Our sterilized 3 lb grain spawn bag is crafted from a premium blend of milo, millet, wheat, and corn, carefully selected for nutrient diversity and ideal hydration. This mix provides a variety of grain sizes and textures to encourage healthy, vigorous colonization and make shaking and redistribution easier during growth.

Highlights

• Pre-sterilized and ready to use
• Self-healing injection port for convenient spore or liquid culture injection
• 4-grain blend: milo, millet, wheat, and corn
• Great hydration and texture for strong, even growth
• Designed for easy mixing and shakeability during colonization
• Also available in 2 lb and 5 lb sizes

Quantity Prices

• 1–4: $19.95 each 
• 5–9: $18.95 each
• 10–29: $17.25 each
• 30+: $16.95 each

Discount automatically applies at checkout