In this video, we take the grain spawn we made and use it to spawn bulk substrate. In this video we see how to make CVG, one of the most popular substrates for mushroom growing.
Ingredients
Coco Coir
Vermiculite
Gypsum (dry wall)
Combine and weigh CVG and place in a large container, to this add 3.5x water by weight.
Cover your container with its lid or in my case foil and place in the pressure cooker. Sterilise for 2 hours at 15psi/105kpa.
(Most people will pasteurise and this is absolutely fine. I however suffered major contamination on my last few tubs and never want to repeat the experience. Once bitten, twice shy!)
Let cool before opening.
Clean a tub with alcohol and wipe clean. Be sure to leave minimal alcohol. Add a base layer of CVG and then introduce your spawn. Break up any clumps and add more CVG until there's about at 1:1 ratio CVG to Spawn. Mix extremely well and then add a further 1cm CVG layer to the top. Mist this layer with water for 30 seconds and close.
Good Luck and Happy Growing!
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11 июн 2024
