About This Optimized CVG Blend with Cultivation Enhancer: Our 70/20/10 mix of coco coir, vermiculite, and gypsum is fortified with the Mycelium Plus proprietary blend to boost colonization speed, moisture balance, and fruiting power. Ready to Use: Autoclave-cleaned and pre-hydrated to optimal field capacity. Just mix with colonized grain spawn and grow—no prep or pasteurization required. Perfect for Monotubs & Grow Bags: This 6LB mushroom substrate bag is ideal for personal or mid-size grows. Maintains moisture and structure for consistent flushes, easy fruiting, and low-maintenance cultivation. Compatible with Your Favorite Genetics: Works with a wide variety of gourmet dung-loving mushroom strains (genetics not included)—including Pioppino, Button, Crimini, Portobello, and Wine Cap—giving you the flexibility to grow what you love. 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 : Mycelium Plus CVG Substrate Blend - 6LBS Item Weight : 6 Pounds UPC : 840426507963