Water treatment preparations, namely, chemicals for use in water treatment and chemicals for use in swimming pools and spas; 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; vegetable substances in the nature of filtering materials for the treatment of water in ponds and aquariums; bacterial filter materials being bacterial preparations for use in water treatment; bacteria, in particular for water treatment, other than for medical purposes; oxygen for industrial purposes, chemicals containing oxygen, namely, chemicals for the treatment of water, other than for medical use; biological water treatment preparations, containing oxygen; chemical preparations and substances, namely, chemicals for the treatment of water in ponds and aquariums; enzymes, living biological micro-organisms and their enzymes, other than for medical or veterinary purposes; clarifying preparations in the nature of chemicals for the treatment of water in aquariums, fountains, ponds and artificial water bodies; chemical products for purifying water; water-softening chemicals; unprocessed polymer resins and, unprocessed synthetic polymers
Chemicals