Uncle Myc's Rye Berry Grain Sterilized Mushroom Spawn Bag - 2 lb - Filter Patch - Self-Healing Injection Port

Ready-to-Inoculate Rye Grain Spawn Bag - 2 lb

Preparing and sterilizing grain yourself takes time and equipment, and mistakes lead to contamination. This bag arrives sterilized, with a filter patch for gas exchange and a self-healing injection port, so you can move straight to inoculation.

At 2 lb, this single bag suits growers trialing a culture, working in small batches, or testing a new setup before scaling up. Larger operations can order multiple bags.

Key Features & Benefits

• Rye berry grain substrate — a grain medium used as spawn for mushroom cultures.
• Sterilized bag — arrives prepared, so you skip grain prep.
• Self-healing injection port — lets you inoculate through the bag without opening it.
• Filter patch included — allows gas exchange while helping keep contaminants out.

Who Should Use Uncle Myc's Rye Berry Grain Spawn Bag

Hobbyists and small-scale cultivators who want a ready-made grain spawn without sterilizing their own, and growers who need a convenient bag for expanding cultures.

About Uncle Myc's Rye Berry Grain Spawn Bag

Uncle Myc's sells this rye berry grain spawn bag in a 2 lb size with a filter patch and self-healing injection port. It ships at 2.2 lb and is sold individually.

Frequently Asked Questions

Q: What is spawn?
A: Spawn is a grain or similar medium colonized by a culture, used to inoculate a larger substrate. Here, rye berries serve as the medium.

Q: What does the filter patch do?
A: It allows gas exchange between the bag and its surroundings. It also helps keep contaminants out.

Q: What is a self-healing injection port?
A: It is a point on the bag you can pierce to inoculate. It reseals so you do not need to open the bag.

Q: Is the bag ready to use?
A: Yes, it is sterilized and ready for inoculation. Handle it with clean technique to keep it that way.

Q: How many bags come in an order?
A: The listing is for one bag, sold each.