One Pound Sterilized Rye Grain with Injection Port Bag – MycoHaus
Amazon.com : Sterilized Grain Bag with Injection Port | Fast Colonization, Robust Mycelium Growth | Grow Your Own Edible Mushroom at Home | 3(lbs) : Patio, Lawn & Garden
Sterilized Grain Spawn - 3 lbs bags - Spawn Magic
1LB Sterilized Grain Spawn Bag | Easy Shroom
Mushroom Grow and Spawn Bag w/ injection site – 2lb Sterilized Rye – Everything Mushrooms