Rye Berry Mushroom Substrate Grain Bags 25lbs

Rye Berry Mushroom Substrate Grain Bags 25lbs

The Rye Berry Mushroom Substrate Grain Bags 25lbs offers a premium bulk solution for mushroom cultivators who need a nutrient-rich and reliable growing medium. This package includes 5 x 5lb bags of fully hydrated and sterilized rye berries, known for their excellent moisture retention and nutrient profile, supporting vigorous mycelial colonization and multiple mushroom flushes.

Each bag is packaged in a durable mushroom grow bag, featuring a self-healing injection port for contamination-free inoculation and a 5-micron filter patch for optimal gas exchange. Perfect for large-scale projects or expanding cultivation efforts, this bulk rye berry substrate ensures consistent, high-quality results.

Ideal for both commercial growers and hobbyists, this 25lb rye berry substrate provides a reliable foundation for successful mushroom cultivation.

Click here to learn how to use this product.

Other sizes and formats

• Rye Berry Mushroom Substrate Grain Bag - 1lb — $7.73
• Rye Berry Mushroom Substrate Grain Jar - 1qt — $11.28
• Rye Berry Mushroom Substrate Grain Bag - 3lb — $19.52
• Rye Berry Mushroom Substrate Grain Bag - 5lb — $25.70
• Rye Berry Mushroom Substrate Jars 12-Pack — $119.74
• Rye Berry Mushroom Substrate Grain Bags 25-Pack — $151.93

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 Rye Berry Mushroom Substrate Grain Bags 25lbs
• Rye berry grain spawn recipe
• Spotting contamination early
• Which substrate suits which mushroom

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