... PH:7.0~9.0 *Insoluble matter:1%max Potassium Magnesium Sulphate (PMS),K2O:24%Specification: Element Specification Results of ... the growth of crops. On the other hand, Potassium Magnesium Sulphate is hailed as “the gold partner” for crop ... , 100% natural fertilizer.Compared with the traditional potassium sulfate, Potassium Magnesium Sulphate increased magnesium elements, greatly improving the crop’s ...