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Magic Mushroom Grow Kit Golden Teacher XL by Mondo®

The Golden teacher is a classic cubensis around for ages. The yellow gold like caps and wise teachings gives this mushroom strain it's name. Expect medium size to large mushrooms with wide caps, ideal for spore printing

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Product Description

Years of planning and testing has resulted in the next generation of Mondo® Golden Teacher XL magic mushroom grow kits. The  Golden Teacher XL grow kit is now even better than it ever was. Compared to the first generation of Mondo®XL magic mushroom 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 Mondo® Golden Teacher XL magic mushroom grow kit is slightly different than the grow kits you may have used before. These are mainly 'under the hood' differences and are not easily seen.

Just like the previous and other easy mushoom grow kits, you do not need to use additional spores. During the laboratory process, the spores have developed in mycelium inside the substrate (the cake) in the grow box.

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 after productiondate. 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 large grow bag – The bag has micron filters to keep contaminants out
  • 2x 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 to use


    How to prepare the room and yourself before you begin

    • Close any open windows. Wind or draft may bring microorganisms that can contaminate the Mondo® 'Golden Teacher' XL 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, micro organisms may attach to the grow box and will flourish inside the Mondo® 'Golden Teacher' XL 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 is 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 large 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 ziplock bag for later use. Place the ziplockbag with the lid back in the carton box.
    5. Fold the open end of large grow bag twice; do not cover the micron filter.
    6. Place the paperclip on the fold, so the bag stays closed. Now the Mondo® 'Golden Teacher' XL Magic Mushroom grow kit is ready to grow.
    7. Place the Mondo® 'Golden Teacher' XL Magic Mushroom grow kit inside the carton box, on top of the ziplock with lid.



    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 mat to maintain the ideal temperature. A thermo mat  is a must-have in the winter or colder regions of the world.


    The Mondo® 'Golden Teacher' XL 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 large grow bag. Fill the box with fresh, potable water. Take the lid out of the ziplock 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 micro organisms 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 Mondo® 'Golden Teacher' XL 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 Mondo® 'Golden Teacher' XL 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 a bacteria. No more mushrooms will grow out of the Mondo® 'Golden Teacher' XL 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 mb-mm2gt
    Weight (KG) 1.4000
    On Sale? No
    Alternative product: No
    Grow Kit type Mondo
    Difficulty Moderate
    Size Extra Large
    Species Psilocybe cubensis
    Origin Unknown
    Potency Average / High
    Optimum cultivation temperature 23ºC
    Yield (from) 100 grams
    Yield (to) 400 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

    Items 1 to 20 of 53 total

    per page
    1. 1
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    3. 3
    toujours aussi bon/ still as good Review by Laurent
    commande reçue rapidement; le kit m'a donné déjà 2 récoltes et c'est pas fini malgré les températures caniculaires du sud de la France. les champignons sont bien chargé en psilocybine (couleur bleutée)
    je recommande et je recommanderai...

    order received quickly; the kit has already given me 2 harvests and it is not finished despite the hot temperatures of the south of France. mushrooms are well loaded in psilocybin (bluish color)
    I recommend and I will recommend... (Posted on 7/2/2022)
    cool Review by Ivar
    Took today firts harvest. Others to fridge, but one. The bigest, eat raw. :) . First time ever. It was wery cool, surprizing effect. Was forsed to drive car by forgoten promise I made. Defenety don't drive. Took all my willpower to came back home safe. (Posted on 3/8/2022)
    Nothing grew happy with the service Review by EleniF
    The Golden Teacher XL kit arrived within a week and perfectly colonized. Unfortunately,
    after 2 months of waiting, it didn't grow any shrooms, for unknown reasons.
    As soon as I contacted The Magic Mushroom management, informing them about the failed process, they always responded immediately offering growing tips, recommendations and full support, until eventually they replaced the kit with another one for free.
    Fully satisfied with the service and looking forward to receiving the new kit.
    (Posted on 11/10/2021)
    timely delivery ,well packed . Review by joachim
    Golden Teacher is a very good product but a little tricky to grow. With proper care in a sterile environment there should not be a problem to get a good harvest. (Posted on 8/15/2021)
    Big boys :-D Review by Luis
    I´m really happy with the product, it arrived really fast at home and after 3 weeks i had mushrooms bigger that my hand (8 g after dry). Impressive (Posted on 6/1/2021)
    Did not grow Review by Magnus
    Tryed two times. The second time with heating carpet for the first 3 days. Nothing happend and after 3weeks I restarted the kit in the Fridge (4celsius). After 3 more weeks the Kit went into the traschcan. (Posted on 3/20/2021)
    very disappointing Review by DirkDiggler
    I had three of those so far and nothing ever grew out of them. The growkits weren't contaminated. They had good growing conditions, cause I grew other strains right next to them and they turned out quite alright. Tried keeping them in the fridge overnight but didn't help :/ (Posted on 3/2/2021)
    Disappointed. No result.. Review by Tiberiu
    It has been almost 6 weeks and I got nothing. After 4 weeks I left them in the fridge for 12 hours and still nothing.. I did everything by the book. Any advice? Any chance to still get something out of it? (Posted on 2/27/2021)
    bad luck with growkit, great customer service Review by Peter
    My bad luck as the kit wouldn't fruit. It's a living organism, so I guess that happens. Customer support assessed the photos and supplied tips. In the end they sent me a replacement. Thanks (Posted on 2/15/2021)
    Requires patience Review by Grzegorz
    It's been over a month now and although I can finally see some pins show up, there are very few of them. (Posted on 12/16/2020)
    Very good, can only recommend Review by Alex
    I tried Golden Teacher in the past years. You need a lot for a heavy trip but it is excelent. I am about to buy again (Posted on 11/30/2020)
    Slow experience Review by Charlotte
    It is my first grow kit and I had expected a fairly rapid harvest to a specific occasion. Luckily I had a plan B for this. It took around three weeks to see any pins and now after a month I’ve had four and seeing a couple of more. It seems like several people have had a less successful growth this very past month. We can’t force nature, I am hopeful to try other kits in the future. <3 (Posted on 11/15/2020)
    Nothing grew Review by Kristian
    Nothing grew out of this kit, I tred to refrigerate it twice extra in the three months I had this kit. In the end the kit turned a dark color. Had much better experience with other kits.

