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OfflineChronicBarry
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Registered: 08/15/04
Posts: 155
Loc: Bat Country
Last seen: 15 years, 10 months
Pasteurizing coir/coffee
    #8009039 - 02/11/08 02:33 PM (16 years, 1 month ago)

I'm preparing my spawn and I'm wondering if I should pasteurize my spent coffee w/ the coco coir. I'm going to heat up water b/w 140-170 degrees and allow it to sit for an hour. I feel like pasteurizing coffee w/ coir will make a mess. Am I going about this correct?


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Invisiblexrommy
portable back garden


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Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8009055 - 02/11/08 02:38 PM (16 years, 1 month ago)

yeah you got it.

i use two pots. one inside another. i pasteurize for longer time thought. use meat thermometer to read temps, once substrate reaches temp of 160 in the middle, pasteurize for 2 hours. no mess, when ready to spawn, take the pot and dump your substrate out.

=]

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OfflineHybridprX
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Re: Pasteurizing coir/coffee [Re: xrommy]
    #8009172 - 02/11/08 03:00 PM (16 years, 1 month ago)

All that work is excessive for bulk spawn preparation.

Bring a pot of water to a boil for five minutes, remove from the element. Add your coir/coffee and let sit in the hot water for a hour and a half.

Drain SLOWLY threw a colander and I stress slowly since coffee grounds can easily fall threw under the water/coir weight.

Let it stand for about a hour, squeeze out as much water as possible, wait another hour and then give it a good hand squeeze into a bucket/sink prior to adding it to your bucket/tub/whatever

Coir does retain ALOT of water so I also stress that you leave any excess to steam off for that hour and then squeeze it and wait another hours before the final product is ready for use, to much moisture leads to slow spawn runs and possible contamination.

After the spawn run is complete you can just give it a 18-20 hour dunk prior to applying the casing layer.


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Invisiblelarge_dose
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Re: Pasteurizing coir/coffee [Re: HybridprX]
    #8009388 - 02/11/08 03:58 PM (16 years, 1 month ago)

you should just follow the instructions on how much water to add to the coir to make sure that you get the water content correct.

refer to my journal for a bulk method of preparing coir/coffee...
one could do 10 bricks in a couple hours with the same pot on your stove.

http://www.shroomery.org/forums/showflat.php/Cat/0/Number/7953949/an/0/page/0

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Invisiblekupa trooper
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Re: Pasteurizing coir/coffee [Re: large_dose]
    #8009420 - 02/11/08 04:10 PM (16 years, 1 month ago)

Turkey bags!! Bring all ingredients to field capacity together add to bags hour hour and a half at 160 let cool and done:thumbup::gd_icon:


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I don't know but I've been told. It's hard to run with the weight of gold                                                                  On the other hand I heard it said. It's just as hard with the weight of lead.

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OfflineChronicBarry
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Registered: 08/15/04
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Re: Pasteurizing coir/coffee [Re: kupa trooper]
    #8009507 - 02/11/08 04:42 PM (16 years, 1 month ago)

Large dose, I read your method. Bring the substrate to 190-200, won't that kill some of the nutes? Also, when everything is in the PC, you say to put on high for 5 mins. I'm assuming your keeping the valve open so pressure doesn't build and when u say set on high, you put the stove on high for 5 mins, correct?

I didn't plan on using verm in my substrate. Is that really necessary since coir holds a ton of moisture as it is? I'm assuming the ratio for field capacity with coir is 1 gallon of water per brick.


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Invisiblelarge_dose
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Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8009564 - 02/11/08 04:55 PM (16 years, 1 month ago)

keep the valve open, just put the lid on top of the pot.
once you dump into the buckets it'll loose 10 or so degree's.

Once the substrate is in the buckets i probe it with a meat thermometer. It says around 175 for an hour.

vermiculite isnt necessary, i just throw it in there to fluff up the substrate and hold a bit of water.

the avg brick of coir holds 1 gal water.

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Invisibleblood4blood
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Registered: 04/25/07
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Re: Pasteurizing coir/coffee [Re: large_dose]
    #8009699 - 02/11/08 05:22 PM (16 years, 1 month ago)

this is a really good tek for past. coir/coffee.

http://www.shroomery.org/forums/showflat.php?Cat=0&Board=2&Number=7514176

Edited by blood4blood (02/11/08 05:23 PM)

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OfflineChronicBarry
Willy Wonka'sIntern

Registered: 08/15/04
Posts: 155
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Re: Pasteurizing coir/coffee [Re: blood4blood]
    #8009799 - 02/11/08 05:41 PM (16 years, 1 month ago)

Yea, I've read that before but I plan pasteurizing and spawning right after. I'll let the coir/coffee cool and drain in a colander till field capacity. Should I break up the brick while it's pasteurizing or should i just let it float and it'll work it's magic?


