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Magic Mushroom Grow Kit B+ by Mondo®

Grow your own B+ magic mushrooms with the Mondo® Mycelium kit. Without a doubt the Bee plus is one of the largest of all cubensis mushrooms in our collection.

Perhaps the B+ Magic Mushroom grow kit is even the most resilient. Stories are not uncommon of people disposing the substrate in the garden after it has been exhausted only to find B+ magic mushrooms growing at the same spot the year after.

The B+ psilocybe cubensis is a great beginner strain for cultivation and exploring new dimensions !

Availability: In stock

Multi Banco
Product Description

Years of planning and testing has resulted in the next generation of Mondo® B+ Magic Mushroom grow kits. The Mondo® Grow Kit B+ has become better than it ever was.

Compared to the first generation of Psilocybe cubensis Mondo® B+ Grow Kit, the next generation is improved with:

  • Larger yields, more mushrooms
  • More flushes*
  • Better resistance against contaminations
  • Different, but easier instructions

*some strains produce more flushes than others. The first three flushes are the largest.

How to store your mushroom grow kit correctly

It is recommended to start the cultivation process right away. If you decide to start growing later, you may store the grow kit in the refrigerator (2°C to 8°C) for 2 weeks. First, wrap the grow kit in a plastic shopping bag and close it well.

Contents of the B+ Psilocybe Cubensis Magic Mushroom kit

  • 1x grow box – This contains substrate with active mycelium (the cake) of the B+ cubensis strain
  • 1x grow bag – The bag has a micron filter to keep contaminants out
  • 1x reusable yellow seal – For closing the grow bag.

You need

  • Misting Bottle – Misting is needed for the humidity level
  • Potable water – For misting and soaking
  • Clean environment – Work clean to give other fungi and bacteria (micro organisms) no chance to contaminate.

We recommend using

How to prepare the room and yourself before you begin

  • Close any open windows. Wind or draft may bring microorganisms that can contaminate the Psilocybe cubensis 'B+' Magic Mushroom grow kit.
  • When taking out the grow box with the cake from the carton box, put it on a disinfected surface. If this surface would not be clean, microorganisms may attach to the grow box and will flourish inside the Psilocybe cubensis 'B+' Magic Mushroom grow kit and will contaminate the grow box.
  • Make sure you work with clean hands and arms. We recommend using surgical gloves or a good disinfectant when handling the kit. You should use a facemask to avoid breathing into the grow bag and on the cake.

Starting the process

  1. Fill the box with fresh, potable water. Close the grow box well and let it soak for 12 hours.
  2. After 12 hours, pour the surplus of water out of the grow box.
  3. Place the grow box inside the grow bag. The open end of the bag should point upwards.
  4. Remove the lid from the grow box. Rinse the lid and store it in the carton box.
  5. Fold the open end of grow bag twice; do not cover the micron filter.
  6. Place the reusable yellow seal on the fold, so the bag stays closed. Now the Psilocybe cubensis 'B+' Magic Mushroom grow kit is ready to grow.
  7. Place the Psilocybe cubensis 'B+' Magic Mushroom grow kit inside the carton box, on top of the ziploc with lid.

Read, download or watch the instructions for the Mondo® B+ magic mushroom grow kit.


The ideal temperature is 24°C. Do not have the temperature drop under 18°C and not exceed 29°C. To keep the temperature from dropping under the 18°C, you can use a Thermo Heatingmat to maintain the ideal temperature. A thermo mat is a must-have in the winter or colder regions of the world.


The Psilocybe cubensis Mondo® B+ Magic Mushroom Grow Kit only needs light for the mycelium to ‘understand’ it has reached the surface. Only then, mushrooms will grow. A few hours of fluorescent/artificial light or indirect sunlight a day is more than enough. Direct sunlight kills the mycelium, so avoid the sun to shine directly on the grow kit.

Water / Misting

The day after you start the process you begin with misting. Open the grow bag by removing the reusable yellow seal. Do not spray directly on the cake but spray one time against every side of the bag. So you mist once a day, four sprays. Misting also vents fresh oxygen inside the bag. Right after misting, close the bag again with the reusable yellow seal.


If the conditions are optimal, you can expect the first small mushrooms (the pins) to appear between 5 and 16 days. This also depends on the strain. Some cubensis strains grow slower than others.


The mushrooms come up in groups. This can be a small or large group. That depends on the strain. A growth like this is called a flush. Mushrooms are almost never ripe at the same time. You can get more than one flush out of a kit. The first two flushes are the largest. When more flushes come, they will be smaller than the previous one.


