Granubor is the only pure, 100% water soluble micronutrient that is engineered to meet crops' boron demands during the growing season. Other products and minerals with a lower water solubility fail to meet these demands. As a result, Granubor has delivered a greater return on investment (ROI) for farmers than any other mineral in use today. Plus, this granuated boron material meets the stringent requirements of the bulk blended-fertilizer industry.