Multi Grain Mushroom Substrate Bag - 3lb

Multi 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 filter patch for optimal gas exchange. Ready for immediate use, this mushroom substrate ensures consistent, reliable results for multiple mushroom flushes.

Ideal for both small-scale and large-scale growers, this 3lb multi grain mushroom substrate offers everything you need for healthy and abundant mushroom growth.

Click here to learn how to use this product.

Other sizes and formats

• Multi Grain Mushroom Substrate Bag - 1lb — $7.73
• Multi Grain Mushroom Substrate Jar 1qt — $11.28
• Multi Grain Mushroom Substrate Jars 12-Pack — $119.74

See all grain bags

What you'll need with it

• Spawn it into a bulk substrate — manure, pasteurized straw or hardwood
• Growing button or portobello? You also need casing soil

Guides

• Simple substrate recipes
• Preventing mould
• Which substrate suits which mushroom

Work out how much you need · Free shipping over $150.