Bulk Substrate Coco Fire Mix

  🌱 Premium Sterilized Mushroom Grow Blocks (8–9 lb Each) Our Bestselling Substrate Blocks — Trusted by Growers Nationwide Whether you’re running a full grow room or starting your mushroom journey, these blocks are designed for high yields, strong resistance, and beautiful flushes.       🧪 What Makes It Special: We craft each block using our proprietary blend of coco coir, sawdust, soybean hulls, nutrients — and a little love. Every block is: 8–9 lbs of fully sterilized substrate Sealed and steam sterilized under high pressure Equipped with a high-quality filter patch for airflow and contamination resistance           🍄 How to Use: Simply inoculate with your own grain spawn or liquid culture, and place in your preferred fruiting environment (humidity tent, monotub, or grow room). With proper conditions, each block can yield 3+ lbs of mushrooms across multiple flushes.       📦 Shipping & Scheduling: We ship based on our sterilizer schedule to ensure optimal freshness. If you’re o