... 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% 17%min Cl 3% 2%max H2O 4% 0 ... .8%min Water Insoluble 2% 1%max PH 7.0~9.0 7.89 Appearance 1~4mm 3~4mmTips:Potassium Magnesium ...