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Offlinejosh666
enthusiast

Registered: 07/19/99
Posts: 269
Loc: U.S.A.
Last seen: 16 years, 1 month
a question about casings??
    #427211 - 10/16/01 12:07 PM (20 years, 10 days ago)

I'm about to begin my 4th attempt at casing. All 3 x's before this have failed to the green mold. I need to know do u have to sterile your bottom and top casing layers?? If so, what is the best way?? I will be using straight verm. layers......


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InvisibleFungusFarmer
old hand

Registered: 09/20/00
Posts: 260
Re: a question about casings?? [Re: josh666]
    #427226 - 10/16/01 12:24 PM (20 years, 10 days ago)

Sterilize the verm by nuking it for several minutes in a plastic cup covered with seran wrap or better yet use a pressure cooker.

Right after you've made your three layers, cover with seran wrap held in place with a rubber band. That way, nothing falls on the casing and if you did a good job sterilizing the verm, you shouldn't have any problems. Just be sure to lysol the room, close the vents, and use rubbing alcohol on your hands when you make your casing

Grover


--------------------
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- "What did you dream...it's all right we told you what to dream! Welcome, my son, to The Machine" Roger Waters, Pink Floyd


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InvisibleInsomnia
addict
Registered: 07/18/00
Posts: 345
Re: a question about casings?? [Re: josh666]
    #427261 - 10/16/01 01:12 PM (20 years, 10 days ago)

Hi,

Many contaminants attack casings because they're too wet. I make big batches of casing and sterilize one hour in the pressure unit, squeeze out excess moisture, then apply. Only lost one casing in two years.

Good luck!


--------------------
"If you believe in things you do not understand, you will suffer." ? Stevie Wonder


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Offlinejosh666
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Registered: 07/19/99
Posts: 269
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Re: a question about casings?? [Re: Insomnia]
    #427275 - 10/16/01 01:24 PM (20 years, 10 days ago)

What do u put it in b4 u put it in the PC?? I don't have any large containers to hold the verm?? also, when nuking....how long?

I'm assuming you add the water to the verm. b4 sterilizing??


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InvisibleSlattMoan
member

Registered: 10/09/01
Posts: 119
Re: a question about casings?? [Re: josh666]
    #427276 - 10/16/01 01:27 PM (20 years, 10 days ago)

Dito... Insomnia is right on... I follow this procedure pretty much like he put it and have never had a problem. I've found that the easiest way to make a batch of contam-free casing is to fill a bulk-spawn bag (mine come from Mycelium Fruits) with your casing of choice and PC at 15lbs. a good half hour. With this method i've never had a contamination problem... untill of course you've recased for about the 3rd time... but then things just tend to get a little messy.


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InvisibleInsomnia
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Registered: 07/18/00
Posts: 345
Re: a question about casings?? [Re: josh666]
    #427277 - 10/16/01 01:27 PM (20 years, 10 days ago)

I've never used the microwave for sterilization. I'm a fan of pressure sterilizers. Filling a quart jar or bigger with 50/50 wet peat moss/vermiculite, sterilized for an hour or so, will yield plenty of casing material. Of course, your mileage may vary.


--------------------
"If you believe in things you do not understand, you will suffer." ? Stevie Wonder


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Offlinejosh666
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Registered: 07/19/99
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Re: a question about casings?? [Re: Insomnia]
    #427285 - 10/16/01 01:36 PM (20 years, 10 days ago)

Would a plastic tupperware container hold up to the PC'ing??

Also, was i right about adding the water 1st b4 sterilizing??


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InvisibleSlattMoan
member

Registered: 10/09/01
Posts: 119
Re: a question about casings?? [Re: josh666]
    #427297 - 10/16/01 01:51 PM (20 years, 10 days ago)

plastic tupperware would probably melt... maybe something rubbermaid would work but i wouldn't exactly recommend it. i've read that you can PC your casing in the same bags that the vermiculite and perlite come in (schultz brand anywayz), but i've never actually tried it cause i just use the autoclavable bulk-spawn bags.

yes, hydrate the casing mixture before you PC... if too moist after PCing, squeeze out excess moisture with your hands (i'd use gloves).


