Coral Tooth Mushroom Kit Instructions
Coral Tooth is a gourmet mushroom that is related to Lion's Mane. Since Coral Tooth grows best with high humidity and little airflow, we provide an optional humidity tent together with your paper instructions attached to your kit.
Each species of mushroom is a different growing experience. Even if you have grown mushrooms before, please read the instructions for your kit carefully before proceeding. If you run into any problems please see our FAQ.
Step 1: Mycelium Check
Inside this box, mycelium has been steadily breaking down the organic growing medium and converting it into energy. Lion's Mane mycelium is fine, wispy, and hard to detect at first. It often starts fruiting on substrate that doesn’t appear fully colonised (completely full of mycelium), so you can begin using your kit once a fine layer of mycelium covers the surface.
Lion's Mane mycelium can be tricky to spot. If you’re unsure of its progress, start your kit within two weeks.
Locate and remove the round cardboard tab on the box to check the colour of the growing medium through this "window."
Brown =
needs more time in a warm location
Wispy white =
ready to move on to step 2
Denser white or yellow =
ready to move on to step 2
If your window is brown, move your kit to a warm location - over 15°C and NO MORE THAN 25°C. Check it twice a week until you see white, wispy white or light yellow.
If you are happy that the window is filled with wispy or dense white mycelium you can now move on to the next step 2. Coral Tooth mycelium can be difficult to detect, so please do not wait longer than 2 weeks before starting your kit. If you do not want to move on to step 2 at this time, you can keep your kit in the fridge or a cool place for up to two weeks.
Step 2: Finding an Ideal Location
Coral Tooth Fungus thrives in warm, humid environments with indirect light and minimal drafts. Creating this environment is essential for a productive kit.
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Temperature/light: Place your box in a warm spot with ambient light, ideally between 17°C and 21°C if you have a thermometer/hygrometer. Do not place it near heat sources like radiators, which can overheat and dry out the substrate.
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Humidity: Since Coral Tooth fungus prefers 80-90% humidity with low airflow, you can use the humidity tent provided in your kit to create these conditions. Locate the tent in the paper instructions and set it aside for step 4.
Step 3: Initiating Fruiting
In nature the mushroom fruiting process of is triggered by a range of changes in the environment. Oxygen and ambient light become available as the mycelium breaks through the ground layer or the extremities of a log. Seasonal changes bring wetter weather and humidity increases. You will now imitate these changes in the following way.
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Using a clean knife, puncture the exposed bag in a cross pattern the same size as the hole. This will initiate the fruiting process and your mushrooms will grow from this hole.
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Place your kit in the humidity tent according to the instructions below.
Step 4: Misting & Placing the Humidity Tent
Much like its cousin Lion's Mane, Coral Tooth fungus prefers to grow in an environment with 80-90% humidity without too much wind or airflow. Because of this, you may want to use a humidity tent. If you have a place in your house that is quite humid and is not near open windows or fans you do not need to use the tent.
You can start your kit without the tent and then use it if your Coral Tooth begins to look dry or starts to discolour at the edges.
If not using the humidity tent:
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mist the opening of your kit from 4-6 inches away with clean water around 3 times a week.
If using the humidity tent, you do not need to mist your kit. To use the humidity tent:
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Your humidity tent is located with the paper instructions taped to your box.
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Lightly mist the inside of the bag or put a teaspoon of water inside the bag and then drain it to help create higher humidity.
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Place the damp humidity tent loosely over you box so there is access to fresh air flow around the sides. Don’t worry if the tent appears to dry out - it is still creating a suitable microclimate.
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Be sure to leave enough room for your mushroom to grow. If you need to, you can use some chopsticks to prop open the bag
Example of humidity tent positioned when growing upwards.
Position of the humidity tent over a box. Note the room to allow a little airflow around the sides.
If you need to create more room in your humidity tent, you can make a vertical cut down one side of the bag. Drape the bag over the box with the cut side facing down, and place a weight on top to keep it secure.
Humidity tent with one side cut vertically.
You can now position the humidity tent with the cut side facing down.
Step 5: Pinning
'Pinning' (the start of mushroom growth) should begin within 3-5 weeks of initiating fruiting. If your mushroom has not begun pinning within 5 weeks, please see our FAQ.
Once your mushroom has begun to pin, it will grow slowly over the next 2-3 weeks.
Lightly remoisten the humidity tent by spraying the bottom of the bag once a week or lightly mist your growing mushroom if not using the tent.
Lift away the humidity tent to allow for fresh air 2-3 times a week.
Step 6: When to Harvest
You may harvest at any time during the growing process, but you will usually know that the mushroom has finished its growth cycle when it develops "teeth" on the edges that are between 2-4cm long. It is common for some of the older growth to develop yellow or brown colouration when the mushroom is fully mature.
You should try to harvest your mushroom after it has begun to develop teeth at the edges, but before it begins to drop spores. If you notice a white powder inside your humidity tent, your mushroom has begun to sporate. It will still be perfectly delicious, but it is definitely time to harvest! See an example photo below:
The mushroom has developed its characteristic spines at the edges and is ready to harvest.
Step 7: Harvest
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To harvest, twist and pull the entire bunch off at the base.
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Be sure that you have removed all of the mushrooms' base from the hole. You should be able to see brown growing medium to ensure the next flush.
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Cut off any cardboard or growing medium that has stuck to your mushrooms. You can store your mushrooms in the fridge for up to a week.
Step 8: Initiating The Next Flush
Did you know that your box has the ability to produce several clusters or 'flushes' of mushrooms over time?
Make sure that you have removed all of the previous mushroom stem from the hole before placing your kit in the fridge for 12-24 hours. This will "cold shock" the lion's mane mycelium and help speed up the process. If you don't have space in the fridge, don't worry - you can simply give it some more time and it will eventually flush again.
You can then return your kit to your chosen location and repeat steps 4-7. Times between flushes can vary from 3-9 weeks as your block builds more energy. Your kit may flush several times, but the amount of mushrooms will reduce and the time between flushes will grow longer each time until the growing medium is spent.
For more tips and information about how to encourage subsequent flushes sooner see our FAQ on getting more our of your kit.
Step 9: What to do with your kit when it stops producing mushrooms
Did you know that fungi play a key role in storing carbon? Trees and plants remove carbon from the atmosphere and fungi break down plant waste to create new carbon-rich soil. Clean air, healthy soil and delicious mushrooms: just one of the many ways fungi are incredible!
Once your kit has finished flushing, open the box and remove the mycelium block from its plastic bag. Discard the bag in the general waste. You can now recycle the box and additional packaging and compost the block. Alternately, plant your block in the garden to see if it will gain a some energy and produce one last seasonal crop for you! Simply dig a hole in a shady spot, bury the block and cover it over with around 5cm of soil. Water it occasionally to keep the soil moist.
We hope you've enjoyed growing your Lion's Mane mushrooms!
We're passionate about sharing the diversity of the fungi kingdom & making more of its edible & medicinal delights easy to grow. Want to try another strain or learn how to cultivate mushrooms? See our full range of mushroom growing kits and cultivation workshops!