Rye Berry Mushroom Substrate Grain Bag - 5lb mushroom jar the 5lb pasteurized straw substrate

the 5lb pasteurized straw substrate provides a reliable and efficient medium for successful mushroom cultivation

5 to 2 quarts of fully colonized spawn per 5lb bag to begin the inoculation process and enjoy consistent yields with multiple flushes

How to use Popcorn Mushroom Substrate Jars 12-Pack

Packaged in a durable mushroom grow bag with a 5-micron filter patch for optimal gas exchange

this bulk substrate pack simplifies the cultivation process

Rye Berry Mushroom Substrate Grain Bag - 5lb mushroom jar the 5lb pasteurized straw substrateRye Grain Bag 5lb The Rye Grain Bag 5lb is a premium mushroom substrate designed for serious mushroom cultivators. This 5 pound bag of fully hydrated and sterilized rye grains offers an ideal environment for healthy mycelial growth, making it perfect for both beginner and experienced growers. Rye grains are highly valued in mushroom cultivation for their excellent moisture retention and rich nutrient profile, promoting rapid and robust mycelial