All-In-One Mushroom Grow Bag (5 lb) – High Yield & Beginner Friendly
Our All-In-One Mushroom Grow Bag is a complete, self-contained solution for growing mushrooms at home—no tubs, no transfers, no extra equipment. Each 5 lb bag combines sterilized Milo grain and CVG substrate in one sealed unit, allowing colonization and fruiting to happen entirely inside the bag.
Simply inoculate with your spore syringe or liquid culture, and let the mycelium do the rest.
Why Choose Our All-In-One Mushroom Grow Bag?
Designed for reliability
Every all-in-one mushroom grow bag is sterilized in a commercial autoclave and sealed under HEPA filtration, providing a clean, contamination-resistant starting point.
Complete growing environment
Grain and substrate are perfectly pre-measured and hydrated to support fast colonization, healthy fruiting, and multiple flushes.
Beginner-friendly & equipment-free
With a self-healing injection port and 0.2-micron filter patch, you can inoculate and grow directly in the bag—no monotubs, drills, or complex setups required.
What’s Inside the 5 lb Grow Bag?
- 3 lb Milo grain – fast, consistent colonization
- 2 lb CVG substrate (coco coir, vermiculite, gypsum) – proven for strong flushes
- Unicorn grow bag with 0.2-micron filter patch – clean gas exchange
- Self-healing injection port – simple, sterile inoculation
- Mini LC vial (nutrient solution only) – helps jumpstart spore germination
(No spores or genetics included)
About the Mini LC Vial (Included with 5 lb Bags Only)
Each 5 lb all-in-one mushroom grow bag includes a Mini Liquid Culture (LC) vial.
This vial contains nutrient solution only—no spores or genetics.
It allows your spores to germinate and multiply into a stronger liquid culture before inoculation, helping speed up colonization and reduce contamination risk.
Reminder: Spores or starter genetics are not included.
Sterile Manufacturing Process
Every all-in-one mushroom grow bag is produced using a strict, proven process:
- 24-hour grain soak with gypsum
- Controlled simmering and drying for ideal moisture balance
- Sterilization at 17 PSI for 90 minutes
- Sealing under a HEPA flow hood
This ensures consistent, contamination-resistant mushroom grow bags you can trust.
How to Use an All-In-One Mushroom Grow Bag
1. Inoculate
Wipe the injection port with alcohol. Inject 2–3 cc of spore solution or liquid culture.
2. Colonize
Store at 65–72°F.
- Spores: ~3–4 weeks
- Liquid culture: ~2–3 weeks
Mycelium will spread through the grain.
3. Break & Mix
Once the grain is fully white, gently break and shake to mix grain into the substrate.
4. Fruiting
After full recolonization (2–3 weeks), stand or hang the bag with indirect light and airflow through the filter patch. Fruiting will begin naturally.
5. Harvest
Harvest when caps are formed and veils begin to tear. Twist and pull gently or cut with a clean blade.
Most all-in-one mushroom grow bags produce 2–3 flushes, averaging ~3 oz dried with proper care.
Storage Instructions
Before Use
- Room temperature (65–72°F): up to 4 weeks
- Refrigerated (40–45°F): up to 6 weeks
- Do not freeze
After Inoculation
Store at room temperature in a clean area with indirect light. Do not refrigerate.
After Full Colonization
If needed, a fully colonized bag can sit at room temperature for up to 1 week before fruiting.
Frequently Asked Questions
Can I grow directly in the bag?
Yes. This all-in-one mushroom grow bag is designed for colonization and fruiting in the same bag.
Do spores come with the bag?
No. You’ll need your own spore syringe or liquid culture.
How much does a 5 lb grow bag yield?
Average yield is ~3 oz dried, depending on genetics, cleanliness, and growing conditions.
Can I put the bag in a monotub?
You can place the entire colonized block in a monotub for better airflow, but do not break it apart.
How do I get a second flush?
Rehydrate by misting or dunking briefly, then return to fruiting conditions.
How long do spores take in an all-in-one mushroom grow bag?
Spores: 3–4 weeks
Liquid culture: 2–3 weeks
What’s the shelf life?
Up to 4 weeks at room temperature, or 6 weeks refrigerated.
Ready to grow with confidence?
Our All-In-One Mushroom Grow Bag makes mushroom cultivation simple, clean, and reliable—perfect for beginners and experienced growers alike.



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