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InvisibleBaba Yaga
♥ coir grower

Registered: 09/13/20
Posts: 1,226
Loc: Hyperspace Chicken Coop
Oat Prep without Boiling and Drying * 7
    #27618585 - 01/14/22 03:29 PM (8 days, 23 hours ago)

Oat Prep without Boiling and Drying


TL;DR: I know, I know another frigging grain prep TEK but I like things simple and if you think boiling and drying your oats is going against
your lazy then give this prep a go and see how it works for you.....it's working for me.



There are quite a few oat prep TEKs out there and I've tried most of them. This one is a bit different as the oats are getting hydrated by
a cold soak only. This is nothing new but this technique is underrepresented IMO as oats are the perfect grain for a cold soak.
I started doing this because I had not the time to heat up a pot of water and deal with the drying. This method only takes 20-25 min of
actual time spend to get the grain into the PC. Another bonus is that I don't steam up my place and don't use energy for the prep.

For this method you will need:


  • Whole Oats
  • 5 gallon bucket(s)
  • Fine Grade Vermiculite as used in PF-Tek


Dump the desired volume of oats into a bucket. I use one 5 gallon bucket for the amount of oats that will fill 10 jars and soak 4 full
quart to get 10 myco quart. This will vary with other types/brands of oats. Fill the bucket with water until the oats are covered by 6-8
inches and let this soak for 16-24 hours. Times do vary with differences in ambient temperature but an hour more or less wont
matter much.

Oats after a 18 hour soak at 77oF or 25oC




You can check the hydration by cutting a few grains in half. In the photo below you can see a fully hydrated grain and how it can
be squished flat. It's all soft and mushy.




If you are satisfied with the hydartion then dump oats into a colander and let them drip dry for 10 minutes. While the oats are draining
I get my jars ready and wipe out the soak bucket with a sponge to get rid of the water puddled in there.

Now put the grain back in the bucket and add 1-1.5 heaped tablespoons of vermiculite for each quart jar you are planning to fill.
The vemiculite will soak up some/most of the excess water. The grain would actually soak up the water by itself but doing this gives me
better results and I don't end up with burst grain unless they were damaged beforehand or get grains that squirt out little starchy turds.




Shake it up good to distribute the vermiculite evenly.




This is all, the oats are ready to go into jars. I PC them for 90-120 min @ 15-17 psi. This is what it looks like when they come
out of the PC after cooling down over night. The excess moisture which is fuck all will get sucked up in a day or two.




Here are some oats cut in half after sterilization and over night cool down. Evenly hydrated, a bit on the dry side but this is what
I'm after and helps adsorbing excess moisture from condensation and LC and keep in mind that there is also some water in the
vermiculite which can be utilized by the mycelium so the over all water content will be enough to get the jar colonized.




Panaeolus culture on oats prepped this way.



and a couple of semilanceata jars after 12 days and one shake.



:sun:


Edited by Baba Yaga (01/14/22 03:51 PM)


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InvisibleveggieM

Registered: 07/26/04
Posts: 15,307
Re: Oat Prep without Boiling and Drying [Re: Baba Yaga]
    #27618635 - 01/14/22 04:03 PM (8 days, 22 hours ago)

Nice write-up. It's always good to have alternative methods. :thumbup:


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Invisiblefungusul
Fungus Kingdom
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Registered: 07/16/20
Posts: 520
Re: Oat Prep without Boiling and Drying [Re: veggie]
    #27618887 - 01/14/22 07:13 PM (8 days, 19 hours ago)

Nice write-up Baba! :mushroom2:


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Offlineasterix
L7
Registered: 12/26/21
Posts: 110
Last seen: 6 days, 23 hours
Re: Oat Prep without Boiling and Drying [Re: fungusul]
    #27618968 - 01/14/22 08:11 PM (8 days, 18 hours ago)

I ve tried this at a somewhat lower temp, like 18C-19C, because that's how cold it is in the basement, and found they dont soak up enough water.  If I extend the soak time it starts to grow bacteria, so I gave up on it.

