Small Monotub Refill Kit – Sterile Grain Spawn & CVG Substrate

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Small Monotub Refill Kit – Compact & Clean Growing 3 lb Sterile Milo + 3 lb CVG — Vacuum-Sealed & Ready to Run Restock Fast. Keep It Clean. The Small Monotub Refill Kit is perfect for topping off your setup with the essentials: a 3 lb sterile Milo grain bag and a 3 lb CVG substrate block. Both arrive vacuum-sealed and ready to use. Choose your workflow — fruit in a monotub or go directly in-bag for a simplified run. What's Included 3 lb Sterile Milo Grain Bag – Hydrated, sterilized, sealed with self-healing injection port and filter patch 3 lb CVG Substrate Block – Pasteurized coir/vermiculite/gypsum blend, hydrated to field capacity Why You'll Love It Easy to restock — no extra tub or liners required Flexible fruiting options: monotub or in-bag Pro-quality prep with clean, vacuum-sealed packaging Quick Start Guide Step Instructions 1. Inoculate the Grain Clean injection port with 70% isopropyl alcohol. Inject 4–10 mL of liquid culture or spore syringe. Gently shake to distribute. 2. Incubate the Grain Store at 70–75°F in a clean, dark space. Once 30–70% colonized, gently mix to speed up growth (optional). Allow 10–18 days for full colonization. 3. Mix with Substrate Combine colonized grain with the 3 lb CVG substrate. Mix inside your monotub or directly in the bag for fruiting. Gently flatten the surface. 4. Incubate Store the tub or bag at 70–75°F in indirect light. Allow 5–10 days for full substrate colonization. 5. Initiate Fruiting Introduce light and fresh air. Crack the lid (for tubs) or cut small slits in the bag and cover with micropore tape for airflow if needed. 6. Mist & Monitor Mist tub walls or bag interior as needed. Keep the surface moist and watch for pins in 5–7 days. Storage & Shelf Life Store sealed between 45–70°F until ready Best used within 15–30 days of receipt Do not freeze; refrigerate fully colonized bags only if necessary ✅ For legal gourmet/culinary/medicinal mushroom cultivation only. This kit is intended exclusively for growing edible gourmet, culinary, and medicinal mushroom species. Not intended for any illegal use. Show more