Maximize Yield with FunGuy's Mushroom Growing Guide & Mushroom Grow Bags (2024)

Growing mushrooms indoors requires several essential items, such as a monotub or grow tent, substrate, mushroom grow bags containing spawn, and a grow light.

To begin, sterilize or pasteurize the substrate and inoculate it with mushroom spawn or spore syringe. Once colonization is complete, transfer the substrate to a fruiting chamber and provide the required humidity, temperature, and light conditions. A grow light can simulate natural daylight and encourage fruiting. A clean and contamination-free growing area is crucial for healthy mushroom growth.

At Funguy Grow Supply, we offer a variety of mushroom growing equipment and supplies to help you get started on your indoor mushroom cultivation journey. Explore our selection today!

Mushrooms eat nutrient rich substrate, which is a bulk organic material that provides the necessary nutrition and energy for mycelium to grow and eventually become mushroom fruiting bodies.

Common substrate options for growing mushrooms include straw or hay, hardwood sawdust, coconut coir, peat moss, and other organic materials such as coffee grounds, worm castings, horse manure, chicken manure, and cow manure.

To prepare the substrate for mushrooms properly, they need to be hydrated and supplemented with additional nutrients such as gypsum, sulfur, nitrogen, or calcium. Subsequently, they are sterilized or pasteurized before being inoculated with colonized substrate, grain spawn, liquid culture, agar plate, agar slant, or spore syringe.

The mushroom mycelium grows and decomposes the organic material in a process known as colonization. Once the fully colonized substrate has hyphal knots visually appearing on the surface, the mushroom mycelium will begin pinning on top of the fully colonized bulk substrate, leading to the development of mushroom caps, gills, and eventually mushroom fruiting bodies.

To improve mushroom growth and the yield of mushroom substrate, several additives are recommended such as gypsum, nitrogen, calcium, agricultural lime, coffee grounds, peat moss, straw or hay, coconut coir, and worm castings. However, it is crucial to use these mushroom substrate additives in the correct amounts to prevent damage to the mycelium.

Gypsum, an excellent source of sulfur and calcium, is an ideal additive and should be used at a volume of 5-10%. Chicken manure is rich in nitrogen but can cause damage to the mycelium and should not exceed 5% volume. Coffee grounds and worm castings can be added in higher volumes of around 10-15% and 10%, respectively.

For further insight, we recommend reading this informative thread on the Shroomery forum about mushroom substrate additives and mushroom supplement additives.

It is possible to grow mushrooms in coffee grounds, which are a common ingredient in many mushroom substrate recipes. Coffee grounds are an excellent substrate for mushroom growth since mycelium thrives on them. Because coffee grounds are rich in nutrients and contain high levels of nitrogen, this leads to the development of robust hyphal knots, followed by strong pinset and fruiting mushroom caps forming a massive canopy.

To use coffee grounds as a substrate for growing mushrooms, it is necessary to sterilize or pasteurize them before adding grain spawn. The recommended spawn to substrate ratio is approximately 1:5. Proper humidity and temperature levels must be maintained when growing mushrooms in coffee grounds.

It is also essential to ensure that the bulk substrate is adequately colonized, and hyphal knots are visible before fruiting. Using a fruiting chamber and growing shrooms monotub style can significantly improve the yield and quality of the mushrooms.

One popular recipe for a mushroom monotub substrate using coco coir is the Casing Layer Recipe. This recipe involves mixing 650g of coco coir, 10 liters of vermiculite, 5 liters of pasteurized straw, 5 liters of pasteurized horse manure, and 2 tablespoons of hydrated lime thoroughly. Add water as necessary to achieve the desired texture, and then fill the monotub with the substrate.

Finally, inoculate the substrate with mushroom spawn, and allow it to colonize before transferring it to a fruiting chamber.

The Shroomery is a valuable resource for growers worldwide, providing a platform for sharing experiences, troubleshooting problems, and connecting with other growers from around the world. Whether you're a beginner or an experienced cultivator, you'll find a wealth of information, resources, and support on the site. From forums and tutorials to cultivation guides and a shroom calculator, the Shroomery offers everything you need to grow mushrooms and other fungi successfully.