But I really, really like the idea of skipping the boil.  Im going to play around with this some more.  I never thought of verm, maybe if I add some wet verm it will solve my water issue.


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InvisibleBaba Yaga
♥ coir grower

Registered: 09/13/20
Posts: 1,226
Loc: Hyperspace Chicken Coop
Re: Oat Prep without Boiling and Drying [Re: asterix]
    #27618983 - 01/14/22 08:23 PM (8 days, 18 hours ago)

I've got a bit of fermentation going on when its warm but that never caused any problems further down the line.
You can actually see the bubbles in the first photo.


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Offlinetripdawg420
low life with no life
Male


Registered: 02/03/09
Posts: 6,973
Loc: illinois
Last seen: 2 hours, 44 minutes
Re: Oat Prep without Boiling and Drying [Re: Baba Yaga]
    #27619058 - 01/14/22 09:13 PM (8 days, 17 hours ago)

:takingnotes:


--------------------
HUSTLER
How U Survive This Life Everyday Resourcefully
epic GT mono tub
http://www.shroomery.org/forums/showflat.php/Number/17277772

wbs tek
http://www.shroomery.org/forums/showflat.php/Number/11525679
coir tek
http://www.shroomery.org/forums/showflat.php/Number/11917410
results :thumbup:


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InvisibleSmartattackS
C'mon man
 User Gallery


Registered: 12/21/18
Posts: 3,576
Loc: A thought
Trusted Cultivator
Re: Oat Prep without Boiling and Drying [Re: tripdawg420]
    #27619070 - 01/14/22 09:19 PM (8 days, 17 hours ago)

Not bad, not bad at all. 

:coolpost:


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OfflineSpirit-Crusher
DOOM HIPPIE


Registered: 04/24/19
Posts: 284
Loc: PNW
Last seen: 13 hours, 56 minutes
Re: Oat Prep without Boiling and Drying [Re: Smartattack] * 2
    #27619086 - 01/14/22 09:37 PM (8 days, 16 hours ago)

The real question is where have you been finding vermiculite? Every place near me has been out since spring.


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InvisibleBaba Yaga
♥ coir grower

Registered: 09/13/20
Posts: 1,226
Loc: Hyperspace Chicken Coop
Re: Oat Prep without Boiling and Drying [Re: Spirit-Crusher]
    #27619150 - 01/14/22 10:56 PM (8 days, 15 hours ago)

I just had a look at the online market and my usual supplier (I'm not US based) and the only vermiculite available atm is the coarse grade
which is useless for my applications. Mmmhh have to keep an eye out and buy 200 liter if I come across it again, using it for seedlings as well.


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OfflineSpirit-Crusher
DOOM HIPPIE


Registered: 04/24/19
Posts: 284
Loc: PNW
Last seen: 13 hours, 56 minutes
Re: Oat Prep without Boiling and Drying [Re: Baba Yaga]
    #27619160 - 01/14/22 11:06 PM (8 days, 15 hours ago)

Yeah its rough in the states right now. Every couple of weeks you can find a grow shop with an 8 qt bag in stock, but there charging like 12 - 15 US dollars. I used to be able to buy 2.5 cubic feet bags for less than 20. I just stopped using it for the time being. I'd rather use if if I could though.


--------------------


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Invisiblestareatclouds
star eat clouds?
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Registered: 09/29/14
Posts: 9,560
Trusted Cultivator
Re: Oat Prep without Boiling and Drying [Re: Spirit-Crusher]
    #27619211 - 01/15/22 12:09 AM (8 days, 14 hours ago)

Quote:

Spirit-Crusher said:
The real question is where have you been finding vermiculite? Every place near me has been out since spring.




I always ordered massive bags from ULINE to last me. Check there if it's in the budget. If you just need something to soak up excess water, you can grind up dog food and sprinkle a bit in. I experimented a bit with it for faster LI colonization times back in the day. It helps the liquid coat the oats since the dog food sticks to it. I'd just avoid too much since grain is already nutritious enough (you can also grind up WBS, too).



