15 lb., Turf Turbo Fast Acting Lime. Works super fast to raise the pH of acidic soils to keep lawns healthy, and to help fertilizers work more effectively. Apply 15 lbs. to 2,500 square feet to raise the pH by a point. Apply to 5,000 square feet to maintain pH. Pelletized for easy application. Dust free pellets activate when watered to immediately impact soil pH to more neutral levels. Favored by grasses, and plants.