Product Features: Lowers soil pH for acid loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron and dogwood. Turns hydrangeas blue. Includes easy-to-follow chart. Works in all soil types. Ship wt 4 lb.

Application Rates: For lowering pH: If your soil is 7.5, for every 100 sq ft, apply 4 lbs for sandy soil, 4 & 1/2 lbs for loamy soil, and 5 lbs for clay soil. If your pH is 7, for every 100 sq ft, apply 3 lbs for sandy soil, 3 & 1/2 lbs for loamy soil, and 4 lbs for clay soil. If your pH is 6.5, for every 100 sq ft, apply 1 & 1/2 lbs for sandy, 2 lbs for loamy, and 2 & 1/2 lbs for clay. To view the Label click on the link at the bottom of the page.