Red Milo Mushroom Substrate Grain Jar - 1qt

Red Milo Mushroom Substrate Grain Jar - 1qt

The Red Milo Mushroom Substrate Grain Jar - 1qt is a nutrient-rich and reliable growing medium for mushroom cultivation. This jar contains fully hydrated and sterilized red milo, which offers excellent moisture retention and nutrient content for strong mycelial colonization.

Packaged in a 1-quart jar, 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 red milo substrate jar supports multiple mushroom flushes and healthy growth.

Ideal for both hobbyists and professional growers, this substrate provides a consistent and high-quality environment for a variety of mushroom species.

Click here to learn how to use this product.

Other sizes and formats

• Red Milo Mushroom Substrate Grain Bag 1lb — $7.73
• Red Milo 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

• How to use Red Milo Mushroom Substrate Grain Jar - 1qt
• Preventing mould
• Storing unused spawn
• Which substrate suits which mushroom

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