Potassium magnesium sulfate,bio organic fertilizer *K2O:24%,Mg:6%, *S:17%,Cl:2% ... *H2O:0.8% PH:7.0~9.0 *100% soluble water Potassium magnesium sulfate ... ,bio organic fertilizer Specification: Element Specification Results of Inspection K2O 24% 24%min Mg 6% 6%min S 14% 17 ... fertilizer.Compared with the traditional potassium sulfate, Potassium Magnesium Sulphate increased magnesium elements ...