IFFCO Urban Gardens Gypsum Meal is a Natural and Organic fertilizer and Soil Conditioner, containing high levels of organic Calcium and Sulphur. Deficiency of these Secondary nutrients can cause discolored patches, Shedding and Dead buds, Weak Stems, Burnt Tips, and Slow Growth Rate. Gypsum Meal also acts as a Soil Conditioner by loosening soils and improving its overall structure, leading to improved drainage and aeration.