
Extra Large Monotub Refill Kit
Extra Large Monotub Refill Kit – Big Yields, No Extra Bulk This Extra Large Monotub Refill Kit is designed for growers who already have their gear and just need top-tier grain and substrate. It includes a 5 lb sterile Milo grain bag and a 10 lb CVG substrate block, both professionally prepared and vacuum-sealed. Use in a monotub—or skip the tub and fruit directly in the bag! What’s Included: 5 lb Sterile Milo Grain Bag – Hydrated, sterilized, and sealed with a self-healing injection port and filter patch 10 lb CVG Substrate Block – Pasteurized blend of coco coir, vermiculite, and gypsum, hydrated to field capacity Why You'll Love It: Massive grow potential with no wasted packaging Great for large monotubs or in-bag fruiting Clean, vacuum-sealed, and ready for your next grow Quick Start Guide Step Instructions 1. Inoculate the Grain Clean injection port with 70% isopropyl alcohol. Inject 5–10 mL of liquid culture or spore solution. Shake gently to distribute. 2. Incubate