Artificial plant-cultivation soil made of mineral materials; Chemical preparations for testing swimming pool water; Chemical preparations in the nature of filtering materials in hot tubs,spas,natural spa waters,hot springs,bath,swimming pools,ponds; Granular absorbent mineral-based composition for absorbing spills from floors; Mineral fertilising preparations; Mineral substances used to oxidize impurities and regulate temperatures in glass production furnaces; Mineral substances in the natur...