... Classification:sulphate Magnesium sulfate heptahydrate Magnesium sulfate heptahydrate Molecular Formula: MgSO4nH2O(n=0,1,2,3,4,5,6,7)Molecular ... Solution)5.0-9.25.0-9.25.0-9.25.0-9.25.0-9.25.0-9.2Iron(Fe)%max0.00150. ... also helps to loosen the soil and improve soil quality.The symptoms of lacking of "sulfur"and"magnesium ... of feed and fertilizer. MnSO4.7H2O size 0.1-0.5Magnesium sulfate heptahydrate