Uploaded July 2023 | Updated September 2026, 2 weeks ago
This video is about how to make grain spawn jars for growing mushrooms. Grain spawn is any cereal grain that has been inoculated with mycelium. Mycelium acts as the root system for a mushroom and consists of a fine network of filaments. The purpose of grain spawn is to allow the mycelium to multiply in a controlled environment. When the grain spawn has fully colonized the jar the grain kernels can be broken up and can be added to a bulk substrate. The mycelium will then colonize the bulk substrate and form fruiting bodies which are the mushrooms.
Links:
- https://linktr.ee/VonMalegowskiRecommended
Making grain spawn jars is an easy and simple way to get into growing mushrooms and determine if it is something you would be interested in. Sterilization is essential because mold spores or bacteria will compete for the nutrients in the grain and can outgrow the mushroom mycelium. The cotton ball on the jar lid allows for some gas exchange while preventing contaminants from getting in the jar. The grain spawn should be white and fluffy. If it is another color this could indicate that it has been contaminated with other fungus spores or bacteria.
This video was made in collaboration with Microdelights Microgreens: microdelightsmicrogreens.com/mushrooms
Materials Used in The Video:
- Plastic Jar Lids: amzn.to/3kDQeVd
- High-Temp Gasket Sealer: amzn.to/3eSCVNd
- Self Healing Injection Ports: amzn.to/3ivcmyB
- Syringe Filters: amzn.to/3ziWp5l
- Jars: amzn.to/2W04mOo
- Rye: amzn.to/3hRFDV4
- Pressure Cooker: amzn.to/3xXctcM
Timestamps:
0:00 Intro
0:37 Microdelights Microgreens
0:58 Introduction
1:15 Materials
2:15 Jar Lids
2:51 Rinsing and Soaking The Grains
4:00 Boiling The Grains
4:30 Prepping and Cleaning The Jars
5:14 Draining and Cooling the Grains
6:05 Canning and Sterilizing The Grains
7:48 Outro
Music:
Music: YouTube Audio Library
Tracks: Know Myself, Crazy, Cover, Nothing On Me
Artists: Patrick Patrikios
#Mushrooms #GrainSpawn #Mycology #VonMalegowski
©Von Malegowski. All Rights Reserved.
This video is about how to make grain spawn jars for growing mushrooms. Grain spawn is any cereal grain that has been inoculated with mycelium. Mycelium acts as the root system for a mushroom and consists of a fine network of filaments. The purpose of grain spawn is to allow the mycelium to multiply in a controlled environment. When the grain spawn has fully colonized the jar the grain kernels can be broken up and can be added to a bulk substrate. The mycelium will then colonize the bulk substrate and form fruiting bodies which are the mushrooms.
Links:
- https://linktr.ee/VonMalegowskiRecommended
Making grain spawn jars is an easy and simple way to get into growing mushrooms and determine if it is something you would be interested in. Sterilization is essential because mold spores or bacteria will compete for the nutrients in the grain and can outgrow the mushroom mycelium. The cotton ball on the jar lid allows for some gas exchange while preventing contaminants from getting in the jar. The grain spawn should be white and fluffy. If it is another color this could indicate that it has been contaminated with other fungus spores or bacteria.
This video was made in collaboration with Microdelights Microgreens: microdelightsmicrogreens.com/mushrooms
Materials Used in The Video:
- Plastic Jar Lids: amzn.to/3kDQeVd
- High-Temp Gasket Sealer: amzn.to/3eSCVNd
- Self Healing Injection Ports: amzn.to/3ivcmyB
- Syringe Filters: amzn.to/3ziWp5l
- Jars: amzn.to/2W04mOo
- Rye: amzn.to/3hRFDV4
- Pressure Cooker: amzn.to/3xXctcM
Timestamps:
0:00 Intro
0:37 Microdelights Microgreens
0:58 Introduction
1:15 Materials
2:15 Jar Lids
2:51 Rinsing and Soaking The Grains
4:00 Boiling The Grains
4:30 Prepping and Cleaning The Jars
5:14 Draining and Cooling the Grains
6:05 Canning and Sterilizing The Grains
7:48 Outro
Music:
Music: YouTube Audio Library
Tracks: Know Myself, Crazy, Cover, Nothing On Me
Artists: Patrick Patrikios
#Mushrooms #GrainSpawn #Mycology #VonMalegowski
©Von Malegowski. All Rights Reserved.
