ICL Blue-Max 2-3 Month Coated Aluminum Sulfate 50 Lb E90191

Specially formulated for use in the production of blue variety Hydrangeas.
Blue-Max features new polymer-coated E-Max Release Technology that conveniently delivers controlled release Aluminum Sulfate (Al) to create and maintain the desired blue color of hydrangea flowers. With this coated approach, growers can deliver a sustained supply of Al to the plant in a safe and reliable manner. And unlike with drenches, the consistent release within specified longevities eliminates the need for repeated applications, saving time, labor and ultimately dollars.