Collection: MUSHROOM GRAIN SPAWN BAGS

We offer Organic Rye Spawn Bags, Wheat Berry Spawn Bags & Millet Spawn Bags.  All bags have a self-healing injection port and .22 micron gas exchange filter. All bags are sterile and ready to inject when you receive them. We also offer sterile Bulk Casing Mix made from Coco Coir, Vermiculite and other ingredients.