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Amazon Shop: ½ Pint Jars, Coir, Peat, pH Test Strips, Vermiculite

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Invisibleseven
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pasturization of coir
    #8791374 - 08/18/08 04:47 PM (10 years, 2 months ago)

ive read alot about coir. seems as if there are many mixed openions on if it were a good substrate or casing. i mean the history of coir is shakey on this site. when you search it, you get almost even arguements on each coir related topic. my topic is paturization. i see some say it is pointless due to the way the coir is manufactured. then someone will say to pasturize to kill off bad bacteria and keep good bacteria. then someone will say the coir isnt compost and it dosent have good bacteria to keep. some just hydrate with the buckett method with 170 degree water. which seems fractional in my logic. but seems to work for some. and if you advocate full pasturization i want to know your method. i know this topic has been beat in the dirt, but i would like some scientific answers about bacterial content in coir. also i read that trich is added to coir as it helps plants? so i guess anywon would understand mmy confusionn about details.


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Offlinegjm6syn6
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Re: pasturization of coir [Re: seven]
    #8791470 - 08/18/08 05:07 PM (10 years, 2 months ago)

I always cook in an oven bag @ 175 for 3 to 4 hours, no contams to date.

-gjm6syn6


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Invisibleseven
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Re: pasturization of coir [Re: gjm6syn6]
    #8791495 - 08/18/08 05:12 PM (10 years, 2 months ago)

so you hydrate coir to feild capasity and load in oven bags for pasturization in the oven. are the oven bags placed directly on a pan? thanks for the reply!


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InvisibleDJYoshaBYD
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Re: pasturization of coir [Re: seven]
    #8791707 - 08/18/08 06:06 PM (10 years, 2 months ago)

to tell you the truth, I have been using it for a year, and I NEVER have pasteurized it..

I just prepare the coir by pouring a gallon of boiling water over the brick in a bucket and covering it till cool.. never had any issues...

coir is really one of the worst things you could use for a casing. it overlays VERY fast, and is just not as good as using peat.. coir is best suited for a substrate... and one hell of a substrate at that..


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Offlinevater
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Re: pasturization of coir [Re: DJYoshaBYD]
    #8791749 - 08/18/08 06:15 PM (10 years, 2 months ago)

I use my PC for pasturization without the lid and 7qt jars n lids.
You can put anything you want in the jars and store 'em for later.


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Offlinerobanero
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Re: pasturization of coir [Re: DJYoshaBYD]
    #8791756 - 08/18/08 06:17 PM (10 years, 2 months ago)

Some coir is treated with trech. It should tel you if it is. Hydrating it in boiling water in your PC or a big pot with the lid on is the way to do it. As for scientific data I don't have any. Coir is basically used for three things bedding for animals, growing plants, and fungus. Bedding coir usually doesn't have trech added.


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Offlinevater
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Re: pasturization of coir [Re: vater]
    #8791770 - 08/18/08 06:19 PM (10 years, 2 months ago)

Quote:

vater said:
I use my PC for pasturization without the lid and 7qt jars n lids.
You can put anything you want in the jars and store 'em for later.



Clarify 7 x 1qt jars and lids.


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Offlinestewy1412
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Re: pasturization of coir [Re: vater]
    #8791945 - 08/18/08 07:06 PM (10 years, 2 months ago)

do you want the powdered coir for substrate or the fiber


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:rasta:im the one thats got to die when its time for me to die
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Invisiblecosmictaco
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Re: pasturization of coir [Re: stewy1412]
    #8792277 - 08/18/08 08:42 PM (10 years, 2 months ago)

Quote:

stewy1412 said:
do you want the powdered coir for substrate or the fiber




I used the fiber and it seemed to work great!


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OfflineHattori Hanzo
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Re: pasturization of coir [Re: stewy1412]
    #8792294 - 08/18/08 08:47 PM (10 years, 2 months ago)

some use coir with hpoo for substrate...some use coir and verm as substrate...

here's me using it 60/40 Verm/Coir casing HPoo colonized with GT.


I think pouring boiling water over it to hydrate is the same thing as pasteurizing it. Boiling water is 212...adding it to room temp coir and keeping it hot is in essence, pasteurization (as opposed to sterilization). I mix up my casing (field capacity), and put in quart jars with tin foil as tops, and then place in a big chili pot, water up to the foil, plate on top (cause they want to float and turn over) and boil until internal temp is 140..cut the heat off, cover and let sit for 2 hrs...that's it...let cool...case! 5 days later...you get rhizo poking up thru it with 1/2 inch of it.

