Gypsum, 2.5-Lb., Covers 400 Sq. Ft.

2.5 LB. 400 SQFT Coverage, Gypsum Plus Ast, High Quality Gypsum Combined With Patented Ast Polymer Formulation, Up To 8 Times Faster Than Typical Gypsum, Loosens Crusty Soil, Repairs Winter Salt Damage & Dog Spots, Designed For Garden Application, Bagged.