How to Make a Spawn Bag | Grain Spawn Experiment - YouTube
Rye Berry Mushroom Substrate Bags with Injection Port 2 lb – Shroomability
Premium Grain Bag For Mushroom Spawn (Spawn Bomb) – Curative Mushrooms Shop
Beyond Rye - Premium Rye Berry Grain Spawn Bag
Mushroom Grow and Spawn Bag w/ injection site – 2lb Sterilized Rye – Everything Mushrooms
Amazon.com : Gymgit 15-Pack Mushroom Grow Bags, Heavy Duty 6 Mil Polypropylene Mushroom Substrate Bags, Large Size 8" X 5" X 20" for Mushroom Cultivation, Spawn Bags, and Sawdust Fruiting Blocks :
Mushroom Spawn Bags (Made-to-Order) – Far West Fungi
4 QTY All in One 5 Pound Spawn Bag, Rye & Compost Mushroom Grow Kit – MycoHaus
Sterilized Grain Spawn Bags 5lb x 4 with 0.2 micron filter 20 lbs | Earth's Tongue
3 lb Sterilized Corn Grain Mushroom Spawn Bags with Injection Port – CULTUREShrooms