Jonathan Green 5M Mag-I-Cal Plus Acidic

MAG-I-CAL PLUS® for Lawns in Acidic + Hard Soil is a unique, soil-enhancing food that rapidly raises soil pH, loosens hard soil, and stimulates soil microbes. Contains fast-acting calcium which raises soil pH to enhance nutrient availability from lawn foods. It is also fortified with a patented, quick-releasing gypsum to help break up clay and compacted soil for better air, water, and root penetration into the soil. Increases biological activity in soils.