Iron EDDHA 6%, 4 pound jar

5.2% ortho-ortho content

 6 percent fully chelated EDDHA iron, is preferred in the most challenging soils that are alkaline and calcareous, including soils with a pH greater than 7.0. Contains a high ortho-ortho (5.2%) content, providing a highly efficient chelate that will keep working to “shuttle iron” from the soil to the plant for an extended period of time.

0.1 gram in one gallon of water yields 1.584ppm Iron