Ida-Gro Pelletized Gypsum, or calcium sulfate, is clean and virtually dust free. It is also non-toxic, non-corrosive and non-flammable. Ida-Gro Pelletized Gypsum is a safe source of sulfur and calcium. Gypsum, in addition to prevention and correction of sodicity, provides: greater stability of soil organic matter, more stable soil aggregates, improved water penetration into soil, and more rapid seed emergence. Use this mix to break up heavy soil in your lawn, garden, flower beds, and more!
12 to 50 lbs. per 1000 square feet