Kieserite Fertilizer

We supply natural kieserite : natural kieserite: 1.100% natural magnesium oxide extracted from the sea water. (not synthetic type usually made with mgo plus sulfuric acid). 2. High magnesium supplement to promote photosynthesis of plant. 3. Can be completed absorbed by the soil. 4. No damage and caking trouble to soil condition. items natural kieserite powder natural kieserite powder natural kieserite granular total mgo 25%min w-mgo 25%min water soluble s 17%min moisture 3.5%max size 0.1-1mm90%min 0.1-1mm 90%min 2-5mm 90%min color dark white