APEX® Sapphire: GAL-Xe Aluminum Sulfate
Sapphire is a slow release polymer coated aluminum sulfate, with 15% Aluminum (Al) and 12% Sulfur (S), designed to increase the development of the blue flower color in blue Hydrangeas.
Label link: http://techsheets.simplot.com/Apex/74438_apexsapphire_galxeone.pdf
More Information: http://www.simplot.com/turf_horticulture/apex/products/apex_specialty
Product Number: FER445-74438
Product ID: 489