In the cement industry, this industrial ferrous sulphate heptahydrate crystals are employed as a reducing agent to reduce chromate. These are best suitable for enhancing the coagulation and removal of substances like phosphorus in the water treatment industry. In addition to this, the said products can be employed directly in water treatment plants. Our offerings are a blue-green chemical which is employed in a variety of industries, including medicine, the production of ink and dye, and agriculture. Industrial ferrous sulphate heptahydrate crystals come in a variety of hydrated states, some of which are present in nature.