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Cloud920 Classic XL Growkit Instructions
Table of contents
Packaging and Receipt
For the best results, begin cultivation as soon as possible. If you need to store the kit longer (up to 14 days), keep the grow kit refrigerated at 2–7 °C.
The psychedelic mushrooms are part of a mycelium, which is a fungus. In the grow box, this mycelium appears as white mould—this is normal. Signs of other fungi with different colours should be reported to the seller immediately.
What’s Included?
- A grow box containing substrate and living mycelium
- A grow bag with a white patch (gas-exchange filter)
- Two paper clips
Note: The kit does not include printed instructions. View the guide online.
What You Need
- Sterile gloves
- Soap/Disinfecting alcohol
- Disinfectant for cleaning your work surface
- Water spray bottle for misting
- Good quality tap water or store-bought mineral water (Never use demineralised water)
How to Start
- Clean your work surface with disinfecting alcohol and wash your hands and forearms thoroughly.
- Put on sterile gloves.
- Take the grow box out of the cardboard box and place it inside the grow bag.
- Take off the lid and save it for a later time.
- Use the spray bottle to spray two light mists of water against the inside of the grow bag.
Note: From here on, be gentle with misting, too much water will prevent mushrooms from growing. - Close the bag by folding the opening of the bag inward twice (about 2 cm for each fold). Do not fold over the white filter patch. Secure the fold with the paper clips.
- Place the kit on an elevated surface (table, shelf or on top of a cupboard) out of direct sunlight, at 22–24 °C. Ensure a day/night light cycle using daylight.
- Leave the grow kit to rest undisturbed for three days.
Fresh Air Exchange and Misting
- After 3 days, close all the windows to limit airflow in your grow room and wait 30 minutes before you continue.
- Remove the paperclips and open the grow bag.
- When you notice condensation on the inside of the grow bag, the humidity levels are fine and no additional misting is needed.
Note: When no clear condensation is observed, you may want to spray two light mists of water against the inside of the bag after step 4. - Refresh the air in the grow bag by gently pressing the sides together to push out the old air, then pulling them apart again to draw in fresh air. Repeat this about four times.
- Close the grow bag the same way you did during setup.
- Repeat Fresh Air Exchange steps 1-5, every day until you see the first pins/mushrooms appear. If you were misting, stop that completely. Continue with the Fresh Air Exchange.
Harvesting
- Disinfect your work surface, hands and forearms. Take the grow box out of the grow bag and place it on the disinfected surface.
- Harvest all mushrooms when most caps have fully opened and the veil beneath breaks—but ideally before spores (black/purple color) begin to drop.
- Pick all the mushrooms, large and small. Pick the mushrooms completely (stems including their base and caps). Do not forget to pick the mushrooms that are growing on the sides of the substrate.
After Harvest
- Immediately after harvesting the first flush, mist heavily: 15–25 sprays on the substrate surface with a misting bottle.
- Place the grow kit back in the grow bag and close it. Return the grow kit to its grow spot.
Note: if you see a layer of water inside the grow box the next day, drain it.
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- Repeat this process of the Fresh Air Exchange and harvesting cycle until the kit is depleted.
- After the second flush, experienced growers may choose to soak instead of heavy misting.