How to Use the Shroom Calculator?

The Shroom Calculator is a useful tool for calculating optimal dosages of dried mushrooms based on factors such as mushroom type, body weight, tolerance, and desired effects. The Shroom Calculator functions as a mushroom dose calculator and can help prevent over consumption and ensure a safe and enjoyable experience. Keep in mind that individual sensitivity can vary.

In addition, the Shroomery community provides a platform for sharing experiences, troubleshooting problems, and connecting with other growers from around the world. It's a valuable resource for anyone interested in mushroom cultivation.

Creating a monotub fruiting chamber requires a rubbermaid container or a grow tent, an inexpensive submersible water heater, a temperature and humidity controller, a fan, and a spray bottle or mister.

Start by drilling several holes 2 inches apart throughout the container's sides and bottom for proper air circulation and drainage. Next, fill the container with your substrate mixture and inoculate it with mushroom spawn, spores, or live mycelium. Place an aquatic submersible water heater in a container filled with water and set it to maintain the desired temperature range. Use a temperature and humidity controller to keep the environment consistent and a fan on low to circulate air and maintain proper FAE. Finally, mist the substrate with a spray bottle to maintain optimal humidity levels.

Humidity and Temperature Control for Monotub Fruiting Chambers

Please note that while high range optimal growing temperatures will increase yields, they also increase the chances for bacteria growth and contamination. Growing at a lower optimal temperature may produce similar yield sizes, with a 90-95% probability of low to no contamination.

A monotub fruiting chamber is a controlled environment for the fruiting phase of mushroom growth. To create one, begin by drilling several holes two inches apart throughout the container's sides and bottom for proper air circulation and drainage. Next, fill the container with your substrate mixture and inoculate it with mushroom spawn, live mycelium, liquid culture jars or spores.

Humidity and Temperature Control for Monotub Fruiting Chambers

After inoculating your substrate, place an aquatic submersible water heater in a container filled with water and set it to maintain the desired temperature range. Use a temperature and humidity controller to keep the environment consistent, and a fan on low to circulate air and maintain proper fresh air exchange (FAE). Finally, mist the substrate with a spray bottle to maintain optimal humidity levels.

Please note that while higher optimal growing temperatures may increase yields, they also increase the chances of bacteria growth and contamination. Growing at a lower optimal temperature may produce similar yield sizes, with a 90-95% probability of low to no contamination.

If you're looking to grow mushrooms, one popular recipe for a mushroom monotub substrate using coco coir is the Casing Layer Recipe. To create the mixture, combine 650g of coco coir, 10 liters of vermiculite, 5 liters of pasteurized straw, 5 liters of pasteurized horse manure, and 2 tablespoons of hydrated lime thoroughly. Add water as necessary to achieve the desired texture, and then fill the monotub with the substrate.

After filling the monotub with the substrate, it's time to inoculate it with mushroom spawn. Allow the substrate to colonize before transferring it to a fruiting chamber to grow your mushrooms.

Maximize Yield with FunGuy's Mushroom Growing Guide & Mushroom Grow Bags (2024)

FAQs

Do mushroom grow bags work? ›

Some mushroom cultivators like to use mushroom grow bags because this method of growing offers several benefits, including: Mushroom grow bags are generally pretty easy to keep sterile, especially if they're equipped with a filter patch (more on this in a moment) Mushroom grow bags can help growers to conserve space.

How do you maximize mushroom yield? ›

If you want to grow more mushrooms simply give yourself more of the three “S's”: spores, substrate, and space. Having more substrate rich with inoculated mycelium will increase organic mass and potentially increase your mushroom production. Keep in mind that you'll need more surface area to accommodate it all.

How do I get the most out of my mushroom grow kit? ›

Give your block some fresh air

Leaving the plastic on your kit helps to keep moisture in, preventing the block from drying out. Feel free to spray it periodically when it's looking parched as you would inside. After a couple of weeks, you should expect mushrooms after heavy rainfall or after a big temperature shift.

