Granular Patassium Magnesium Sulphate *K2O:24% , Mg:6%, *S:17% ... , Cl:2% *H2O:0.8% PH:7.0~9.0 *Insoluble matter:1%max Granular ... with the traditional potassium sulfate, Potassium Magnesium Sulphate increased magnesium elements, greatly improving the crop’ ... of compound fertilizer and BB fertilizer. Appearance: granular, powder, pure white.Application methods: as basal ...