Mushrooms are ripe and should be picked when the veil between the hat and the stem has just torn. Don’t wait much longer. Use surgical gloves or disinfect your hands, wrists and arms. Pick the mushrooms that are ripe and let the others continue to grow. Remove the mushrooms from the cake by taking hold of the base of the mushroom between thumb and index finger. Rotating your hand clockwise slowly, until the mushroom lets go. Do not pull out the mushrooms. This would risk damaging the mycelium and killing it. When most of the larger mushrooms have been picked, also pick the smaller ones and the pins as well.

Mushrooms that grow from the sides

Mushrooms grow where the light reaches and where there is little penetrating resistance. Because the cake has light shining on the sides, the mushrooms might also grow there. It is hard to counter this and can be allowed. Some growers wrap the sides of the grow box in aluminum foil to keep the sides dark, but this doesn’t always work well.

When mushrooms grow there, they can be picked just before you soak the kit:

Clean hands! Take the grow box out of the bag and place it upside down on your other hand. Wiggle the plastic box so that the cake will fall out, onto your hand. The plastic box can be placed on a disinfectant surface. Now you have this hand free to pick the mushrooms from the sides of the cake. When all mushrooms are picked, you can place the cake back as it was, in the plastic box and continue to the soaking process.


After all the mushrooms have been picked, you prepare the kit for the next flush. Again, with disinfected hands or gloves; take the grow box out of the grow bag. Fill the box with fresh, potable water. Take the lid out of the ziploc bag and use it to close the grow box. Place the closed grow box in a soaking Bag or use your own clean plastic shopping bag and wrap it around the box. Close it well and place this in a refrigerator (2°C to 8°C) for 12 hours. This is called the soaking process. Water will now soak through the cake, preparing it for the next flush.

During the soaking you can hang the grow bag with micronfilter upside down to dry. Make sure to hang it upside down, so no microorganisms will access the bag. Many growers prefer to use new and unused grow bags after every flush.

After 12 hours take the soaking Bag with the grow box, out from the fridge and unpack it.

Next Flush

To continue, follow the same steps 3 – 7 as before when you started the process for the first time. Several days later, a new flush will appear. You can get at least 2 or 3 flushes out of a Psilocybe cubensis 'B+' Magic mushroom grow kit. If you are experienced in cultivating, you can get more flushes out of a kit.

The end

When no more mushrooms grow out of a grow kit after the second flush for at least three weeks, or when the Psilocybe cubensis 'B+' Magic Mushroom grow kit turns green, red, grey or yellow; the grow kit can be disposed of.  The change in color is a sign that the grow kit is contaminated with another fungus or bacteria. No more mushrooms will grow out of the Psilocybe cubensis 'B+' Magic mushroom grow kit and the grow kit should be thrown away in the garbage outside.


When you are too late picking the mushrooms, they will drop their spores. The cake and the mushrooms will turn black/purple (some other cubensis strains red/brown) because of the spores. This is not really a problem; it just doesn’t look very pretty. When mushrooms release their spores, they also start to degrade, and the active ingredients are breaking down. Mushrooms will lose some of their potency.

Be sensible

Check out the responsible use page for more information on do’s and don’ts.

This kit is meant for small-scale home use only.

Additional Info
Additional Info
Productcode MCS.GKMYC.002-BPLU-1200
Weight (KG) 0.9000
Mushroom Strain B+
Grow Kit type Mondo
Difficulty Easy
Size Normal
Species Psilocybe cubensis
Origin Unknown
Potency Average / High
Optimum cultivation temperature 23ºC
Yield (from) 100 grams
Yield (to) 300 gram
Water Spray Needed Yes

Customer Reviews

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Nur zu empfehlen Review by Elena
Dies war mein erstes Grow-Kit und es hat wunderbar geklappt. Die Pilze sind gewachsen und haben mir wunderbare Trips beschert. Ich konnte viel bearbeiten und loslassen. Ich bestelle wieder :) (Posted on 7/17/2024)
Perfect for beginners Review by Martin
A really great experience to see the mushrooms growing.
The instructions are really easy to follow, I don't have tape water so I had to boil the water to eliminate any bacterias and so far in 2 flushs I had no trace of mold on the cake.
I got 12g of dry mushrooms in the 1st flush, so I'm super happy and I had a fun trip with 3g although the effects lasted 6h and I was quite tired after.
So if you're looking for easy growing process with nice effects I recommend the b+ shrooms! (Posted on 6/27/2024)
Ist sein Geld wert Review by Andreas
Ich bin wirklich zufrieden mit dem Growkit.
Es ist mein zweiter Versuch selber Zauberpilze zu züchten und ich bin überrascht wie ergiebig und potent die Ergebnisse sind... (Posted on 6/14/2024)
Great service, amazing support! Review by Gazix
Easy to grow if you follow the instructions. Great flushes.
And amazing support. (Posted on 5/20/2024)
Great product, keeps growing and growing Review by Irina
I already took several of these kits, and I keep being satisfied. The first ones for some reason got contaminated, but I got a very kind replacement from this website and since then my newest purchase is completely ok. Tbhe only thing is that mushrooms keep growing and I didn't have a moment to recharge it in the fridge for a second flush. (Posted on 4/4/2024)
Great support of the Magic Mushrooms team! Review by Vitly
Unfortunately, next day after start of growing I found contamination in my box. I sent report to the magic mushrooms team and they approved me replacement. Now I'm on 3rd week of grow and looking forward to my first flush... (Posted on 2/23/2024)
Great product and perfect service Review by Magdalena
The product is high quality. The service is very good. (Posted on 2/20/2024)
Worse than before Review by Pat
Some years ago i was Happy with every Order but now i ordered 2 which both got contaminated before the First flush got 2 new ones for free and one was contaminated on the underside of the cake

