Ferrous Sulphate Monohydrate 1)FeSO4.7H2O%,91%;Fe,30% 2)package,25kg/ ... scavenging agent,wood preservative,disinfectant and heliograph etc.3)as fertilizer, herbicide and pesticide in agriculture.4)as Local astringent and ... ,woven bag witg plastic lining,or according to your requirements. Hot sale!! Ferrous Sulphate Monohydrate