Greenway Biotech Organic Gypsum Powder - Solution Grade Calcium Sulfate Soil Amendment for Clay Soil, Lawn, Garden - 97% Pure (22.5% Ca, 18% S) - Improves Drainage - Made in USA - (25 X 2) Pounds

Transform Heavy Clay Soil: This solution-grade powder quickly loosens compacted ground to enhance drainage and aeration. This pH-neutral soil conditioner enables roots to penetrate deeper without changing soil chemistry. Solution Grade Purity: Contains 97% calcium sulfate dihydrate with 22.5% calcium and 18% sulfur. Fine professional-grade powder absorbs more rapidly than chunky pellets - perfect for quick soil improvement and fertigation systems. Stop Blossom End Rot: The ultimate calcium boost for tomatoes, peppers, and fruit trees. It strengthens plant cell walls, improves nutrient transport, and prevents common calcium deficiencies that lower crop yield. Repair Salt-Damaged Yards: Effectively flushes excess sodium caused by winter de-icing, heavy fertilizers, or irrigation water. It reduces aluminum toxicity and creates a favorable environment for earthworms and beneficial microbes. pH Neutral Advantage: Unlike agricultural lime, gypsum adds calcium WITHOUT raising soil pH. Safe for alkaline soils, acid-loving plants like blueberries, and any garden where pH balance is important. Fast-Acting Formula: Fine powder dissolves and penetrates soil more quickly than pelletized gypsum. See drainage improvement in weeks, not months. Works instantly upon watering in. Mushroom Cultivation Ready: Professional-grade calcium sulfate enhances substrate structure and water-holding capacity. Provides essential calcium for healthy mycelium development and boosts yields in oyster, shiitake, and specialty mushrooms