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Amazon Shop for: Peat, Perlite, Vermiculite

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Offlinecrazycanadian
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how long should i bake the casing to sterilize it
    #2334785 - 02/14/04 05:22 PM (12 years, 9 months ago)

I am using the PF casing method. I need to sterilize the tray with the perlite and the casing. How long should I do this for and at what temerature in the oven?


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Invisiblesimplemachine
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Re: how long should i bake the casing to sterilize it [Re: crazycanadian]
    #2335412 - 02/14/04 08:53 PM (12 years, 9 months ago)

I bake my perlite in the oven at about 300 for an hour or so...If it's a brand new bag of perlite, you don't have to worry about sterilizing it. I sterilize my casing material in the microwave. Mix it up to just above the desired water content and nuke it for 5 minutes. wait for it to cool and use as directed.


SM


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Offline003
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Re: how long should i bake the casing to sterilize it [Re: crazycanadian]
    #2335418 - 02/14/04 08:55 PM (12 years, 9 months ago)

Or you could pasturize.


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Offlinellamaboy
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Re: how long should i bake the casing to sterilize it [Re: crazycanadian]
    #2335420 - 02/14/04 08:55 PM (12 years, 9 months ago)

the temp should be about 220* F (you can go hotter, but you may burn it) usually 20-25 minutes is sufficient.

why are you sterilizing the perlite? that doesn't typically go into a casing.

aslo the casing materials that you are using may need to have the temp adjusted accordingly, what are you suing to case?


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Offlinellamaboy
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Re: how long should i bake the casing to sterilize it [Re: 003]
    #2335429 - 02/14/04 08:58 PM (12 years, 9 months ago)

you cant pasturize perlite. there's no beneficial bacteria in perlite...


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Offline003
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Re: how long should i bake the casing to sterilize it [Re: llamaboy]
    #2335439 - 02/14/04 09:00 PM (12 years, 9 months ago)

Quote:

you cant pasturize perlite. there's no beneficial bacteria in perlite...




Yah I know, I meant the casing.

Quote:

why are you sterilizing the perlite? that doesn't typically go into a casing.




Some people like to use it as a bottom layer. Myself I don't feel it's neccessary, I'd go with just a verm casing that has been pasturized at 175 for an hour and a half. Always worked for me. My 2 cents.


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Offlinellamaboy
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Re: how long should i bake the casing to sterilize it [Re: 003]
    #2335452 - 02/14/04 09:04 PM (12 years, 9 months ago)

i'd agree with that, i woldn't use perlite as the bottom casing layer, i have always gone with verm...seems to have a better water retention than perlite. and it's a little less messy.


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Offlinecrazycanadian
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Re: how long should i bake the casing to sterilize it [Re: 003]
    #2335454 - 02/14/04 09:05 PM (12 years, 9 months ago)

well it says to use perlite according to the PF casing method. I am using 50/50 mix of vermiculite and peat moss. I talked to a friend who said that he doesnt use the perlite. I guess it cant hurt though.


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Offlinellamaboy
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Re: how long should i bake the casing to sterilize it [Re: crazycanadian]
    #2335460 - 02/14/04 09:10 PM (12 years, 9 months ago)

are you putting the perlite in the top casing layer or in the bottom?

i would highly suggest to not put it in the top layer as it doesn't retain as much water as you would want. the pourus surface of perlite will cause the water to leave the casing layer much faster than if you were to use verm.

if it's for the bottom casing layer, i would still say go with verm...as it will retain more water and create a better base for your substrate.


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Offlinecrazycanadian
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Re: how long should i bake the casing to sterilize it [Re: llamaboy]
    #2335482 - 02/14/04 09:20 PM (12 years, 9 months ago)

yes i was infact planning it to be for the bottom layer. i suppose i will go with vermiculite. people say it is better
thanks for the help


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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