Word!

H.H.


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Edited by Hattori Hanzo (08/18/08 08:48 PM)


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OfflineMad River
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Re: pasturization of coir [Re: cosmictaco]
    #8792374 - 08/18/08 09:16 PM (10 years, 2 months ago)

Quote:

cosmictaco said:
Quote:

stewy1412 said:
do you want the powdered coir for substrate or the fiber




I used the fiber and it seemed to work great!




It is the powdered that is commonly used. I've not heard of people using the fiber, but I suppose it's possible.


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OfflineBrandNewbie
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Re: pasturization of coir [Re: seven]
    #8792395 - 08/18/08 09:23 PM (10 years, 2 months ago)

I actually use the fiber instead of the powdered. It adds fluff to my horse manure, (as well as nutes). Because I mix the two together, it is pasteurized with the manure. I have heard that you don't need to pasteurize it, I suppose that adding boiling water and waiting till cool probably kills off some contaminates, (I do this to hydrate and fluff before I combine with my substrate recipe and pasteurize). :goodluck:


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Invisibleseven
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Re: pasturization of coir [Re: BrandNewbie]
    #8792425 - 08/18/08 09:31 PM (10 years, 2 months ago)

Im sure alot of people get by just with boiling water because it may knock back a contamination load in an already 'possible' low contam substrate. but im sure there has been more than one grow where the grower wished they would have fully pasturized coir. the faster the strain the better your chances with fractional pasturization of coir i guess.


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Invisibleseven
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Re: pasturization of coir [Re: seven]
    #8792453 - 08/18/08 09:38 PM (10 years, 2 months ago)

the oven bag pasturization sounds logical as there isnt alot of jars. and i bet you can get alot done.


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Offlinegjm6syn6
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Re: pasturization of coir [Re: seven]
    #8792466 - 08/18/08 09:41 PM (10 years, 2 months ago)

Yeah, hydrate to field capacity, add whatever goodies you want to use for nutes ( I'm using kow and coffee ) and load into the oven bag.  I put it on a pan instead of directly on the rack, as long as it can't expand and touch one of the elements you should be fine.  For a full brick I let it go for 4 hours @ 175. 

Never had contam using this method, sure there are lots of other ways to go, this is what works for me.

-gjm6syn6


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Invisibleseven
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Re: pasturization of coir [Re: gjm6syn6]
    #8792587 - 08/18/08 10:18 PM (10 years, 2 months ago)

as temps of ovens are different i guess i will put a meat therm in one bag for monitoring. four hours? do you loose moisture content? or is this an issue?


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Invisibleseven
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Re: pasturization of coir [Re: seven]
    #8792663 - 08/18/08 10:38 PM (10 years, 2 months ago)

if anyone knows any other pasturization methods for simi bulk please post. and post your experience plus contam rate with your method using coir. should i test ph as well? would it be wise?


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Offlinegjm6syn6
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Re: pasturization of coir [Re: seven]
    #8792849 - 08/18/08 11:16 PM (10 years, 2 months ago)

the oven bag needs to be closed with the supplied zip tie, I used a probe type thermometer until I figured out exactly how long it took to get the center to 160.


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InvisiblePeterthinks
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Re: pasturization of coir [Re: gjm6syn6]
    #8792969 - 08/18/08 11:38 PM (10 years, 2 months ago)

In Canada you can get a huge block of Coir at Home Hardware for around $9.00.
This block is the size of a small TV,
http://www.homehardware.ca/Products/index/show/product/I5053274/name/coconut_fibre_coir_bale_53cuft
You can get smaller bricks for $2.00
http://www.homehardware.ca/Products/index/show/product/I5053069/name/coconut_fibre_coir_brick

:jester:


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Offlinestewy1412
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Re: pasturization of coir [Re: Peterthinks]
    #8794439 - 08/19/08 09:58 AM (10 years, 2 months ago)

do they sell coir at pet stores seeing as its used as animal bedding


--------------------
:rasta:im the one thats got to die when its time for me to die
so let me live my life the way i want to
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Amazon Shop: ½ Pint Jars, Coir, Peat, pH Test Strips, Vermiculite

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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