Where is the best place to put a mushroom grow bag? ›

All you need to do is keep your bag in a warm place inside your house. Between 20 to 24 C is an ideal temperature range. Luckily for most people, that's also around the ambient temperature inside your home.

What are the disadvantages of grow bags? ›

What are the Disadvantages of Using Grow Bags? They can dry out quickly, especially in hot weather, requiring more frequent watering. They may not be suitable for plants that require deep soil. Growbags can be easily punctured or torn, which can cause soil to spill out.

When should I mix my mushroom grow bag? ›

After about 4-8 weeks, you should start to see mycelium growing on the substrate. You'll notice the white mycelium growing outward from the point of injection. When the mycelium has grown three to four inches, without opening the bag, carefully break up the colonized substrate and mix it into the uncolonized substrate.

What speeds up mushroom growth? ›

Gypsum is a mineral that helps speed up the mushroom growing process in small amounts.

Does water stimulate mushroom growth? ›

Mycelium requires water to make a fruit body (mushroom), and mushrooms require humidity to release their spores. Growing a water intense crop in the desert requires us to be mindful of how, when, and why we grow mushrooms.

What helps mycelium grow faster? ›

Temperature: The optimal temperature for mycelium growth is usually between 24-27°C. 2. Humidity: High humidity levels (around 95-100%) are ideal for mycelium growth.

Where is the best place to put a mushroom kit? ›

We recommend placing your grow kit on your kitchen bench, out of direct sunlight. This will allow you to check on them daily and serve as a reminder to spray your grow kit regularly to keep humidity high.

How do you stimulate mushroom growth? ›

To initiate fruiting, lowering temperatures and increasing oxygen levels generally encourages mushroom formation. Initiation can be in the form of cold shocking, water shocking or introducing more oxygen by cutting a hole in the bag. them with water as if in a strong rainstorm.

Are mushroom growing kits worth it? ›

Should You Try a Kit? If you have any interest in growing mushrooms at all, and you aren't ready to do it from scratch, then most definitely yes- you should try a kit! It will give you an idea of how mushrooms grow, and what requirements they need in order to fruit properly.

Should I shake my mushroom grow bag? ›

You can shake up your mushroom spawn bag when the mycelium has colonized about 40–50 percent of the spawn grain. As mentioned previously, this gives access to non-colonized patches of mycelium. You'll be surprised by how much this simple 30-second action can help your yield.

Do you water mushroom grow bags? ›

You don't need to water mushrooms like a plant.

The spray bottle is for creating humidity. Humidity is a key factor for successful mushroom growth. Spray the area around your kit with a few pumps of water whenever you have a chance, at least 2-3 times a day.

Do mushroom bags need air? ›

The filter allows for the mushroom cultures inside the bag to receive fresh air without passing contaminants like mold spores and bacteria. Without fresh air, the mushroom culture would eventually stop growing, but if the bag were just left open after sterilization, contaminates would quickly take over.

How effective are grow bags? ›

The end result is that the soil in grow bags warms up much more quickly than the soil in the ground. That turns around and has beneficial effects on the health of your plants. In contrast, pots tend to get very hot during the warmest months of the year. That can impair the growth of your plants.

Is bagged mushroom compost any good? ›

Mushroom compost should be used with caution due to its high soluble salt levels and alkalinity. These salt levels can kill germinating seeds, harm young seedlings, and cause damage to salt-sensitive plants, like azaleas and rhododendrons. To temper the alkaline levels of mushroom compost, consider using aglime.

Do mushroom co2 bags work? ›

Nearly all plants growing in an enclosed environment will benefit from the extra CO² exhaled from mushroom CO² bags. It is standard practice for commercial greenhouse and hydroponic growers to supplement their grow rooms with CO². Mushroom bags are the most natural way to generate CO².

Do mushroom grow kits work? ›

If you can find a high quality kit, then yes- absolutely. There are loads of different branded mushroom kits available, and lots of different species of mushrooms you can grow… so it's worth it to do a little bit of research before diving in.

References

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