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InvisibleDT2K
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Registered: 10/21/05
Posts: 69
Spawn Bag Positioning
    #5901353 - 07/26/06 08:40 AM (17 years, 6 months ago)

What is the general opinion about spawn bag positioning? Do people stand them up or lay them down? I figured air circulation would be better if they were laying down thereby inreasing growth rate. Any truth to that?


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OfflineBabo911
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Re: Spawn Bag Positioning [Re: DT2K]
    #5901358 - 07/26/06 08:43 AM (17 years, 6 months ago)

What are you growing?

Different exotic and eatable strands do better with different spawn bag prpeerations


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Offlinethenewguy05
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Re: Spawn Bag Positioning [Re: Babo911]
    #5901392 - 07/26/06 09:13 AM (17 years, 6 months ago)

i stand mine right up straight


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InvisibleTippinthru
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Registered: 04/07/05
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Re: Spawn Bag Positioning [Re: DT2K]
    #5901421 - 07/26/06 09:24 AM (17 years, 6 months ago)

It depends on the size, style, filter, and number of bags.



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Perfection is attained by slow degrees; it requires the hand of time...
[


Edited by Tippinthru (07/26/06 10:02 AM)


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OfflineRogerRabbitM
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Re: Spawn Bag Positioning [Re: Tippinthru]
    #5901478 - 07/26/06 09:48 AM (17 years, 6 months ago)

It makes little difference. The heat produced by the colonizing mycelium will create circulation within the bag, allowing gas exchange through the filter regardless of position as long as you don't do something silly such as sticking them in some sort of incubator. Bags or jars colonizing at room temperature on an open shelf will vent just fine standing upright.
RR


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semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
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InvisibleOmnicracker
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Re: Spawn Bag Positioning [Re: RogerRabbit]
    #5901492 - 07/26/06 09:57 AM (17 years, 6 months ago)

wouldn't light be an issue if they were sitting out on an open shelf?


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OfflineEquilibriuM
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Registered: 07/17/05
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Re: Spawn Bag Positioning [Re: Omnicracker]
    #5901524 - 07/26/06 10:16 AM (17 years, 6 months ago)

Quote:

Omnicracker said:
wouldn't light be an issue if they were sitting out on an open shelf?




closet?


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HELP!!!!!!!!!


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InvisibleOmnicracker
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Re: Spawn Bag Positioning [Re: EquilibriuM]
    #5901554 - 07/26/06 10:30 AM (17 years, 6 months ago)

thats not an open shelf. i dont get any airmoving through my closet, not to metion that if its warm in the growroom (90deg) is going to be warmer in a closet full of tubs, bags, and trays.
as i just learned the hard way...


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xxx..Learn Something..xxx


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Invisiblecreamcorn
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Re: Spawn Bag Positioning [Re: EquilibriuM]
    #5901564 - 07/26/06 10:34 AM (17 years, 6 months ago)

light during colonization is really not an issue at all despite some popular myths... mycelium rarely to never enters fruiting stage when there's still uncontaminated food to be eaten, light or no light. IMO darkness isn't necessary until you reach 100% colonization. i like to keep it in the dark from that point on though, until its time to initiate pinning.


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InvisibleOmnicracker
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Re: Spawn Bag Positioning [Re: creamcorn]
    #5901571 - 07/26/06 10:37 AM (17 years, 6 months ago)

thats the rumor ive been hearing. a lot of old 'rules' seem to be cracking up here at the shroomery lately, i like.


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Invisiblecreamcorn
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Re: Spawn Bag Positioning [Re: Omnicracker]
    #5901586 - 07/26/06 10:44 AM (17 years, 6 months ago)

well i've always thought it funny that in TMC for example, stamets on the one hand suggests things must be incubated in total darkness, then in another section cites a study where it was found that as little as 1ms light exposure a day is enough to trigger pinning (thats less light than say a camera flash going off)... so depending on who you want to believe, if you peek at your jars to monitor progress, you've given them enough light already to nullify the total darkness thing. so there's conflicting info right there off the bat. perhaps there is an advantage to total darkness, but its so insignificant i don't think anybody will ever notice it. the whole combination of all your pinning triggers when applied correctly gives good results regardless. many incubate in open light with absolutely 0 problems.


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OfflineRogerRabbitM
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Re: Spawn Bag Positioning [Re: creamcorn]
    #5901629 - 07/26/06 11:03 AM (17 years, 6 months ago)

Light is vastly overrated as a pinning trigger. It's true that in TMC stamets says "incubate in total darkness", but one must remember that mushroom cultivation was still in its infancy when he wrote that book, and he used the best information he had available at the time. You can't fault him for that. Ten years later when he wrote GGMC, he corrected himself and writes that "light has little to no effect on colonizing mycelium, either good or bad".

I've incubated on an open shelf at normal room temperature and normal room lighting for many years and have never had a problem with premature pinning. If a jar or spawn bag pins before full colonization, it is almost always a sign of contamination in the uncolonized portion, and the natural defense mechanism of the fungi is to reproduce so as to ensure its survival. You have to remember, we've seen lots of posts from people who have incubated in total darkness and still had premature pinning, then discovered when they opened the jar or bag a horrible smell. The mycelium was following the orders that evolution has programmed into it to survive. It wasn't the light.

There is a good time to use total darkness however, and it's for the last week or so of casing colonization so that the three main pinning triggers of full colonization, massive reduction in CO2 levels AND light can all be applied at once for maximum bang for the buck when it's time to fruit. I hope this helps once again to clear up any confusion.
RR


--------------------
Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison


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