Skip to product information
1 of 6

Mushroom Substrate

Pasteurized Straw Mushroom Substrate Bag - 5lb

Pasteurized Straw Mushroom Substrate Bag - 5lb

  • 5lb of fully hydrated and pasteurized straw mushroom substrate
  • Ready to use, ideal for various mushroom species
  • 5-micron filter patch for optimal gas exchange and contamination prevention
  • Supports multiple mushroom flushes and healthy mycelial growth
Regular price $19.95
Regular price Sale price $19.95
Sale Sold out
Shipping calculated at checkout.

Pasteurized Straw Mushroom Substrate Bag - 5lb

The Pasteurized Straw Mushroom Substrate Bag - 5lb is an essential substrate for cultivating a variety of mushroom species. This fully hydrated and pasteurized straw substrate offers a natural and effective growing medium that promotes vigorous mycelial growth and multiple mushroom flushes.

Packaged in a large mushroom grow bag, it features a 5-micron filter patch to allow optimal gas exchange while preventing contamination. Ready to use, this mushroom substrate simplifies the cultivation process—simply add 2 to 3 quarts of fully colonized spawn to begin inoculation.

Ideal for both beginner and experienced growers, the 5lb pasteurized straw substrate provides a reliable and efficient medium for successful mushroom cultivation.

Click here to learn how to use this product.

View full details