Agricultural chemicals, except fungicides, weedkillers, herbicides, insecticides and parasiticides; anti-stain chemicals; chemical agents for use in water purification; chemicals treating water; chemicals for use in aquariums (other than pharmaceuticals); chemicals for use in cleaning water; chemicals for use in coating agricultural seeds (other then fungicides, herbicides, insecticides, parasiticides); chemical additives for use in industry; chemicals for use in scientific research (other than for medical or veterinary use); chemicals for use in swimming pools; chemicals for use in the purification of water; chemicals for use in the treatment of waste water; chemicals for use in the treatment of water; chemicals used in industry; coatings for waterproofing (chemicals); copper chemicals; purification chemicals; sewerage water treatment chemicals; water testing chemicals

Algaecides (chemicals for swimming pool maintenance)