariums, for fountains, for ponds and for artificial water bodies; chemical products for purifying water; water-softening chemicals; polymer resins, unprocessed, unprocessed synthetic polymers.

Microbiological products including filter-bound microorganisms, bacterial cultures and algae; dietary supplements for animals.