Used as a fungicide in agriculture to control fungal diseases in crops, especially in vineyards and orchards. Commonly applied in the formulation of Bordeaux mixture, which protects plants from mildew and other fungal infections. Widely used in water treatment to control algae growth in reservoirs, ponds, and swimming pools due to its algaecidal properties. Employed in the electroplating industry to deposit copper coatings on metals, improving conductivity and corrosion resistance. Utilized in the mining industry for the flotation process of certain ores, aiding in the separation of valuable minerals from waste rock. Applied in animal husbandry as a dietary supplement in trace amounts to prevent copper deficiency in livestock. Used in educational and laboratory settings for crystal growth experiments and as a reagent in various chemical tests, including the detection of proteins and reducing sugars.