We are leading manufacturer, supplier and exporter of Ferrous Sulphate Heptahydrate in Meerut, Uttar Pradesh, India. We offer Ferrous Sulphate Heptahydrate, which is used as a fertilizer in agricultural industry and as a feed additive in poultry and cattle industry. It is also used as a mordant in dyeing wool, manufacturing of ink and as a substitute for aluminum sulfate in water purification. Ferrous Sulphate Heptahydrate is a blue-green, monoclinic crystals. Here is the testing report for Ferrous Sulphate Hepta Hydrate (FeSO4.7H2O). The percentage composition is as follows: Iron 20% +- 0.5% Sulphur 10.5% min. pH 3.5 to 4 Color Green Physical Form Crystals Purity of FeSO4.7H2O is more than 98%.