All-In-One Mushroom Grow Bag vs. Monotub
17TH JULY 2026 • 5 MIN READ
Table of Contents
You are thinking about growing mushrooms, but can't decide if you want to use mushroom grow bags or a monotub. Short answer: If you want little to no work, then take the grow bags. But if you want large amounts and grow mushrooms long term then use a monotub.
Here is what I would recommend as an experienced mycologist: First use a mushroom grow bag to see if you like growing mushrooms. If you do, you can continue with grow bag or switch to a monotub.
What's an All-In-One Bag?
An AIO bag, short for "all-in-one" bag, is a pre-made mushroom grow setup that combines substrate, grain, and everything else you need into one sealed, ready-to-fruit bag. Instead of mixing your own substrate or building a tub setup, you simply inject spores or liquid culture, let it colonize, and it's ready to fruit right out of the bag.
That simplicity is also why it's one of the most common cultivation methods. If you're curious how exactly to grow mushrooms in a bag, check out our full All-In-One Mushroom Grow Bag Instructions guide for step-by-step details.
What's a Monotub?
A monotub, on the other hand, is a large plastic tub that you fill with your own bulk substrate and colonized grain, giving you a much bigger fruiting space than a single bag. Instead of buying a ready-made setup, you build it yourself by mixing grain spawn with substrate like coco coir and vermiculite, then let it colonize before fruiting.
This method is slightly more advanced, but still no rocket science. If you're curious how the monotub process works, check out our full Monotub Grow Guide for step-by-step details.
AIO Bag vs. Monotub Comparison
Now that you know how both methods work, let's see how they compare side by side. We'll go through the key factors one by one, from difficulty and contamination risk to yield, space, cost, and reusability, so you can see what each method is good at and where it comes up short.
Difficulty
AIO bags are about as easy as mushroom growing gets. You just inject your spores or liquid culture, wait for it to colonize, then let it fruit. There's no mixing substrate, no measuring ratios, and no extra steps to mess up.
Monotubs take more work since you have to prepare your own substrate, layer it correctly, and manage moisture and fresh air exchange yourself. It's not overly complicated once you've done it a couple times, but there's definitely more room for error early on.
Contamination Risk
AIO bags come pre-sterilized and sealed, so contamination risk is low right out of the box. Since everything is already prepped and ready to go, there's very little handling involved, which means fewer chances for mold or bacteria to sneak in.
Monotubs carry more risk simply because you're mixing your own substrate and handling more materials by hand. Even with clean technique, there's more exposure at each step, from preparing the substrate to spawning it into the tub, so contamination is more likely if something goes wrong along the way.
Expected Yield
AIO bags give a decent yield, but since the bag is limited in size, you're working with less overall growing space. That said, yield does vary depending on how big the AIO bag actually is, some are small enough for just a small harvest, while larger AIO bags can support multiple large flushes similar to a small monotub.
Monotubs are still built for bigger yields overall since you have way more surface area to work with and can support several flushes. If your main goal is harvesting as much as possible, a monotub will almost always outperform a single AIO bag over time.
Space Requirement
Space requirements for both methods are pretty similar. AIO bags take up a bit less room since they're compact and can even fit in a small closet or shelf. Monotubs need slightly more space because of their size, but for most people that's not really an issue. It only really becomes a factor if you're working with a very tight space, like a small apartment or a single shelf, in which case an AIO bag might be the more practical option.
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When it comes to cost, it depends on whether you're thinking short term or long term. AIO bags are cheaper upfront since everything comes ready to go in one package, making them a great low-cost entry point.
Monotubs cost more initially since you need a tub, substrate, and other supplies to get started. But over time, monotubs become way cheaper per harvest since you can reuse the tub and grow multiple batches from bulk substrate, while AIO bags need to be replaced after each use. If you're only growing once or twice, an AIO bag saves you money, but if you plan to grow regularly, a monotub pays for itself pretty quickly.
Reusability
AIO bags are single use. Once you've harvested your flushes and the substrate is exhausted, the bag gets tossed and you'll need a new one for your next grow. Monotubs, on the other hand, can be reused over and over. You just clean the tub out after each cycle and refill it with fresh substrate, which makes it a much more sustainable option if you're planning to grow mushrooms on a regular basis.
| summary | ||
|---|---|---|
| Category | AIO Bag | Monotub |
| Difficulty | Easy | Medium |
| Contamination Risk | Low | Medium |
| Yield | Medium | High |
| Space Requirement | Small | Medium |
| Cost (Short Term) | Low | Medium |
| Cost (Long Term) | High | Low |
| Reusability | Single Use | Multi Use |
Conclusion
Both methods are solid choices for beginners, but if I had to recommend a starting point, I'd lean toward AIO bags. My advice would be to start with a grow bag first, just to try out mushroom growing and see if it's actually something you enjoy without a big upfront investment or a steep learning curve.
If you end up liking mycology, you've got two solid paths forward: you can keep using AIO bags since they're simple and convenient, or you can level up to a monotub if you want bigger yields and don't mind the extra work that comes with it. Either way, you can't really go wrong, it just depends on how deep you want to get into the hobby.
Ready to get started? Check out our All-In-One Mushroom Grow Bag Instructions, or if you're leaning toward bigger yields, take a look at our Monotub Grow Guide.
Frequently Asked Questions
Which Mushrooms Can Be Grown? ▼
Both AIO bags and monotubs work for most common mushroom species. This includes P. cubensis like Golden Teacher, B+, Penis Envy and other mushroom varieties. The method you pick mostly comes down to convenience and yield goals, not which species you decide to grow first.
Do I Need Prior Experience To Grow Mushrooms In A Bag?▼
No, you don't need any prior experience to grow mushrooms in a bag. AIO bags come pre-sterilized and ready to go, so you just inject spores or liquid culture and wait. There's no mixing substrate or measuring ratios, which makes it one of the easiest ways for total beginners to start growing
Can I Switch From An Aio Bag To A Monotub Later?▼
Yes, switching from an AIO bag to a monotub later is easy and common. Many growers start with a bag to see if they enjoy the hobby, then move on to a monotub for bigger yields and more flushes once they feel ready for something a bit more advanced.
Which Method Is Better For Beginners?▼
AIO bags are usually the better starting point for beginners. They require less equipment, less prep, and less chance for mistakes, which makes them a great way to try mushroom growing before deciding if you want to move on to a monotub once you've got the basics down.
What Happens If My Aio Bag Gets Contaminated?▼
If your AIO bag gets contaminated, it's best to toss it and start over. Contamination can spread quickly and affect your yield or make the mushrooms unsafe to eat, so it's not worth trying to salvage a bag once mold or unusual colors appear. Better safe than sorry.