Granular sulphate of potash. Extremely round shape. Min. 50% K2SO4. Potash with Magnesium and Sulphur: 30-40% K2O, 6-10% MgO, 12,5 – 42,5 % SO3. Multisulphate: 14% K2O, 48% SO3, 6% MgO, 17% CaO.
