Aluminum Sulfate"Al2(SO4)3" Minimum 99% Pure! 50LB Bag!

50lb bag of aluminum sulfate powder. At least 99% pure. Aluminum Sulfate Granular Fertilizer Great for Hydrangeas Acidifies Soil (lowers pH), corrects high alkalinity. Not for spray application Use on: acid loving shrubs like rhododendrons, hydrangeas, blueberries, dogwoods, holly, gardenias, camellias, and azaleas Corrects: excess alkalinity in the soil. Rate: for large shrubs use 1 lb. per 3 ft. of height. For trees, use 1 lb. per inch of trunk diameter. For small shrubs, use 5 lbs. per 100 sq. ft Application: broadcast evenly, wash off foliage and water Acidifies Soil (lowers pH), corrects high alkalinity