Multi Grain Mushroom Substrate Bag - 3lb mushroom grains Perfect for large-scale projects or

Perfect for large-scale projects or expanding cultivation efforts

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

Grain spawn — rye or multi-grain

The Multi Grain Mushroom Substrate Jar - 1qt offers a nutrient-rich growing medium for mushroom cultivators of all experience levels

Multi Grain Mushroom Substrate Bag - 3lb mushroom grains Perfect for large-scale projects orMulti Grain Mushroom Substrate Bag 3lb The 3lb Multi Grain Mushroom Substrate Bag is designed to provide a rich and diverse growing medium for mushroom cultivation. This blend of popcorn, red milo, and rye berries is fully hydrated and sterilized, creating a contamination free environment for vigorous mycelial growth. Packaged in a durable mushroom grow bag, it features a self healing injection port for contamination free inoculation and a 5 micron