Ferrous Sulphate Heptahydrate FAMI-QS, REACH ferrous sulphate heptahydrate is used as feed additives or water treatment. Appearance:Light green Powder Packing:Net 25kgs,50kgs plastic woven bags with inner liner or 1000kgs/1100kgs /1200kgs/1250kgsApplication:Industrially,ferrous sulphate is mainly used as a precursor to other iron compounds.It is a reducing agent,for the reduction of chromate in ...