FreshMushroom Grow Kits !
Easy magic mushroom cultivation kits

Magic Mushroom Grow Kit RedBoy by Mondo®

The Red Boy Mondo® magic mushroom grow kit. The Psilocybe Cubensis Red Boy strain is a mutation from the PF original mushroom. It's red colored spores are a genetic deformity that produces red spores instead of black or purple spores. Now loved by many the RebBoy is a beautiful strain to grow.

Availability: In stock

Product Description

Years of planning and testing has resulted in the next generation of Mondo® Red Boy Magic Mushroom grow kits. The Mondo® Grow Kit Red Boy has become better than it ever was. Compared to the first generation of Psilocybe cubensis Mondo® Red Boy 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.

Meet the new standard of easy grow kits

The Psilocybe cubensis Mondo® Red Boy Magic Mushroom grow kit is slightly different than the grow kits you might have used before. This is seen only in the substrate recipe and is a secret not just shared with everyone. Not even with us!

Just like the previous and other easy grow kits, you do not need to use additional spores. During the laboratory process, the spores have developed into mycelium inside the substrate (the cake) in the grow box. The mycelium has fully colonized the substrate and is ready to grow mushrooms.

How to store the 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.


  • 1x grow box – This contains substrate with active mycelium (the cake)
  • 1x grow bag – The bag has a micron filter to keep contaminants out
  • 1x paperclip – 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 'Red Boy' 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 'Red Boy' 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 paperclip on the fold, so the bag stays closed. Now the Psilocybe cubensis 'Red Boy' Magic Mushroom grow kit is ready to grow.
  7. Place the Psilocybe cubensis 'Red Boy' Magic Mushroom grow kit inside the carton box, on top of the ziploc with lid.

Read, download or watch the instructions for the Mondo® Red Boy 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® Red Boy 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 paperclip. 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 paperclip.


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 'Red Boy' 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 'Red Boy' 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 'Red Boy' 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-RBOY-1200
Weight (KG) 1.0000
On Sale? No
Alternative product: No
Grow Kit type Mondo
Difficulty Easy
Size Normal
Species Psilocybe cubensis
Origin United States
Potency Average / High
Optimum cultivation temperature 24ºC
Yield (from) 200 grams
Yield (to) 600 gram
Water Spray Needed Yes
Not shipped to: Non EU countries, Africa, Asia, Australia, Caribbean, Central America, Cyprus, Denmark, Germany, Iran, Ireland, Middle East, South America, Canada, Estonia, Finland, Israel , New Zealand, Norway, Russia, Sweden, Switzerland, Turkey, United Kingdom, United States

Customer Reviews

18 Item(s)

per page
Molto buono Review by Riccardo
Perfetto per chi è agli inizi raccolto abbondante, potenza ancora da provare (Posted on 1/20/2023)
Love This Strain Review by Gert
Large Flushes & Large Mushrooms (Posted on 1/2/2023)
Best Mondo Strain Ever Review by Gert
Large mushrooms & 3-4 Large flushes.
(Posted on 11/7/2022)
First box died but they sent another one and it worked great! Review by Francisco
The first kit I ordered died but the customer support is too nice. They gave me another one and it worked great the second time. Many pins and fast growth. Recomend 100% (Posted on 8/12/2022)
Great Value For The Price Review by Gert
Love this strain. Large Mushrooms & Large Flushes (Posted on 6/23/2022)
Unfortunately...unlucky. Review by Jorge
With Xl box i had some luck on the amount of shroms I get, but on the small, forget it. Not a single one. It looked liked it came with a too old micelium, this one. But I have to say that this specie is one of the most potent you can find around there...

