Aragonite/Oyster Shell Flour

This product serves as an excellent source of calcium and nourishment for soil microbes. It enhances biological activity in the soil, improving the availability of essential nutrients and minerals to your plants. Ideal for living organic soils, it offers a pure and natural calcium alternative to Lime. Use 1-2 cups per cubic foot of soil to complement a comprehensive nutrient and mineral regimen. Enjoy free shipping on the 45 lb option! Aragonite / Oyster shell (0-0-0-94 Ca) - A coral sea calcium that is high in calcium and low in magnesium. 97% calcium carbonate and calcium silicate combined 33%min - 40% available calcium. Other minerals in aragonite: Fe203 .025%, Al203 0.15%, MgC03 1.50%, SO3 0.20%, NaCL 1.25%, Sr0 1.25%, Si02 0.88%   ALSO WORKS AMAZING AS A TOP LAYER FOR BOCCE COURTS