I ordered 5 new ones and Hope for the best now (Posted on 2/14/2024)
Excellent product and better customer service Review by Lu
I always choose this page for my kits. This time I had some challenges in the first days of mushies starting to come out. The team in CS helped me with very specific tips and now I have a big flush almost ready to collect.

This is a website with great product, they know what they are doing and they are serious about it.

Always recommend (Posted on 2/10/2024)
Great product! Amazing service Review by Vitly
I got one great strong harvest which I enjoyed a lot. Unfortunately after first one I catched some contamination. Definitely will order more! Thank you for great service! (Posted on 1/16/2024)
Slow Review by Winterfairy
This time it's taking 3 weeks and the micelium seemed to become smaller, but yesterday I finally noticed mushrooms forming, only on one side though. I'm using heating mat and the box is 2 cm elevated. I air it every day, water once in two days. Water is collecting at the bottom of the bag and I pour it out every now and then. Temperature of the room is changing, half of the time it's 10-15 and half around 20, that's probably stagnating the growth
(Posted on 12/27/2023)
yum yum yum :) Review by Stig
apparently mondo stopped sending a soak bag and the clips to reduce plastic. i would have liked to know that earlier so i didn’t have to improvise when the box arrived. of course i appreciate the less plastic and the mushrooms are good as always. i’ve ordered multiple times from this website and i’ve always been happy with the results. b+ is also my favorite strain. funny, optical and feel good (Posted on 12/9/2023)
Great Review by M
Great (Posted on 11/7/2023)
Great Review by M
Great (Posted on 11/7/2023)
Good even for newbies Review by Og
My very first kit, so I don't have any comparison, but it was very easy to take care of and I got four flushes (before unfortunately I contaminated it).
I am very happy with the crops and will repurchase! (Posted on 10/24/2023)
Newbie Friendly Review by DrBirch
great product! Easy to start with, especially if youre a beginner. (Posted on 8/15/2023)
1rst time growkit mondo B+ Review by FT
I'm very please by the product and the company.
First flush, about 250gr.
I did several errors but i'm learning.
Thanks to magic-mushrooms (Posted on 7/28/2023)
Delicious harvest Review by Nick
As usual, the Mondo kits do not disappoint. Harvested about 4 flushes total of delicious, fat mushrooms. Fast shipping as well. Many thanks for the great customer service and great products! (Posted on 7/24/2023)
Nice Review by Jakub
I recently acquired this growing kit with Golden teacher, and while my experience with it was not as robust as with previous strains, I still have some observations to share. The kit arrived promptly and was well-packaged, ensuring the safety of the contents during transit.

However, I noticed that the yield from this strain was comparatively lower. Despite following the instructions diligently and providing optimal conditions, the number of mushrooms that grew was not as high as in the Golden Teacher one. Nevertheless, I remain optimistic and open-minded as I have not yet tried these mushrooms and cannot gauge their potency accurately. (Posted on 5/16/2023)
Noice Review by Spora
It was my first time growing mushrooms and i liked it. I had some problems with mushrooms not growing "normaly" a lot of them were growing almost horizontaly and weird shaped. Otherwise it was good, will buy again. (Posted on 3/31/2023)

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Important information about Mondo® Grow Kit B+

  • The purchase of this product is restricted to individuals who are at least 18 years old.
  • By initiating a purchase, you confirm knowledge of and compliance with the legal terms regarding the product(s) in your country of residence, as well as your eligibility to acquire and hold them.
  • Shipping restrictions apply to this product. Refer to Additional Info to discover our non-delivery zones.
  • Engaging in the consumption of magic mushrooms is solely your responsibility, so be certain to thoroughly educate yourself about their usage and consequential effects.
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