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@@TechBroMushrooms yes, 15 psi for at least 1.5 hrs.

@@FungusFingers ok great I’m following this to the T. So far seems no contam and good hydration %. Thanks

@lost_in_wanderlust i use Unicirn bags, standard size 14a degradable. Probably just the perspective that makes them look big.

@gabrielnovelo6865 I don't lower the water, but you can adjust if you have soy with more moisture. You could test your soy by heating some on low heat in the oven, or dehydrator until you are sure it's completely dry and compare the weight of your sample before and after drying. Should give you an idea of your water included.

The goal is 2 parts dry by weight to 3 parts water by weight. Or another way to put it is approximately 60% total hydration.

@cinderblue3251 this is sterilization, pasteurization is a different lower temperature process for substrate. You can not pasteurize grain Spawn, it must be sterilized at a minimum of 215 degrees Fahrenheit for at least 15 minutes in the center of the bag. This usually means a pressure canner/cooker at 15 psi for at least 1.5 hr. At these temps the water in the bag expands and would blow open a sealed bag. Therefore the bags are folded but left unsealed to allow for expansion and contraction. Great question, thank you

@@FungusFingers Thank you, great explanation! What specific species have you tested this mix on? Does it work for all medicinal mushrooms or even those that are magical?

@cinderblue3251 grain Spawn is a necessary intermediate step for all mushrooms. Most grains will work for most cutivatable species, gourmet, medicinal and Sacred.

@cinderblue3251 sounds interesting, however most dishes only take 2 weeks to colonize or less, and speeding things up rarely is necessary.

@soulsmile4799 3T is a type of filter, doesn't describe the size of bag, just the size of micron opening in the filter. These are the standard size unicorn bags. They hold up to 6 pounds of hydrated grains but I suggest no more than 3 lbs

@soulsmile4799 I would follow this recipe exactly until you can do it with zero contamination, then possibly double batch if you need, however the larger the batch the higher your internal temperatures get and the higher the chance of contamination. You are better off with 2 bags at 3lbs than 1 at 6 lbs.

They're the outer skin. I actually asked this question to my local grain seller today and he kindly explained.

The ratio for these small grains are 2 parts grain to 1 part water. So if you are looking for 1.5lbs finished bag weight you would use 1lb of grain and a 0.5lb of water to achieve a 50% hydration. Hope that makes sense, happy growing!

@@FungusFingers Yes it does! Thank you. Your video is the only good one I’ve found using these. I usually use whole oats in the states but I moved to another country and red sorghum is in abundance here and the cheapest grain. $15 for about 80lbs.

3 bags of this method and 3 bags of a boil no soak method going into the PC in 30 mins. No millet here, just pure milo.

How did it work out?

Yup I also was doing it much more complicated, see the 45min video on how to do corn Spawn. Happy growing!

Weird? Well here's an upvote for you

Highly recommend this mix, everything I've tried loves it, except Shiitakes.

Yes, shiitakes don't like soy hulls. They prefer wheat bran, which can be sourced from feed stores as worm food, rather than purchasing more expensively in the grocery aisles. @@FungusFingers

@copperdomebodhi5606 Agreed!

Thanks!

Probably, as my music cut out as I started video, I've already been pinged for copyright so I didn't add music

Yes my channel: 'Desert Water Mushroom Rock' is a catch all for the things I'm up to. I'm in Arizona. I'm the owner/ operator of Sky Island Mushrooms. I'm also a water harvesting and permaculture design consultant working under the name : Desert Management Technologies (DMT LLC) I'm also a contract Geologist. I will make a video that explains all the stuff I'm trying to do. Thanks for the question, I realize it's a bit confusing.

Thank you!

After hydrating the wood and soy hulls, the blocks need to be sterized (15 psi for 1.5 hrs) and then allowed to cool slowly (24-48 hrs) and then innoculated with spawn.

I use about 1/4 of a pound of spawn for Oysters and Lions Mane, and about 1/8 of a pound for Shiitakes and Reishi

The more spawn you use, the faster your block should colonize. My quart jars hold approx. 3/4-lb of spawn. Once colonized, I add two (2) of these jars of spawn to a 10-lb block. So, to answer your question, for rather quick colonization, I'd suggest adding approximately 3/4-lb of spawn to a 5-lb block. More or less spawn will get the job done; just keep in mind: more spawn = faster colonization. Less spawn = slower colonization. And remember, have fun! Put on some rock music and roll with it! 🙂

@copperdomebodhi5606 some species do not like too much nutrients (grain Spawn) and yields will suffer. Oysters don't seem to care but Shiitakes and some medicinal species like Reishi do for sure.

Thank you! Absolutely working on more videos.

As shown with hot water, no. If I were to use cold water, then yes.