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Prabhat Fertilizer Zinc Sulphate Heptahydrate 21% is a nutrient-rich fertilizer that contains zinc (Zn) at a concentration of 21% and Sulphur (Sulphur) at a concentration of 10%. (NPK). A chemical substance that is clear, colorless, and crystalline, and is very water soluble. It is popularly known as vitriol and is employed as a Heptahydrate.