    MMS Customer Support Edit: This is unfortunate. Please contact us within 21 days if there is no growth or in case of contamination. (Posted on 10/24/2020)
    Nothing grew Review by Kristian
    Nothing grew. First time using this kit, not sure what I did wrong...

    MMS Customer Support Edit: This is unfortunate. Please contact us within 21 days if the kit does not grow. (Posted on 10/22/2020)
    Service great; product disappointing Review by Joseph
    I have ordered a number of kits here. This strain (or batch not sure) failed twice in a row.

    First kit was replaced by customer service (contamination). Thanks for this.. Second one was also contaminated but gave 3 fruits...

    Showing signs of contamination within a week or days tells me that the contamination itself was there before I got it. Interesting enough, this particular strain is now available for a 7% discount.

    I will continue to buy from here mainly because shipping is quick and customer service is great but if I get another contaminated kit I will have to look at other options. I don’t have the time to start agar work and just want to learn from the mushrooms. Perhaps it’s time to find time?

    Anyways happy tripping friends. (Posted on 10/11/2020)
    Service great. Product less than subpar Review by Joseph
    The shop was great about replacing the first kit I received as it did absolutley nothing but become contaminated.

    The second showed up and gave me 3 mushrooms... Up until this point the kits were great from here (ordered about 4 so far and everything went well with the others). I appreciate the service but the product is no good in my opinion. (Posted on 10/8/2020)
    my first attempt Review by Astavakra
    well, might be my responsibility, but today is 28 days and all i see is a single pin, that started last sunday, is now about 4cm tall and does not look so healthy ...
    maybe, if you give much more detailled intruction to every crucial point, temperature, humidty, light ... also a few hints to observe through the time ...
    guess, funghis need very sensitive care, even in growing kit :)
    well, i'll make another try, then start to cultivate apart from kits ...
    thanks anyway

    MMS Customer Support Edit: This is unfortunate. I see that we sent a replacement kit, so hopefully this will help.
    We have do have instructions in the product descriptions and a page dedicated to instructions:
    There is also a blog where we offer useful advice:
    - Improving the heating mat set-up:
    - Kits that are not yet growing: (Posted on 9/17/2020)
    Nothing ever grew and customer support simply ignored me Review by Kris
    Was my 2nd time using grow kit. First time ordering from here. Sadly after doing everything as instructed on guides here and keeping everything as sterile as humanly possible using gloves, mask and sanitizer etc. mushrooms refused to grow at all. Temperature was perfect at most times, humidity levels were kept high like its required. After 15 days of mushrooms not growing, I tried to place the box in more light (even tho it already had decent amount of daylight) - no luck.I tried to place the kit in refrigerator after 21 days of waiting - nop. After 3 days smell changed and I raised a support ticket - fully ignored. 5 days have passed and still nothing. No mushrooms, no support, money and time wasted. (Posted on 9/6/2020)
    Nothing ever grew and customer support simply ignored me. Review by Kris
    Was my 2nd time using grow kit. First time ordering from here. Sadly after doing everything as instructed on guides here and keeping everything as sterile as humanly possible using gloves, mask and sanitizer etc. mushrooms refused to grow at all. Temperature was perfect at most times, humidity levels were kept high like its required. After 15 days of mushrooms not growing, I tried to place the box in more light (even tho it already had decent amount of daylight) - no luck.I tried to place the kit in refrigerator after 21 days of waiting - nop. After 3 days smell changed and I raised a support ticket - fully ignored. 5 days have passed and still nothing. No mushrooms, no support, money and time wasted. (Posted on 9/6/2020)
    Great Review by Brian Højmark
    Great product from Mondo as usual. (Posted on 7/8/2020)

    Items 1 to 20 of 53 total

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    Write Your Own Review

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    Important information about Mondo® Grow Kit Golden Teacher XL

    • 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.
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