ICL ProTurf® Hi K 12:2.2:16.6+ 4.3 Ca & 1.5Mg 25kgProTurf Hi K is rich in polyhalite. A unique natural source of potassium, magnesium, calcium and sulphur for healthy and resistant turf. Thanks to the fine dust free granules and its mode of release independent of climatic factors, ProTurf improves the quality of your turf. Key features: Fine and evenly coated granules for wider impact. Controlled growth with quick greening effect. Fine granules size for quick dispersal to minimize play interference.