... from saline, so the 100% dissolution. My company production of magnesium potassium sulfate fertilizer, To extraction of natural fertilizer from the Saline ... minerals extracted from similar products. Main indexpotassium ( K )≥ 20.5%, magnesium ( Mg )≥ 6.5%, s ( S )≥ 17%Product usageSince 100% water ... is 10kg, 20kg, 25kg, 200kg, 1000kg2.Storage: sealed, moisture-proof. Potassium magnesium