Ground dog food and ground WBS.

Paint strainer bags fit perfectly around a 5 gallon bucket, by the way. I'd load them up with grain and fill the buckets with hot water from the tub (prefer hot to cold since it's faster, just as easy, and gives less opportunity for endospores to germinate). After an hour or so, I'd lift the bag out and strain it back into the bucket. Super easy compared to colanders or metal strainers and shit. Can also keep them in the bag and still spread 'em out in front of the fan if that's your thing. They're cheap on Amazon.


--------------------


click a thumbnail



ATTACK OF THE KILLER APE!!!11 | G2G Video | Stare Sticks | Bags in SAB [New]


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InvisibleBaba Yaga
♥ coir grower

Registered: 09/13/20
Posts: 1,226
Loc: Hyperspace Chicken Coop
Re: Oat Prep without Boiling and Drying [Re: stareatclouds]
    #27619249 - 01/15/22 01:03 AM (8 days, 13 hours ago)

Some good points there stare* pulverized dry coir would work as well I guess.

I got the initial incentive from member gr0wer and he puts dried coffee grounds in to suck up excess water.

I might have to go with one of those alternatives if I can't source fine verm, am down to my last 20 liters, it will last me for a while though.


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InvisibleAtomsplit
 User Gallery

Registered: 01/17/21
Posts: 1,026
Loc: SAB
Re: Oat Prep without Boiling and Drying [Re: Baba Yaga]
    #27619267 - 01/15/22 01:25 AM (8 days, 13 hours ago)

Cant you blend the coarse verm into fine?


--------------------
:einstein::3dglasses::teacher:
.


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OfflineBlackrainbow2
Stranger
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Registered: 12/16/20
Posts: 367
Loc: right behind U
Last seen: 11 hours, 42 minutes
Re: Oat Prep without Boiling and Drying [Re: Atomsplit]
    #27619297 - 01/15/22 02:43 AM (8 days, 11 hours ago)

Quote:


Cant you blend the coarse verm into fine?






yes


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OnlineNef
Dangerous Noobness
I'm a teapot User Gallery

Registered: 10/31/18
Posts: 434
Loc: EU
Last seen: 3 minutes, 54 seconds
Re: Oat Prep without Boiling and Drying [Re: Atomsplit]
    #27619301 - 01/15/22 02:48 AM (8 days, 11 hours ago)

respect Baba

I use oats a lot, will see if this is an improvement over my standard prep at some point

yah the verm situation here is not much better... consumer size bags are running about $1.30 a liter (if you can find any), if you get a 100L bag it still might run as high as $0.80 a liter. Only people I have found that have it on hand are insulation companies or packing companies, they use it as a packaging filler for shipping hazardous liquids because it is so absorbent

I have been doing most tubs without it as a result

good stuff man :cheers:


--------------------
LAGM2022 Journal


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InvisibleBaba Yaga
♥ coir grower

Registered: 09/13/20
Posts: 1,226
Loc: Hyperspace Chicken Coop
Re: Oat Prep without Boiling and Drying [Re: Nef]
    #27619317 - 01/15/22 03:15 AM (8 days, 11 hours ago)

Thanks man, what about gardening supplies and horticulture shops? I think buying it as insulation material is like buying wood pellets
labled as cat litter, like in more expensive.

Verm is so versatile and too valuable for me to use in tubs, using it for BRF pucks, with or as casing and with grain prep and to make my own
seed starter mix, its such a good out of the bag solution for many things.


I hope this will work for you.


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OnlineNef
Dangerous Noobness
I'm a teapot User Gallery

Registered: 10/31/18
Posts: 434
Loc: EU
Last seen: 3 minutes, 54 seconds
Re: Oat Prep without Boiling and Drying [Re: Baba Yaga] * 2
    #27619338 - 01/15/22 03:48 AM (8 days, 10 hours ago)

yeah all the grow shops and garden centres have none, or they have tiny amounts for stupendous prices


--------------------
LAGM2022 Journal


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