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Offlinejosh666
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Registered: 07/19/99
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Re: a question about casings?? [Re: SlattMoan]
    #427305 - 10/16/01 01:59 PM (20 years, 10 days ago)

Okay...what about Reynolds oven bags?? could i put the verm. in it b4 PC'ing?? It says on the box to never exceed 400 degrees, but i don't know exactly how hot a PC gets.......

....i'm just trying to find something that will work for me to put the verm. in b4 PC'ing.......I don't seem to have anything else.


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InvisibleSlattMoan
member

Registered: 10/09/01
Posts: 119
Re: a question about casings?? [Re: josh666]
    #427316 - 10/16/01 02:17 PM (20 years, 10 days ago)

awe chit... i think you're on to something there josh. those should work perfect, and there's no way in hell that PCing gets over 400 degrees.

5lbs. pressure - 228 degrees F
10lbs. pressure - 240 degrees F
15lbs. pressure - 250 degrees F (ideal/30min.)


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OfflineDead Shaman
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Re: a question about casings?? [Re: SlattMoan]
    #427325 - 10/16/01 02:26 PM (20 years, 10 days ago)

I use those reynolds oven bags religiously and they work great, I recommend them highly. Just be careful about letting the bag touch the sides of the pc'er, as they might tend to stick. Usually about 45 minutes is plenty.


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Offlinejosh666
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Registered: 07/19/99
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Re: a question about casings?? [Re: SlattMoan]
    #427328 - 10/16/01 02:26 PM (20 years, 10 days ago)

Sweet!! I've got something that will work then........now, if i'm gonna case 6 of my 12 jars, how many cups of verm. should i sterilize for the casings??

Also, if i just sterilize a bunch and have some left over....would i have to re-sterilize the next time i go to use it?? or will it be okay not to?? as long as i keep it in the reynolds oven bag and make sure it stays sealed?


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InvisibleSlattMoan
member

Registered: 10/09/01
Posts: 119
Re: a question about casings?? [Re: josh666]
    #427338 - 10/16/01 02:39 PM (20 years, 10 days ago)

just use good judgement on deciding how much casing to prepare... you should have at least twice as much casing prepared as you do substrate (it's kinda like a sandwhich - bread on top and bottom, etc.)

as long as the bags stay sealed you shouldn't have a problem, but then again safe is better than sorry. (i always re-PC before using... no matter what).


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Offlinejosh666
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Re: a question about casings?? [Re: SlattMoan]
    #427346 - 10/16/01 02:46 PM (20 years, 10 days ago)

okay....i'm going to give it a whirl in the next few days.....hope i can FINALLY get a casing to work!


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Offlinejosh666
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Re: a question about casings?? [Re: josh666]
    #427375 - 10/16/01 03:11 PM (20 years, 10 days ago)

do u sterilize the tray that u will be putting the casing in as well?? if so, can i just spray it with lysol, or won't this be sufficient enough??


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Offlinejosh666
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Re: a question about casings?? [Re: josh666]
    #427474 - 10/16/01 04:50 PM (20 years, 9 days ago)

just looking for an answer to my last question about casings.....wanting to be sure so i can hopefully get this down!


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Invisiblepuscle
genius of love
Registered: 01/07/01
Posts: 4,539
Loc: NY
Re: a question about casings?? [Re: josh666]
    #427520 - 10/16/01 05:31 PM (20 years, 9 days ago)

No, just clean use a clean casing tray. Might I suggest using perlite as a bottom layer?


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Offlinejosh666
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Re: a question about casings?? [Re: puscle]
    #427526 - 10/16/01 05:34 PM (20 years, 9 days ago)

does it work a lot better than moistened verm?? and is it good for a 1st timer?? I've never had a casing work b4......

does it too, need to be sterilized??


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Invisiblepuscle
genius of love
Registered: 01/07/01
Posts: 4,539
Loc: NY
Re: a question about casings?? [Re: josh666]
    #427532 - 10/16/01 05:38 PM (20 years, 9 days ago)

Yes it do, and yes it are.


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Offlinejosh666
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Re: a question about casings?? [Re: puscle]
    #427540 - 10/16/01 05:43 PM (20 years, 9 days ago)

how do u do it?? just PC the perilite and then add sterilized water to it when u go to make the casing?? or add the water b4 PC'ing??


