1LB Rivalry Grain : Compact Rye Grain Bag with Injection Port

Embark on your mushroom cultivation journey with our 1lb bag of sterilized organic rye grain/berry substrate, perfectly primed for spawning your preferred species. Ready for immediate use, simply inject with spores and watch your cultivation efforts come to fruition. To ensure the best possible outcomes, do not open the bag until you’re ready to initiate fruiting or transfer to a bulk substrate like horse manure, which excellently supports spore germination.

Each bag is paired with an alcohol swab to guarantee a sterile beginning. Courtesy of Trippingstore, this product represents our dedication to offering high-quality supplies that streamline and enhance the cultivation experience for enthusiasts of all levels. Dive into the world of mushroom cultivation with ease and confidence, supported by the premier choice in substrate.