What is sodium thiosulfate uses in water treatment?

Sodium thiosulfate is commonly used in water treatment as a dechlorination agent. It reacts with chlorine and chloramines in water to neutralize their disinfectant properties, making the water safe for discharge. Sodium thiosulfate can also be used as a reducing agent to remove heavy metals and other contaminants from water. It is considered safe for use in water treatment and does not have any harmful effects on human health or the environment. Additionally, sodium thiosulfate is widely used as a photographic fixer, a medical antidote for cyanide poisoning, and in the manufacturing of various chemicals and textiles.