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OfflineTerillius
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Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8009828 - 02/11/08 05:48 PM (16 years, 1 month ago)

I do 1/3 cup bleach to 3 gallons hot water. Let it sit for 1 hour. Easy. Drain through a colander or bucket with holes and screen in the tub. You can add 1/3 cup hydrated lime if you have it to swing pH a little more.

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Invisibleblood4blood
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Registered: 04/25/07
Posts: 6,029
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Re: Pasteurizing coir/coffee [Re: Terillius]
    #8009845 - 02/11/08 05:50 PM (16 years, 1 month ago)

if you add the 1 gallon per brick you can jsut wait till it absorbs the water before you break it up. it will usually soak up most of the water. id go a little less than 1 gallon per brick.

ive never heard of adding lime to your coir or bleach to your soak water. lime are for casings ive always been told.

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OfflineChronicBarry
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Registered: 08/15/04
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Re: Pasteurizing coir/coffee [Re: blood4blood]
    #8010444 - 02/11/08 07:42 PM (16 years, 1 month ago)

So I brought a little over a gallon of water to about 180 degrees then put it in my tub with coco/coffee. Then let it sit for an hour and a half. when I went to check on it, the brick was still intact. I started breaking it up till I noticed the inside was bone dry. I crumbled everything up so it absorbed the excess water. Should I re-pasteurize so everything is exposed to the hot water or am I good?


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OfflineTerillius
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Re: Pasteurizing coir/coffee [Re: blood4blood]
    #8010459 - 02/11/08 07:44 PM (16 years, 1 month ago)

Quote:

blood4blood said:
ive never heard of adding lime to your coir or bleach to your soak water. lime are for casings ive always been told.




The real point in adding the lime is for pasteurizing, but it works mostly by pH swing. It isn't hard to argue that coir doesn't need any treatment before spawning, given how resitant it is to infection, but this is hands down the best way to pasturize things in my opinion.

The whole stovetop thing is the biggest pain in the ass ever.

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Invisibleblood4blood
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Registered: 04/25/07
Posts: 6,029
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Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8010469 - 02/11/08 07:45 PM (16 years, 1 month ago)

id def re-pasteurize.

what i do is i get all the coir to field capacity and load them into jars and follow this tek for pasteurization. it takes a little longer but i know it works.

http://www.shroomery.org/forums/showflat.php/Number/5998572#Post5998572

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Invisiblethedefone
deus ex machina

Registered: 10/06/07
Posts: 1,883
Loc: Gondwana
Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8010492 - 02/11/08 07:48 PM (16 years, 1 month ago)

Re-pasteurize. Take all this with a grain of salt, but when using water for pasteurization, the water is what is transmitting the heat. Since the water never got to the core, chances are the heat didn't either.



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OfflineChronicBarry
Willy Wonka'sIntern

Registered: 08/15/04
Posts: 155
Loc: Bat Country
Last seen: 15 years, 10 months
Re: Pasteurizing coir/coffee [Re: blood4blood]
    #8010503 - 02/11/08 07:50 PM (16 years, 1 month ago)

I would do that but my PC only holds 4 quart jars and my quarts all have holes in the top for multi spore inoculation. I'll re-pasteurize then drain in a colander. Shitty.


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Invisibleblood4blood
Calmer Than You Are


Registered: 04/25/07
Posts: 6,029
Loc: The Valley
Re: Pasteurizing coir/coffee [Re: ChronicBarry]
    #8010537 - 02/11/08 07:54 PM (16 years, 1 month ago)

if you read the tek you never build up pressure in your pc. its just water boiling. so you ca neasily get away with just having tinfoil on the tops of your jars. no need for the metal lids and bands.

4 qrts at a time would take you a long time. as one brick equals approx 10 dry qrts.

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Invisiblethedefone
deus ex machina

Registered: 10/06/07
Posts: 1,883
Loc: Gondwana
Re: Pasteurizing coir/coffee [Re: thedefone]
    #8010538 - 02/11/08 07:54 PM (16 years, 1 month ago)

Quote:

It isn't hard to argue that coir doesn't need any treatment before spawning, given how resitant it is to infection,



Coir is commonly infected with trichodermia, due to it's beneficial effect on plant's roots. Ensure adequate pasteurization, and pH balancing helps too. Also, it is never a bad idea to do your hydrated lime work in the close proximity of a pH meter.


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I am become death, the destroyer of worlds.

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Invisibleblood4blood
Calmer Than You Are


Registered: 04/25/07
Posts: 6,029
Loc: The Valley
Re: Pasteurizing coir/coffee [Re: Terillius]
    #8010579 - 02/11/08 08:00 PM (16 years, 1 month ago)

Quote:

Terillius said:




The whole stovetop thing is the biggest pain in the ass ever.




i dont mind it. and its gaurenteed that it will keep your jars at 150 for the hour needed without standing around checking the temp every 10 mins

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