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Offlinekidentropy
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Registered: 11/08/05
Posts: 7
Last seen: 16 years, 11 months
PDY broth - what is "tender"?
    #4932402 - 11/14/05 01:21 PM (18 years, 4 months ago)

Okay, my first foray into the boards of the shroomery...I have lurked long...behold! the delurking! :smile:


I have been reading up on mycelium cultivation in liquid substrate for quite some time. Most of what I have read seems to be very straightforward, but one thing keeps nagging at me.

The Psilocybin Producer's Guide that outlines the process of growing in PDY broth says to boil 1/8" sliced potatoes in distilled water until "tender". This brings me to my conundrum:

What, exactly, is "tender"? Suppose someone interpreted "tender" as meaning "cracks/falls apart when tapped with spoon/spatula" and prepared PDY broth as instructed in the Guide. Is this enough? Do they need to be disentigrating in the water? In other words, how does that person know she hasn't undercooked the potatoes?

In at least one procedure for making PDYA for cultures, it is suggested to boil them for 30 minutes. Is this what one should go by, or should they just be really soft and disintegrate fairly easily?

And, anyway, what exactly does boiling these potatoes  extract from them in the way of nutrients for the mycelium? I have not found this detailed anywhere.

Non-flames much appreciated :wink: I hope I haven't overlooked something.

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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4932448 - 11/14/05 01:31 PM (18 years, 4 months ago)

tender means that if someone throws that potato against your head it would smoosh and make a mess instead of knocking you out cold.

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Offlinekidentropy
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Registered: 11/08/05
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Last seen: 16 years, 11 months
Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4932489 - 11/14/05 01:39 PM (18 years, 4 months ago)

well if that's the case our hypothetical experimenter is on the fast track to la-la land :wink:

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Offlinekidentropy
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Registered: 11/08/05
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Last seen: 16 years, 11 months
Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4932529 - 11/14/05 01:51 PM (18 years, 4 months ago)

ahh starches. I was wondering about what (other than sugars) were being extracted in the boil (simply because you add dextrose anyway, one wonders what's the point). But if it needs starches.... Ok. Cool.

Well, they were definitely very tender...I suppose what raised the question in my mind was running across the instruction to boil the slices for 30 minutes in a PDYA recipe. Made me doubt if my hypothetical buddy boiled sufficiently long enough and he didn't really want to waste time & spores to find out; better to ditch it and re-do.

But he thinks he'll give it a go. Thanks for the reassurance :wink:

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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: PDY broth - what is "tender"? *DELETED* [Re: kidentropy]
    #4932539 - 11/14/05 01:55 PM (18 years, 4 months ago)

Post deleted by Corporal Kielbasa

Reason for deletion: .


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Offlinekidentropy
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Registered: 11/08/05
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Last seen: 16 years, 11 months
Re: PDY broth - what is "tender"? [Re: Corporal Kielbasa]
    #4932557 - 11/14/05 02:00 PM (18 years, 4 months ago)

yessuh, PDY indeed.

god I love health food stores.

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Offlinekidentropy
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Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4932585 - 11/14/05 02:08 PM (18 years, 4 months ago)

"Uh, no officer, I'm just canning this winter's PDY gravy"

Heh.

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Offlineblackout
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Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4936037 - 11/15/05 04:00 AM (18 years, 4 months ago)

The Psilocybin Producer's Guide, AKA bullshit.
I hope you are just making agar and not wasting your time trying to harvest myc as instructed in that guide.

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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: PDY broth - what is "tender"? [Re: blackout]
    #4937647 - 11/15/05 03:32 PM (18 years, 4 months ago)

ditto

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Offlinekidentropy
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Re: PDY broth - what is "tender"? [Re: blackout]
    #4940911 - 11/16/05 09:47 AM (18 years, 4 months ago)

Quote:

blackout said:
The Psilocybin Producer's Guide, AKA bullshit.
I hope you are just making agar and not wasting your time trying to harvest myc as instructed in that guide.




Why is this?

I have read of people having trouble with it, but is there some specific reason it will not work? Do you have personal experience with this method failing to produce?

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Offlineblackout
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Re: PDY broth - what is "tender"? [Re: kidentropy]
    #4941163 - 11/16/05 10:57 AM (18 years, 4 months ago)

Yes I messed around with the idea with poor results. Most experienced members here say it is bullshit. It is too risky contamwise. If you had a proper commercial reactor setup it maybe worthwhile, but messing with 1000's of jars is not worth the effort for the yeild. I believe his yeild figures are out by a factor of 10, I think he actually did make a mistake with a decimal place. I also believe he never did a setup like he mentioned. Many would say it is a "stoners profound idea", like if you are stoned sitting round and doing the old "yeah, yeah, and if we got 10,000 jars we'd have millions of doses", except instead of waking up and realising it was a stupid idea he went ahead and published a book on it.

Agar is the only person I have heard of doing it in bulk. I have a 50litre keg with heater which could be altered to do a good grow. He said it is not worth repeating. I also do not beleive the myc is as strong as Gottlieb claims, so his dosages are way off, maybe yeilds of 1/30 what he claims, dose wise.

http://www.shroomery.org/forums/showflat.php?Cat=0&Board=Forum2&Number=4243857

Edited by blackout (11/16/05 11:46 AM)

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