13 LB Monotub Refill Kit | Includes: 5 LB Sterilized Milo Sorghum Grain Spawn & 8 LB Premium CVG Bulk Substrate | Nutrient-Enhanced, Just Add Your Own Spores & Grow Like Magic

Complete Monotub Refill Kit: Includes sterilized Milo Sorghum grain spawn (3 LB) & premium CVG bulk substrate (5 LB). Just add your own spores and keep your mycology journey going. Fast Colonization & High Yields: Nutrient-enhanced grain and substrate provide optimal moisture, aeration, and minerals for faster mycelium growth and multiple flushes. Professionally Sterilized & Contamination-Free: Grain spawn is double-washed in RO water, enriched with gypsum, and vacuum-sealed to ensure a clean, contamination-free growing environment. Compatible & Easy to Use: Works with most small monotub grow kits for a seamless refill. Simply inoculate, mix, and maintain humidity - no extra prep required. Just Keep Growing: Perfect for hobbyists and experienced growers looking to replenish materials without buying a full kit. Grow like magic, batch after batch!