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OfflineMortySmith
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Registered: 03/28/16
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Straight grains or only straw?
    #23825816 - 11/12/16 12:37 PM (7 years, 2 months ago)

So I have a lot of oats and straw. Also some verm. No coir or h-poo. I was planning on doing 2qt colonized wbs with 2qt verm/coir in a dub tub. But I ended up with all this cheap ass straw and oats.

I could easily use just straw for bulk if that would work, but I see most people use straw with h-poo, which I would rather not deal with honestly. I could buy coir, but I see people say "The higher ratio spawn:coir/verm you use, the better odds you have of beating contams" and I also see people use grains for bulk cakes. Assuming I dunk my grains before, would using just them work? It would be kinda like a ratio of 1:0, lol.

Anyways, I have everything ready to go, fully colonized clean plates for inoculation (cubes, btw, forgot to mention that), etc. So I need to know how many jars to prep today. If I must use coir or using only straw would work, I will only do 2 jars, but if straight grains is okay, I can whip up 4.


Edited by MortySmith (11/12/16 12:38 PM)


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OfflineTheShroomster01
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Re: Straight grains or only straw? [Re: MortySmith]
    #23825955 - 11/12/16 01:36 PM (7 years, 2 months ago)

You've probably seen it. But RR's straw tek.
He uses only straw in his laundry and strawlog tek.

I've also seen people use a straw/coir/gypsum mix in monos so you'll be fine there too.

You can fruit the grains themselves but you should case them though.
I'm not sure how it would effect the yield but i think it'll be less than if you mix it with substrate.


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OfflineMortySmith
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Re: Straight grains or only straw? [Re: TheShroomster01]
    #23828657 - 11/13/16 10:54 AM (7 years, 2 months ago)

RR was actually the reason I got the straw, for my oysters! Well, and my ducks.  :tongue:  I guess I didn't know his tek applies to cubes as well, because of all the straw/hpoo grows I usually see with them. I will try just straw then, since I am already set for supplies.


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InvisiblePastywhyteMDiscord
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Re: Straight grains or only straw? [Re: MortySmith]
    #23828692 - 11/13/16 11:05 AM (7 years, 2 months ago)

Straight straw is tricky. Generates a lot of heat and is a bit of a contam magnet. I like to save straight straw for invitro projects where I suppliment the straw with flour and colonize sterile. Then case and top fruit.

In a spawned bulk sub straw is best mixed with coir or manure or both. It does hold a lot of water so a little goes a long way.


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OfflinePeacefrog
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Re: Straight grains or only straw? [Re: Pastywhyte]
    #23828993 - 11/13/16 12:29 PM (7 years, 2 months ago)

Personally I used to grow cubes exclusively off of cased straw and loved the results. It was my bulk substrate of choice back then, before I found an abundant source of free horse poo.

Pasty is spot on by it being a contam magnet, but if pasteurized correctly and one were to use clean spawn, it is a very nice and versatile substrate to work with IMO. I only use it now for oysters, but I had some good flushes back when. I even tested straw once by pasteurizing, letting it drain like normal, and placing in a tub without spawning. It stayed clean for 11-12 days before the green monster showed up.

My 2 cents. 

Good luck.


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OfflineTira
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Re: Straight grains or only straw? [Re: Peacefrog]
    #23829259 - 11/13/16 01:33 PM (7 years, 2 months ago)

IMO poo is worth dealing with.  I use sheep poo as it's easier for me to get and I love the results .)


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Offlinetump
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Re: Straight grains or only straw? [Re: Tira]
    #23829303 - 11/13/16 01:50 PM (7 years, 2 months ago)

If you dont have a lot of grain spawn i would just spawn to straw bricks with bread bags. Mini logs rock


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OfflineMortySmith
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Re: Straight grains or only straw? [Re: Peacefrog]
    #23831267 - 11/14/16 06:07 AM (7 years, 2 months ago)

Quote:

tump said:
If you dont have a lot of grain spawn i would just spawn to straw bricks with bread bags. Mini logs rock



Hmm, that actually sounds like a great idea! How do you fruit that? Just a SGFC big enough? Like a bulk cake essentially? Or..?
I am going with monotub for now though, or rather, mini dub tub I think they are called, because I found a bunch of perfect little plastic shoe boxes haha. I have enough for 3, but I am starting with just 1 as a test run since it is my first time I will be spawning to bulk. I have well enough grain though, it is seriously dirt cheap for oats lol.

Quote:

Pastywhyte said:
Straight straw is tricky. Generates a lot of heat and is a bit of a contam magnet. I like to save straight straw for invitro projects where I suppliment the straw with flour and colonize sterile. Then case and top fruit.

In a spawned bulk sub straw is best mixed with coir or manure or both. It does hold a lot of water so a little goes a long way.




I get the contam part, but why is heat a problem? Oh, or is the heat the reason it is a contam magnet? What if its in a colder climate? It is about to be winter so I expect the ambient temperature to drop. Not sure if that makes a difference for the heat generation in the substrate you are talking about though.

Quote:

Peacefrog said:
Personally I used to grow cubes exclusively off of cased straw and loved the results. It was my bulk substrate of choice back then, before I found an abundant source of free horse poo.

Pasty is spot on by it being a contam magnet, but if pasteurized correctly and one were to use clean spawn, it is a very nice and versatile substrate to work with IMO. I only use it now for oysters, but I had some good flushes back when. I even tested straw once by pasteurizing, letting it drain like normal, and placing in a tub without spawning. It stayed clean for 11-12 days before the green monster showed up.

My 2 cents. 

Good luck.



I am alright with that I think. So you are saying as long as you do everything properly and cleanly, it should work fine? This seems like something my "mini dub tubs" will be good for. If I did mess up the pasteurization process or had a hidden contam in the spawn, I would only be out what, 2 jars of grain. That is just a few cents of oats and straw and one plate of agar. Not much of a loss vs a bigger monotub or log, except for that mini log idea lol.


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Offlinetump
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Re: Straight grains or only straw? [Re: MortySmith]
    #23834438 - 11/15/16 04:02 AM (7 years, 2 months ago)

I fruit my mini logs in a green house last year. But thats cause im lazy and results were ok. Just spawn by mixing the straw and spain up together and then stuffing it in your bread bags full and pokeing litte holes everywhere around it. The smal holes are needed for ge and to drain excess water form straw. Cut away plastic when pins form under the plastic. In my green house i had a shit ton and dailed it in with no plastic cocing the logs. If you just have the one or two mini log you can cut the plastic on a table or counter and make a tent with that cut away plastic to keep water loss to min. What they mean about straw being a contam magnet is if its too wet, to dry,  touched by a contam vector of mold like a shovel with a little bit of dirt then the whole project fails. It will contaminate faster then just about anything else because other mold spores are growing on it outside and those mold can and will germinate on straw. Vs coir they wont. If you doing dub tubs with straw i advise a liner and a pure verm casing on top and bottom.


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