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Amazon Shop for: Agar, Moisture Meter, Paul Stamets, Peat, Vermiculite, pH Test Strips

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OfflineMikeOLogical
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moisture content of casing mix?
    #4703926 - 09/24/05 04:50 AM (11 years, 2 months ago)

what moisture content should i aim for when making a casing mix? I'm thinking my earlier casing experiments failed because i didn't compensate for the moisture content of the peat i started with...


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we're no longer selling jars.  :laugh:


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Invisiblebackupwards
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4704105 - 09/24/05 06:26 AM (11 years, 2 months ago)

nah, you didn't just ask a totaly newbie question without doing a search did ya? lol.

50% peat moss and 50% vermiculite, sterilized or pasteurized, real moist, squeeze out excess water, then just lightly place it over the mycelium layer, about a 1/2" to 3/4" just so it covers the mycelium layer.
I treat the casing mixes moisture content the same as i do the content for the poo and then mist it pretty well once it is applied. of course that misting is done from a distance so as not to seal off the casing layer. 1-2' away using a nice sweeping motion back and forth across the casing, not ever directly spraying it though. just creating a fine mist above it and letting it gently fall onto the casing.

:peace:

(nah Mike didn't just do this did he? ahhh yup yup he did. lol


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OfflineMikeOLogical
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Re: moisture content of casing mix? [Re: backupwards]
    #4704360 - 09/24/05 09:59 AM (11 years, 2 months ago)

unfortunately, that doesn't help me... the squeeze test isn't precise enough, since i've relied on that standard in the past and it hasn't worked for me...

i suspect that peat moss will vary from location to location as to exactly how much moisture will affect the desired squeeze test...

What i need is the moisture content of a casing expressed as a percentage of the total mass...


--------------------
We got Nothing!
we're no longer selling jars.  :laugh:


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Invisiblebackupwards
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4704398 - 09/24/05 10:25 AM (11 years, 2 months ago)

using your theory that it will vary from location to location would make it near impossible for a % to be given then. since your peat would hold a different amount of moisture than mine or anyone else's.
if anything i have always gone a bit to the dry side and misted in moisture as it needs. on the squeeze test not a drop is sqeezed out.

:peace:


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InvisiblePrisoner#1M
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4704419 - 09/24/05 10:41 AM (11 years, 2 months ago)

Quote:

MikeOLogical said:
What i need is the moisture content of a casing expressed as a percentage of the total mass...




I'd love to answer this question but I fear there si no simple answer, start with
water content based on the squeeze test and increase it by 20-30 ml per liter of
casing mix or decrease it by that amount if you feel its too wet


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Invisibleagar
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4704535 - 09/24/05 11:57 AM (11 years, 2 months ago)

http://store.yahoo.com/cspoutdoors/noname5.html

A little spendy -but is the best PH & moisture meter - out there.

I saw Stamets uses one & bought one - myself.


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Offlinehyphae
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Re: moisture content of casing mix? [Re: agar]
    #4704684 - 09/24/05 01:00 PM (11 years, 2 months ago)

A casing mix should be moistened fairly well upon mixing but once applied then it is time to mist to "near saturation", the point where the casing just begins to glisten, this is where myc thrives. Remember mushrooms love water more than we do and understanding this will cultivate your skills even further. GL


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OfflineMikeOLogical
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Re: moisture content of casing mix? [Re: backupwards]
    #4707516 - 09/25/05 12:32 AM (11 years, 2 months ago)

Quote:

backupwards said:
using your theory that it will vary from location to location would make it near impossible for a % to be given then. since your peat would hold a different amount of moisture than mine or anyone else's.
if anything i have always gone a bit to the dry side and misted in moisture as it needs. on the squeeze test not a drop is sqeezed out.

:peace:




stamets gave a method of calibrating the moisture levels in grains, which always vary as far as moisture content... the grain was dried in an oven till all the moisture was driven off... then water was added to make the water content 70% of the weight of the substrate...

right now i have a customer who wants me to make casing mix for him, but i don't have the luxury of experimentation... this has to work correctly the first time...

so the plan is to dry out the peat, add water till the moisture content is perfect, sterilize then ship...

i have no experience as to the correct feel of the casing mix, so i have to rely on science to get the optimum moisture level... i just need to know what that moisture level should be...


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OfflineHippieChick
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4707731 - 09/25/05 01:26 AM (11 years, 2 months ago)

Optimum moisture content is normally 2% - 4% below saturation. Typically, peat based casing's are balanced to a 70%-75% moisture content. 73% should be perfect.

You'll need that meter agar showed you to be absolutely sure.

Peace,Love,Happiness and Harmony.
:heart: Hippie Chick  :mushroom2:


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Edited by HippieChick (09/25/05 02:06 AM)


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OfflineMikeOLogical
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Re: moisture content of casing mix? [Re: HippieChick]
    #4708044 - 09/25/05 03:07 AM (11 years, 2 months ago)

Thanks... thats just what i was looking for... :thumbup:


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OfflineHippieChick
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Re: moisture content of casing mix? [Re: MikeOLogical]
    #4708058 - 09/25/05 03:12 AM (11 years, 2 months ago)

You're welcome.

Read his old book before you get into that new signed one,lol. Nice addition to your collection. :smirk:

Good Luck with the casing venture :thumbup:

Peace,Love,Happiness and Harmony.
:heart: Hippie Chick  :mushroom2:


--------------------
Peace,Love and Happiness
:heart: HC :mushroom2:

Freedoms just another word for nothing left to lose..............

I LUV My Greenhouse
http://www.shroomery.org/forums/showflat.php/Number/5545848#5545848

My First Pans
http://www.shroomery.org/forums/showflat.php/Number/6212058#6212058


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OfflineMikeOLogical
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Re: moisture content of casing mix? [Re: HippieChick]
    #4708283 - 09/25/05 04:10 AM (11 years, 2 months ago)

yah, its borrowed out right now... but you do have a point, i need to read up on casings... its been a few years since i was active in growing, since then i only make substrates... don't know bupkis about casings...


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Amazon Shop for: Agar, Moisture Meter, Paul Stamets, Peat, Vermiculite, pH Test Strips

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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