Potassium Magnesium Sulphate(PMS),K2O:24% *K2O:24% , Mg:6%, *S:17% , Cl:2% *H2O:0. ... 8% PH:7.0~9.0 *Insoluble matter:1%max Potassium Magnesium Sulphate (PMS),K2O:24 ... %Specification: Element Specification Results of Inspection K2O 24% 24%min Mg 6% 6%min S 14% ... increased magnesium elements, greatly improving the crop’s photosynthesis.It can promote the crop of phosphorus ...