Available in 4-lb and 15-lb bags
Formulation: Aluminum Sulphate
Helps create an acid soil condition for plants such as azaleas, gardenias, camellias, rhododendrons, blueberries and others. Intensifies blue color in hydrangeas.
Shrubs: 1 lb. per 3 ft. of height
Trees: 1 lb. per inch of diameter
To correct alkaline soil: 5 lbs. per 100 sq. ft.