@@ Edit by MMS: PLease contact our cutomer support for some help, let us know your order number, batch- and weeknummber of the kit and we can help out. (Posted on 5/8/2022)
Exactly is i expected Review by Vasili francesco
Product arrived in a shorter time than expected, in excellent condition, the mycelium needed a few days to optimize, and then the growth began, on the fresh 260g for the first flush, maintaining the ideal conditions, the perceived effect and soft and pleasant state, interesting the physical impact also the hallucinogenic phase pleasant and "non-invasive" advice to have great self-control and knowledge on the subject, to avoid serious consequences that are underestimated. The team is professional nothing to add I highly recommend the site (Posted on 3/31/2022)
5* Review by Jakub
My favourite growkit! Fast delivery. Easy to grow, ideal for begginers.
First flush 22g, second flush 20, third goin good so far ;)
Next time gotta buy atleast 2 od them :P (Posted on 3/12/2022)
Excellent result Review by Sav
This was the second of the two replacement kits I got after the previous one was bad (problem with the medium resulted in very slow, stunted growth), the other one being B+.

Flush was very impressive with huge fruits. Unfortunately, the medium got contaminated and I had to throw it away after just one flush.

Very pleasant, visual experience, longer lasting than B+ but slower to start and not as viscerally intense.

Great product and superstar customer service! (Posted on 3/11/2022)
Love This Strain Review by Gert
Large Flushes & Large Mushrooms (Posted on 5/27/2021)
Great Mondo Kit Review by Gert
Got 3 large flushes. Very Happy with these kits (Posted on 4/22/2021)
Old kits, one molded within 3 days Review by Alexandra
I had ordered an XXL but because there was none available I agreed to instead receive 2 small ones. However, they smelled from the beginning a bit sweet, like the grain was old, not smelling of mycelium at all. One of the two got moldy within a few days and there was no way to recover it. The other is still thinking to sprout, after a month... Until today my experience with the kits was great, but this time I believe there was some pushing to sell these old kits, which should not be done...

MMS CUSTOMER SUPPORT EDIT: This is unfortunate. When issues like this arise, please contact us as soon as possible at [email protected] We have contacted you for further support. (Posted on 4/8/2021)
Nice Review by Dino
Great product great support time customer thank you (Posted on 1/25/2021)
Love em Review by Teytum
Great visuals and spiritual trip very potent and good flushes (Posted on 8/8/2020)
gutes produkt,nur zu empfehlen Review by david
habe diese growbox schon mehrfach gekauft,wurde bisher nie enttäuscht was die erträge und den wirkstoffgehalt betrifft,nur zu empfehlen :-) (Posted on 4/21/2020)
nice Review by ceqar
comme je ne les avais pas mis au froid la premiere récolte a était retardé, il n y a rien qui a poussé pendant 10jours puis aprés trempage c est bien parti, bonne récolte avec de gros champi niquel (Posted on 12/30/2019)
fast rush Review by Hans
good one (Posted on 10/26/2019)
???? Review by philip
Nice Flushes (Posted on 7/14/2019)

18 Item(s)

per page
Write Your Own Review

Only registered users can write reviews. Please, log in or register

Important information about Mondo Grow Kit Red Boy

  • You have to be 18 years or older to order this product
  • This product has shipping limitations. See the additional information to find out where we don't ship.
  • When you place an order you declare that you are aware of the legal status of the ordered product(s) in your country and that you are allowed to receive and posses these.
  • The use of magic mushrooms is at your own risk, so make sure to be well informed about the use and their effects.
  • The price does not include shipment.
You may also be interested in the following products:
Red Boy spore vial Red Boy spore vial
1 Review(s)
Mondo® Grow Kit Red Boy XL Mondo® Grow Kit Red Boy XL
20 Review(s)
Red Boy spore syringe Red Boy spore syringe
1 Review(s)
Mondo® Grow Kit Starter Pack Mondo® Grow Kit Starter Pack
92 Review(s)
Magic Mushroom Grow Kits Combi Deal - 3 Pack Magic Mushroom Grow Kits Combi Deal - 3 Pack
118 Review(s)

As low as: €104.95

Mondo® Grow kit Discount 5 Pack Mondo® Grow kit Discount 5 Pack
47 Review(s)