CAL-TURF PRO CHELATED CALCIUM LIMESTONEMore effective than limestone in raising soil ph Begins to neutralize soil acidity immediately, resulting in soil ph increases that can be measured in weeks Allows a lawn applicator to use less products, savings time, labor, transportation and storage Formulated to contain a chelated agent and limestone within every pellet Increases root development, vigor and plant growth, and drought and stress tolerance Made in the usa