Grain Spawn

If you're short on space but still want to cultivate your favorite mushrooms, our All-in-One Mushroom Grow Bags are the perfect solution! With our innovative bags, you can experience the satisfaction of growing your own mushrooms without the need for tubs or greenhouses. Using our bags is simple: inject 5cc of your spores or liquid culture, wait 15-25 days for colonization, then break up the colonized grain and shake the bag. Once the bag re-colonizes, your mushrooms will start growing...

Grow Big, Grow Smart Designed for both new and experienced cultivators, this XL All-in-One Bag gives you commercial-level results in a home-friendly format. Each unit combines our proven 5-grain blend (rye, millet, sorghum, corn, and wheat) with Select Bulk Substrate made from manure, coco coir, and gypsum—providing a balanced environment for rapid mycelium colonization and powerful flushes. Every batch is sterilized, sealed, and shipped fresh daily to ensure maximum viability when it reaches...

  Upgrade Your Mushroom Growing Experience with the All-in-One Monotub Starter Kit!   Why settle for just an All-in-One grow bag when you can elevate your results to the next level? Introducing the All-in-One Monotub Starter Kit—a game-changer for mushroom cultivation that combines the simplicity of an All-in-One grow bag with the impressive yield of a Monotub. Grow up to 300% more mushrooms, all within a compact 1 cubic foot space! This kit features: 4lb All-in-One Grow Bag: The...

(ON SALE!)  Save time with our pre-sterilized grain bags! Our carefully chosen organic rye is soaked for 16 hours in an alkaline mineral water and then slowly simmered to maximize the water content. After simmering the grain is fortified with gypsum and allowed to dry and then bagged and sterilized for 180 mins in our autoclave at 20 PSI. This higher autoclave temp ensures all endospores left in the rye grain are destroyed. Our bags are guaranteed to arrive fresh and sterile. Order More...

50-Pack Medium (Holds 3-4 pounds of hydrated grain) This side-gusseted medium sized, breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. We manufacture it with equipment we designed and with proprietary additives, Unicorn Bags are pliable at any temperature as well as after sterilization. The bag opening is designed for easy sealing and the bag’s bottom seal can withstand agitation. Type: Gussetted Material: 3.0 Mil Polypropylene Bag Size: 5″ X 4 X 18″ Filter...

The perfect bag for anyone fruiting directly in the bag! Try these and you will be amazed! These bags are crafted for durability, our extra-large gusseted bags (23.5” x 10" x 5.5") are made from high-quality 3 mil PP material, meticulously engineered to minimize micro-tears. This robust construction significantly diminishes the risk of contamination, providing you with a safer and more reliable growing environment. Experience the difference with Blue Myco's Double Patch Fruiting Bags: see your...

(Now available) Myco Labs is excited to introduce our premium 3LB Colonized Grain Spawn, a top-choice product for both professional mushroom cultivation and passionate mycologists. Our grain spawn stands out due to its exceptional quality, originating from first-generation genetics across a variety of gourmet mushroom strains. This guarantees not only vigorous growth but also abundant yields. Our grain spawn is a thriving bed of mushroom mycelium. It's the preferred choice for inoculating...