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grain transfer bags

Magic Mushroom Grain To Grain Transfer

grain bags

1. What Is A Grain To Grain Transfer?

Grain to grain transfer is a simple and efficient process where colonized grain spawn is transferred to newly sterilized grain spawn for the purpose of expedited colonization of grain spawn. This process can be repeated over and over again, which could result in huge amounts of colonized grain.

2. Advantages Of Grain To Grain Transfer

2.1 Accelerated Grain Colonized

  • Inoculating uncolonized grain with colonized grain results in much faster mycelium growth in comparison to inoculation with spore syringes 
  • Can be repeated several times, resulting in exponential growth of mushroom spawn
  • More contact points with each individual grain

2.2 Cost-Effective

  • One jar of colonized spawn can be split into 10 jars of uncolonized spawn. This method allows for exponential growth of mushroom spawn, with the use of only one colonized spawn jar!

2.3 Easy & Simple Method

  • Grain to grain transfer is a method used by beginners and advanced mycologists alike 
  • Not labor intensive, unlike making agar or liquid culture to use to inoculate 
  • It does not require any special material or equipment, just a clean and sterilized work space.
Magic Mushroom Grain To Grain Transfer

3. Downsides Of Grain To Grain Transfer

3.1 Contaminants

  • Without a flow hood, while doing grain to grain transfer, the grain may be exposed the the air during the transfer

3.2 Senescence

  • Depending on the mushroom genetics, the number of grain to grain transfers could be limited. With the division of cells, there are arguments that the mycelium will weaken over many transfers. Which could possibly cause weaker colonization and fruiting.

3.2.1 Materials

Materials:

  • Laminar Flow Hood
  • Colonized Mushroom Spawn
  • Sterilized Grain
  • 70% Isopropyl Alcohol

4. How To Perform Grain To Grain Transfer

4.1 Step 1 - Clean Your WorkSpace

Sterilize work space and materials. Wipe down the jars/bags of colonized mushroom spawn with 70% isopropyl alcohol.

4.2 Step 2 - Break The Colonized Spawn

Break up colonized mushroom spawn for more evenly distribution

4.3 Step 3 - Mix The Colonized Spawn With New Grain

Using a laminar ow hood, or a still air box/glove box, carefully open up the shaken jar/bag of colonized spawn and evenly distribute the grain to the newly sterilized grain jars/bags.

4.4 Step 4 - Seal

Seal the newly transferred jars/bags and give them a good shake to distribute the colonized grain for more contact points, which intern leads to quicker colonization.

4.5 Step 5 -Store The Spawn For Colonization

Store the newly transferred jars/bags in a dark and warm spot, full colonization should take 1-2 weeks.

4.6 Step 6 - Rinse And Repeat

Repeat after full colonization for exponential mushroom grain spawn growth.


Magic Mushroom Grain To Grain Transfer
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