Espoma Organic Traditions Garden Gypsum - 5 lb Bag GG5 (Discontinued by Manufacturer)
GG5  Features: -Insect control.-The finest grade pelletized gypsum available.-A natural high purity mineral that provides valuable benefits to soils and plants.-While it is not a fertilizer, it can help increase the productivity of all your gardening efforts.-Loosens clay soils and helps improve water and air penetration.-Aids in minimizing salt damage to plants.-Helps promote root growth and maximizes fertilizer effectiveness.-Ecologically safe, nontoxic, no burning.-Safe for plants, pets and people.