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Offlineshakezilla
Loner with a boner
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Registered: 08/19/12
Posts: 24
Loc: NW United States
Last seen: 3 years, 6 months
BRF cakes came out of PC looking way too small? * 1
    #27306379 - 05/12/21 09:42 PM (3 years, 8 months ago)

I made up some BRF jars yesterday and they came out of the PC looking like they had shrunk down way too far. I used a normal 2:1:1 recipe of verm, water, and BRF and PC'd them for 60mins at ~15-17 PSI with foil over the lids. I waited for the pressure to drop and then removed the jars and let them cool on the countertop. Here's some pics of the two worst looking jars


All of the jars were filled up with BRF mixture (I shook each jar against my hand to tamp down the mixture without packing it down using the spoon so that there were no pockets of air) and then topped with about a half inch of dry verm that I leveled off before screwing on the lids. So you can see that they shrank down quite a bit. This is the first time I've ever had this problem so I'm not sure what I did wrong or how to prevent it next time. My plan is to just dump all of these and try again but I'm not sure what to do differently next time.

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InvisibleMilk-away
'Mmkay fortyseven
I'm a teapot User Gallery


Registered: 02/04/21
Posts: 249
Re: BRF cakes came out of PC looking way too small? [Re: shakezilla]
    #27306408 - 05/12/21 10:34 PM (3 years, 8 months ago)

Happened to me too, I just packed the BRF mix tighter next time, so it wouldn't (have that much air inside)shrink that much.
You can still use those, but I suggest you inoculate in an SAB, take the lid off the jar and stab the cake with your red hot needle, careful not to have things hanging above the open jar.
Otherwise you might get bacterial or mold contam if you just poke the lid with your needle and let the spore solution sit in the open air.


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...Let go...

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InvisibleGoatrider
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Registered: 04/08/20
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Re: BRF cakes came out of PC looking way too small? [Re: Milk-away]
    #27306488 - 05/13/21 01:23 AM (3 years, 8 months ago)

Just tap the sides of the jar and look to get it to settle a bit.
I`d never push down from top.
Also don`t overdo with packing too tight next time.
The rim should be proper cleaned beforehand.

                :cookiemonster:


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Offlineshakezilla
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Registered: 08/19/12
Posts: 24
Loc: NW United States
Last seen: 3 years, 6 months
Re: BRF cakes came out of PC looking way too small? [Re: Goatrider] * 1
    #27307457 - 05/13/21 07:48 PM (3 years, 8 months ago)

Quote:

Goatrider said:
Just tap the sides of the jar and look to get it to settle a bit.
I`d never push down from top.
Also don`t overdo with packing too tight next time.
The rim should be proper cleaned beforehand.

                :cookiemonster:



Alright I made some new jars today. The first jars I made I was already tapping the sides to get it to settle and wasn't pushing down from the top at all except to even out the top before putting the dry verm layer down. I also cleaned the rims with paper towels every time I've done it.

But this time I'm going to leave them to cool in the PC instead of taking them out as soon as the pressure drops. That's the only thing I can think of that's different from the BRF jars I've made in the past.

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OfflineLieutenant Pan
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Registered: 09/11/20
Posts: 353
Last seen: 1 month, 23 days
Re: BRF cakes came out of PC looking way too small? [Re: shakezilla]
    #27310442 - 05/15/21 09:43 PM (3 years, 7 months ago)

if you're pressure cooking switch to grains if you can buy locally.  You didn't have to make new jars.


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I never thanked ya fer saving my life.

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InvisibleAshtray161
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Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: BRF cakes came out of PC looking way too small? [Re: Lieutenant Pan]
    #27310501 - 05/15/21 10:26 PM (3 years, 7 months ago)

Quote:

Lieutenant Pan said:
if you're pressure cooking switch to grains if you can buy locally.  You didn't have to make new jars.




I disagree completely.
Keep doing what ur doing man ur on the right track. Dont listen to this ass hat.
PF Tek and BRF is the best thing to go for in a first grow or a thousandth grow IMO.


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(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312

Edited by Ashtray161 (05/15/21 10:26 PM)

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OfflineLieutenant Pan
Stranger

Registered: 09/11/20
Posts: 353
Last seen: 1 month, 23 days
Re: BRF cakes came out of PC looking way too small? [Re: shakezilla]
    #27310509 - 05/15/21 10:39 PM (3 years, 7 months ago)

I had to ignore ashtray because the comments were getting unreal.  Now I don't have to see their comments ever again muahahaha


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I never thanked ya fer saving my life.

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InvisibleAshtray161
SettledNomad
Other


Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: BRF cakes came out of PC looking way too small? [Re: Lieutenant Pan]
    #27310534 - 05/15/21 11:09 PM (3 years, 7 months ago)

Quote:

Lieutenant Pan said:
I had to ignore ashtray because the comments were getting unreal.  Now I don't have to see their comments ever again muahahaha




Oh thank god


--------------------
(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312

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Offlineshakezilla
Loner with a boner
Male


Registered: 08/19/12
Posts: 24
Loc: NW United States
Last seen: 3 years, 6 months
Re: BRF cakes came out of PC looking way too small? [Re: Lieutenant Pan]
    #27311244 - 05/16/21 01:58 PM (3 years, 7 months ago)

I'm starting from MSS so I chose BRF to reduce chance of contams etc.

Once I get to the point that I can clone fruits to agar then I'll swap over to grains or something else.

By the way, my most recent jars came out much better but still pretty shrunken compared to the original jars. It must be this new BRF brand that I'm using. Either way, they seem fine otherwise so I'm going to try them out.

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OfflineLieutenant Pan
Stranger

Registered: 09/11/20
Posts: 353
Last seen: 1 month, 23 days
Re: BRF cakes came out of PC looking way too small? [Re: shakezilla]
    #27311309 - 05/16/21 02:46 PM (3 years, 7 months ago)

shakezilla if you're pressure cooking you're already a step above BRF.  If you can find RR's Lets grow mushrooms grain prep  video you'll see it's as easy as BRF.  Regardless your substrate is your preference.  I doubt shrinkage will ruin anything since you pressure cooked. 

IF you pasteurized on stovetop instead like a beginner then you don't want the shrinkage.


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I never thanked ya fer saving my life.

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