Sodium sulphite is a widely used reducing agent commonly found in water treatment, paper production, and industrial manufacturing applications. Usually supplied as a white crystalline powder, sodium sulphite is valued for its ability to remove dissolved oxygen and prevent unwanted oxidation in process systems. Its reliable chemical properties make it particularly effective in applications where product stability and equipment protection are essential. Sodium sulphite is also recognised for helping to improve process efficiency and maintain consistent results across a variety of industries.