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OfflineFerment
Stranger
Registered: 11/10/04
Posts: 99
Loc: NE USA
Last seen: 16 years, 5 months
BRF cakes at 135deg F? (UPDATE: it's alive!)
    #3450894 - 12/06/04 02:05 AM (18 years, 5 days ago)

So, I started this batch 3 days ago. First day, temps were fine. For the second day, temps dropped down to about 60 degrees. For the third day, temps got up to about 135deg F (fixing the temp of the second day, I forgot to put the external temperature gauge into the TiT, my 10 gal TiT was heated for about 24hours nonstop by a 150watt submersible heater). I know mushroom death occurs at about 105deg F, but spores likely last for longer. I'm pretty much assuming that these buggers are dead, but I'll keep 'em at normal heat for a few days anyway. Anyone ever had anything similar happen? Did they recover?


Edited by Ferment (12/13/04 11:25 PM)


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Offlinekraj
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Registered: 09/01/04
Posts: 382
Last seen: 2 years, 5 months
Re: BRF cakes at 135deg F? [Re: Ferment]
    #3450914 - 12/06/04 02:10 AM (18 years, 5 days ago)

Oh good lord, how did it get that hot?!

Anyways i've never had jars get that hot, but i've had em freeze in dunks. I guess time will tell.


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OfflineFerment
Stranger
Registered: 11/10/04
Posts: 99
Loc: NE USA
Last seen: 16 years, 5 months
Re: BRF cakes at 135deg F? [Re: kraj]
    #3450929 - 12/06/04 02:15 AM (18 years, 5 days ago)

Quote:

kraj said:
Oh good lord, how did it get that hot?!

Anyways i've never had jars get that hot, but i've had em freeze in dunks. I guess time will tell.




Like I said, I forgot to put the external temperature guage from the submersible heater in to the tub itself. So the heater kept heating, but the guage was sitting outside the tub, so the heater never knew that the tub's inside was getting hotter and hotter. My stand-alone thermometer shows a max. temp of 132 degrees, which is what it was when I found it.
-ferment


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OfflineKingBahamut
visiting goon

Registered: 11/16/04
Posts: 56
Last seen: 17 years, 9 months
Re: BRF cakes at 135deg F? [Re: Ferment]
    #3450982 - 12/06/04 02:33 AM (18 years, 5 days ago)

This is why I'm glad I was too cheap to get anything higer than a 50watt. I did the same thing but when I got back my jars were at 90 degrees F.


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Offlineselfinfliction
The Jew
Registered: 08/11/04
Posts: 55
Last seen: 14 years, 1 month
Re: BRF cakes at 135deg F? [Re: KingBahamut]
    #3451029 - 12/06/04 02:53 AM (18 years, 5 days ago)

i had a set of 48 hour old (after innoc)grain jars get in the same perdicament as you they were up about 110+ degrees for 10 hours, they are partially growing now, one jar is almost complete, another is about1/3 and the last is not doing anything. i believe the excess heat also caused the mycellium piss to form in the jars as well.

you should hang onto the jars, no reason to waste them, something might still come of them like mine


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Offlinelemon_lw
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Registered: 10/18/04
Posts: 3,622
Loc: That Way
Last seen: 15 years, 2 months
Re: BRF cakes at 135deg F? [Re: selfinfliction]
    #3451735 - 12/06/04 05:21 AM (18 years, 4 days ago)

well mycelium death is 106F. so you exceeded that by far. the question is did the middle of the substrate get above 106F, one way to find out, time.


--------------------
In the belly of the Leviathan, one can either despair and perish, or be cheerful and persevere.-Dean Koontz


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OfflineFerment
Stranger
Registered: 11/10/04
Posts: 99
Loc: NE USA
Last seen: 16 years, 5 months
Re: BRF cakes at 135deg F? [Re: lemon_lw]
    #3451790 - 12/06/04 05:36 AM (18 years, 4 days ago)

Quote:

lemon_lw said:
well mycelium death is 106F. so you exceeded that by far. the question is did the middle of the substrate get above 106F, one way to find out, time.




A day of sitting in that water almost certainly got the cenbter above 106, but I'd like to think that there's a chance that the spores hadn't all germinated yet, so while germinated spores may have died off, if there were any spores left, they may yet germinate. Time will tell, as you said. Cooking some Karo in case of the likely.


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Offlinephantasm
DXM GURU
Registered: 09/11/04
Posts: 801
Last seen: 15 years, 2 months
Re: BRF cakes at 135deg F? [Re: Ferment]
    #3451855 - 12/06/04 05:48 AM (18 years, 4 days ago)

no offense but i think even spores would die at 135 degrees thats damn hot but GL man i hope it works

-mike


--------------------
Only God Grows Amanita Muscaria


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OfflineFerment
Stranger
Registered: 11/10/04
Posts: 99
Loc: NE USA
Last seen: 16 years, 5 months
Re: BRF cakes at 135deg F? (UPDATE: it's alive!) [Re: Ferment]
    #3491743 - 12/13/04 11:36 PM (17 years, 11 months ago)

Incredible! So I had about 18 cakes that this happened to. half of them Cambodians, half of the T.H.E's new China-Yunnan strain. The latter strain was stacked on top of the other, so the they were probably heated just a little bit less. I had just about put them away for dead, when Saturday, 6 days after the heating episode and some 8 or 9 days after the inoculation, one of the China-Yunnan jars showed signs of germination. In fact, 3 of 4 innoc points are growing healthy myc. Judging from the fact that 3 of the 4 spots didn't die, I would think that that jar was probably heated the least. But I can't imagine that it was heated to anything less than 125deg. Incredible! I'll bet the  strains that grow out will be rather heat-resistant. If anyone is growing in Death Valley, let me know :smile:


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Offlinelemon_lw
Stranger

Registered: 10/18/04
Posts: 3,622
Loc: That Way
Last seen: 15 years, 2 months
Re: BRF cakes at 135deg F? (UPDATE: it's alive!) [Re: Ferment]
    #3492409 - 12/14/04 01:18 AM (17 years, 11 months ago)

i would guess that the inside of your substrate didnt get to hot.


--------------------
In the belly of the Leviathan, one can either despair and perish, or be cheerful and persevere.-Dean Koontz


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