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Offlineemphatik
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g2g ratio & grain to substrate ratio
    #18771516 - 08/29/13 12:59 AM (10 years, 5 months ago)

Hi.
Suppose I have an oyster mushroom culture transferred to a pint of spawn.
Scenario A:
I want to do a g2g transfer into new 5 pint jars. And then do a 1:4 ratio of spawn to bulk.

Scenario B:
Instead of doing the g2g transfer, what if I had used the original pint of spawn and directly grew it to bulk using a 1:20 ratio?

Even though scenario A has a grain to bulk ratio of 1:4, in actuality the original pint has been multiplied into 25 pints; albeit with 4 extra cups of grain during the g2g transfers.

Can I circumvent the g2g transfer, settle with Scenario B for comparable results?

The substrate I'm trying is newspaper..
Is Scenario B a good idea?
You may choose only one


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OfflinePussyFart
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771525 - 08/29/13 01:04 AM (10 years, 5 months ago)

G2G it out and then spawn, but I would suggest G2G'ing to quart jars.

It will take just as long in the end.

If you used a 1-20 ratio, it would take 3+ weeks to colonize fully.


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OfflineBlake_Shroom
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771528 - 08/29/13 01:06 AM (10 years, 5 months ago)

G2G into 6 pint jars, spawn the 5, then G2G some more and grow a ton of those tasty oysters


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Offlineemphatik
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Re: g2g ratio & grain to substrate ratio [Re: Blake_Shroom]
    #18771584 - 08/29/13 01:44 AM (10 years, 5 months ago)

thanks for your quick replies guys.

Yup so  I realize that colonization times would take longer. And if it would take just as long in the end, then I thought why not try and cut corners?
If I ground up 4 extra jars of non-colonized grain and pasteurized it with the sub, would it give me comparable size fruits to a proper g2g'd grow?

Putting aside colonization time, the only difference between the two seems the amount of grain. So then why not supplement the bulk sub with the grain that would otherwise have been used for the g2g, & skip the intermediary step?


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OfflinePussyFart
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771603 - 08/29/13 01:55 AM (10 years, 5 months ago)

Because, you would still have only 1 pint of inoculation points.

And if you ground up grains and pasteurized them, they would most likely contaminate the substrate.

You want to only add fully colonized grains into the substrate.


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Offlinemushrume man
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771608 - 08/29/13 01:59 AM (10 years, 5 months ago)

Grain would contam by the time it colonized. the supplemented grain being uncolonized is a sitting duck


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Offlineemphatik
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771611 - 08/29/13 02:00 AM (10 years, 5 months ago)

Hey hacker. thx again.
No uncolonized grain then
So then the only difference between scenario A & b here are colonization times?
Also what grain to bulk ratios would you suggest/use?


Edited by emphatik (08/29/13 02:01 AM)


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OfflinePussyFart
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Re: g2g ratio & grain to substrate ratio [Re: emphatik]
    #18771615 - 08/29/13 02:03 AM (10 years, 5 months ago)

Quote:

emphatik said:
So then the only difference here are colonization times?



When you go that low with the spawn ratio, yea.

The longer it takes to colonize, the more time there is for the substrate contaminate honestly.

Quote:

emphatik said:
Also what grain to bulk ratios would you suggest/use?



1-2 spawn to substrate or better.

That is the ratio I use and my tubs usually fully colonize in 10 days or less.


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Offlineemphatik
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Re: g2g ratio & grain to substrate ratio [Re: PussyFart]
    #18771622 - 08/29/13 02:11 AM (10 years, 5 months ago)

thanks a bunch hacker..
Guess ill have to wait a while before my sub's done colonizing.


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