Jonathan Green Mag-I-Cal Plus is a natural soil food for lawns that rapidly lowers soil pH, loosens heavy and hard-packed soils, and stimulates soil microbes to maximize nutrient absorption from lawn food. Formulated for use on alkaline and hard soil, it contains fast-acting sulfur to enhance nutrient availability. Suitable for all grass types and all seasons. Covers up to 5,000 square feet.
- Lowers soil pH in alkaline soil conditions
- Loosens compacted, hard-packed soil
- Feeds and activates beneficial soil microbes
- Suitable for all grass types and all seasons
- Covers up to 5,000 square feet
