About This Complete In-Bag Grow System with Rye Berries: This 6LB all-in-one mushroom grow bag combines CVG substrate with nutrient-rich rye berries in a fully cleaned format. Includes a self-healing injection port and 0.2-micron filter patch for clean, easy cultivation. Fruits Right in the Bag – No Tub Required: Designed for direct in-bag fruiting, this kit is ideal for growers seeking convenience and consistent results. Just inject liquid culture and harvest mushrooms in as little as 2–3 weeks. Cleaned & Inoculation-Ready: Each bag is autoclave-cleaned and sealed in an ISO-7 cleanroom to prevent contamination. Pre-hydrated and ready for 10–20 mL of your favorite liquid culture (not included). Rye Berries for Strong, Steady Colonization: Rye berries offer excellent moisture retention and nutrient density, supporting fast, even colonization—ideal for dung-loving mushroom species. Formulated by Experts in California: Handcrafted in small batches by trained mycologists using organic ingredients. Proudly made in the USA with no fillers—just high-performance substrate you can rely on. Overview Brand : Mycelium Style : Modern Item Weight : 6 Pounds UPC : 840426505099