Jonathan Green Mag-I-Cal® for Lawns in Acidic Soil 5,000 sq. ft.
One bag of Mag-I-Cal® has the pH adjusting power of up to 15 bags of limestone. Rapidly and efficiently raises soil pH. Calcium and humates balance soil pH and stimulate microbial life. Encourages nutrient absorption.
18 lb. bag. Covers 5,000 sq. ft.