Ready to Inoculate
STERILE GRAINS
Clean, ready-to-inoculate grain bags built for fast, reliable colonization. Expertly hydrated and sterilized, they provide a dependable foundation for strong mycelial growth and consistent results.
Learn About Our Grains
Sterile Grains Explained
Grain bags provide a clean, hydrated, nutrient-rich base material used in mycology workflows. They are designed to support even distribution and consistent performance when used alongside other materials.

Milo / Sorghum

Small Grain Fast Performance High Distribution

Milo is one of the most popular grains used in mycology applications. Its small size allows for even distribution throughout the bag, making it a reliable and efficient option.

  • Small grain size supports even distribution
  • Breaks up easily for consistent mixing
  • Works well with liquid culture or agar inputs
  • Widely trusted for consistent performance

Popcorn

Large Kernel Easy to Inspect Classic Choice

Popcorn grain is a classic option known for its larger kernel size. Many prefer it for its visibility and ease of use during handling and inspection.

  • Larger kernels are easy to visually inspect
  • Simple and beginner friendly
  • Strong grain structure
  • Reliable and easy to work with

Drippy Corn (Corn Syrup Infused Popcorn)

Premium Grain Pressure Hydrated Community Favorite

Drippy Corn is a specialty variation of popcorn grain that includes a small amount of corn syrup during preparation. The grain is hydrated under pressure, allowing some sugars to infuse while leaving a light coating on the surface of the kernels.

  • Hydrated under pressure for even preparation
  • Includes a small amount of corn syrup
  • Creates a light coating on the kernel surface
  • Most of the syrup remains on the exterior
  • Popular among experienced users

Millet

Very Small Grain High Distribution Fast Recovery

Millet is an extremely small grain that allows for very even distribution throughout the bag. It is often chosen for its consistency and efficiency in a variety of setups.

  • Very small grain size
  • Supports even distribution
  • Fast recovery after mixing
  • Excellent consistency across the bag

What Sets Our Grains Apart

Every grain bag is prepared with consistency, hydration balance, and sterility in mind so you receive a dependable product that arrives ready to use.

  • Expertly hydrated for consistent performance
  • Sterilized for a clean, reliable base
  • Secondary vacuum bag for safe shipping
  • Prepared with consistency from batch to batch

Ready for Your Next Grow?

We carry everything you need to keep things moving.

• Sterile Grain Bags • Substrates • Pre-Poured Agar Plates • Unicorn Grow Bags • Lab Supplies • Grow Kits & Refills