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Magic mushroom growkit manual

With the all-in-one magic mushroom growkit you can easily grow Psilocybe cubensis mushrooms in the comfort of your own home! Everything you need to cultivate your own magic mushrooms is included in this kit.

What's in the growkit?

The magic mushroom growkit contains:
  • 1 x 1200cc or 2100cc container filled with colonized substrate
  • 1 x bag with an air filter
  • 1 x paperclip

What's in the substrate?

A mushroom substrate is simply any substance on which mycelium will grow. When trying to grow magic mushrooms, choosing a substrate is an important decision. The substrate in the growbox consist of various different layers in order to promote the optimal growth conditions for the mushrooms:
  • The bottom layer is made up of perlite. Perlite can hold water really well and is used to keep the air moisture level up.
  • In the middle there's a layer of substrate that has been inoculated with the mycelium of Psilocybe cubensis. This mycelium is a network of fungal threads that expand through the whole substrate and from which the mushrooms will form.
  • On top is a thin layer of vermuculite, a mineral that creates a micro-climate for the formation and development of primordia (proto-mushrooms) and that protects the substrate from drying out.

Storage and shelf life

Store your growbox in the fridge, at around 7℃ (45 ℉). Mushroom growing kits do have a definite shelf life, so use it as soon as you can after it arrives.

Step-by-step instructions

When growing mushrooms there are several things to keep in mind. You will have to work as clean as possible to avoid contamination with bacteria and other fungi. Always wash your hands thoroughly before handling any of the accessories included in this kit. Don't breath into the filter bag to prevent bacterial contamination!

If you have a 100% mycelium kit, you can skip the first 3 steps and start with step 4.

  1. Take the lid off the growbox and slowly fill it with lukewarm water until the substrate is completely submerged.

  2. Put the lid back on and let it soak for a while. A period of about 12 hours should give the perlite and mycelium enough time to absorb as much water as it can.

  3. After 12 hours open a corner of the lid and carefully pour the excess water out off the growbox.

  4. Mushrooms need an ample amount of water to grow. To provide enough water for your mushrooms you can add 2 cups of lukewarm water in the bag before you place your growbox in. Another method is to use a water sprayer to spray the inner side of the filter bag with some water every 2 to 3 days. Do not spray directly on the substrate or developing mushrooms.

  5. Proceed to remove the lid of the growbox completely (save the lid for later flushes) and place the growbox in the supplied filter bag. Fold the top edge of the bag over twice and secure the bag with the paperclip.

  6. Place the bag with the mushroom growbox in a warm, light spot. The optimal temperature for the grow kit is 20 - 25 ℃ (68 - 77 ℉). Do not place the growbox in direct sunlight or on a radiator (or other heating device). Make sure the temperature does not exceed 35℃ (95 ℉); otherwise the mushrooms may not survive. To promote optimal growth, you can open the bag every 7 or 8 days to let fresh air in. After 1 to 3 weeks the first mushrooms will appear!

  7. The best time to harvest is just before the mushrooms open their hats. This can be recognized by the breaking of the veil underneath the hat. When you postpone the harvest, the mushrooms will drop their spores, could grow moldy and will loosen their strength. The best way to pick them is by grasping them gently between two fingers and twist them softly upwards until they're loose. Grasp the stem of the mushroom between your fingers as low as possible, but try not to touch the vermiculite and mycelium too much.

  8. The mycelium of Psilocybe cubensis is capable of producing many more flushes; which means you can harvest several times too! After harvesting, simply repeat again from step 1.