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Invisiblepuscle
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Registered: 01/07/01
Posts: 4,539
Loc: NY
Re: a question about casings?? [Re: josh666]
    #427549 - 10/16/01 05:52 PM (20 years, 9 days ago)

You can bake it or PC it. Add no water, just lay down a half inch. I've the suspicion your contam probs may have been from too wet casings. Just a theory, but a very common mistake.


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Offlinejosh666
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Re: a question about casings?? [Re: puscle]
    #427558 - 10/16/01 06:09 PM (20 years, 9 days ago)

DON'T add any water to the perilite?? not even when u go to case?? I thought the top and bottom layers were supposed to be moist??

What purpose does the perilite serve, if you don't add any water??


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InvisibleSlattMoan
member

Registered: 10/09/01
Posts: 119
Re: a question about casings?? [Re: josh666]
    #427564 - 10/16/01 06:17 PM (20 years, 9 days ago)

don't over-complicate if you've never had a contaminant free casing before... the more shit you add the more trouble you will have...

i would suggest using the 50/50 mix. it works great and when sterilizing with a PC you can't go wrong. layer of casing...layer of substrate...layer of casing...terrarium...patience...shroomies!!!


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Offlinejosh666
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Registered: 07/19/99
Posts: 269
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Last seen: 16 years, 1 month
Re: a question about casings?? [Re: SlattMoan]
    #427581 - 10/16/01 06:44 PM (20 years, 9 days ago)

SlattMoan....so ur suggesting i stay away from the perilite, as my bottom casing layer?? I DO want this to work this time!!


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Invisiblepuscle
genius of love
Registered: 01/07/01
Posts: 4,539
Loc: NY
Re: a question about casings?? [Re: josh666]
    #427586 - 10/16/01 06:48 PM (20 years, 9 days ago)

The perlite provides a reservoir for any excess water. It wicks water up to the mycelia and provides exceptional aeration, thereby reducing contams.


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Offlinejosh666
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Registered: 07/19/99
Posts: 269
Loc: U.S.A.
Last seen: 16 years, 1 month
Re: a question about casings?? [Re: puscle]
    #427599 - 10/16/01 06:55 PM (20 years, 9 days ago)

how does it give the mycelium water if you told me to put it in dry?? now i'm confused.......


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Invisiblepuscle
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Registered: 01/07/01
Posts: 4,539
Loc: NY
Re: a question about casings?? [Re: josh666]
    #427605 - 10/16/01 06:58 PM (20 years, 9 days ago)

You keep the top layer moist, OK? Any excess, the perlite handles.


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Offlinejosh666
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Re: a question about casings?? [Re: puscle]
    #427609 - 10/16/01 07:04 PM (20 years, 9 days ago)

Ok....i understand now......

I was under the impression that for casings, u want the top and bottom layers to be moist.


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Offlineshroomguy
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Registered: 09/20/01
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Last seen: 19 years, 5 months
Re: a question about casings?? [Re: Insomnia]
    #427890 - 10/16/01 11:35 PM (20 years, 9 days ago)

Iwant to case my jars but I'm not sure how. Should i use the whole cakes or crush/cut them up. How deep if I crush/cut.


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Offlinejosh666
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Registered: 07/19/99
Posts: 269
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Re: a question about casings?? [Re: shroomguy]
    #427909 - 10/16/01 11:52 PM (20 years, 9 days ago)

For casings u make the cakes into smaller pieces.....like 1-2 cubic inches.


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OfflineOsh_Kosh_BGosh
journeyman

Registered: 10/09/01
Posts: 79
Last seen: 19 years, 10 months
Re: a question about casings?? [Re: josh666]
    #427950 - 10/17/01 12:45 AM (20 years, 9 days ago)

heres my lazy man casing tek.. grab your cake... crumble it straight on top of the perilite in your terrarium.. then cover it with a mound of plain dry verm and mist it down accordingly... voila.. never had 1 contam btw the verm has never been steralized.. i dunno how all you people are gettin the green molds.... must not be fanning enough.. each time Ive grown ive had various things like lit cigarettes.. toy figurines.. drinks spilled.. etc.. fall into the terrarium and in some cases right even on the cakes / casings and all was fine.
I also have never pressure cooked and still have not gotten molds.. I think it has something to do with the condition of the spores that effects the overall outcome.


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