Olympus Myco 97% Pure Gypsum Powder — 5 lb Soil Conditioner (Calcium Sulfate Dihydrate)

Olympus Myco 97% Pure Gypsum Powder is a versatile soil amendment crafted to support healthier roots, improve substrate structure, and assist moisture distribution across gardens, lawns, and grow spaces. Housed in a convenient 5 lb bag, this powder blends smoothly into existing mixes, making it easy to tailor your substrate to your project without disruption.

The core material, calcium sulfate dihydrate, delivers a measured dose of nutrients while helping maintain a balanced environment in the root zone. With a high solution-grade purity of 97–99 percent, this gypsum powder offers dependable consistency for routine conditioning, erosion control, and texture enhancement. Expect incremental changes as your beds breathe more freely and your substrate feels lighter to the touch during mixing and incorporation.

Key benefits

• Improves soil and substrate structure to reduce compaction and boost air movement
• Supports plant and mushroom growth with essential calcium and sulfur in a balanced mix
• Enhances water retention for even moisture distribution without oversaturation
• Reduces clumping and improves texture for easier mixing and uniform application
• Solution-grade purity of 97–99 percent for reliable soil conditioning

Ideal uses and application notes

• Gardens and lawns to improve consistency and moisture flow in the root zone
• Grow operations and substrate prep for mushrooms to support healthy mycelium growth
• Bed amendments in planters or raised beds to help prevent crusting and promote even distribution

How you apply matters. Sprinkle the powder into the topsoil or substrate and blend evenly, then water as part of your routine irrigation. For best results, start with conservative amounts and adjust as you observe soil texture and moisture behavior. While results vary with soil type and climate, Olympus Myco gypsum powder is designed to offer a practical, adaptable option for soil conditioning across multiple environments.

In short, this gypsum powder provides a measured approach to soil conditioning. It pairs purity with practical performance, inviting gardeners and growers to experiment with substrate improvements that may support healthier roots, better drainage, and a more workable bed texture. If you are seeking a reliable amendment for structure, moisture distribution, and texture, this product presents a versatile tool for many setups.