It is also a rich source of calcium and sulfur, which are essential nutrients for healthy mushroom growth. Improves Soil & Substrate Structure: Prevents compaction and enhances air circulation for healthier roots and mushroom mycelium.
Olympus Myco 97% Pure Gypsum Powder, 1 lb – High Solubility Calcium 1
Publisher: Olympus Myco. Improves Soil & Substrate Structure: Prevents compaction and enhances air circulation for healthier roots and mushroom mycelium. Ideal for gardens, lawns, and grow operations.