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 krill
absolute gonzo
Registered: 10/25/05
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 sterilizing casing mix in oven bags? 
#5250451 - 02/01/06 11:31 AM (7 years, 3 months ago) |
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loading jars of field capacity casing mix is all fine and good. especially to keep a jar or two around to patch with (which you kinda HAVE to do...)
but there's gotta be a quicker way.
using the oven sounds allright, but i forsee funky aromas.
can you just throw an assload of field capacity coco mix into a tied-off oven bag and PC it?
sorry, never used oven bags or patch bags.
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"DO NOT ADJUST YOUR MIND. IT IS REALITY THAT IS MALFUNCTIONING." - Robert Anton Wilson
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 FooMan
Registered: 02/02/05
Posts: 8,270
Loc: Earth 
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 Re: sterilizing casing mix in oven bags? [Re: krill]
#5250463 - 02/01/06 11:38 AM (7 years, 3 months ago) |
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Check your PM's
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onetime
onetime
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Re: sterilizing casing mix in oven bags? [Re: FooMan]
#5250481 - 02/01/06 11:48 AM (7 years, 3 months ago) |
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caseings shouldnt need to be sterilized unless you wiped your butt with them or somthing. I don't think that caseings can harbor contams due to the fact that caseings have no food for them to eat. In the five years that I have been doing this I don't think I ever starilized a caseing mix. Expect once I did in the microwave and desided it was a waste of 5mintues. I think that I use more spawn than is needed probly a 50/50 ratio of spawn/straw. this way the compost or straw gets colenized in a few days. and the myc will out grow any contam.
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Omnicracker
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Re: sterilizing casing mix in oven bags? [Re: onetime]
#5250490 - 02/01/06 11:50 AM (7 years, 3 months ago) |
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casings can very well harbor contams, and its worth your time to sterilize.
thats how i do my casing material, but dont tie the bag off, just roll it up tight and PC for 30-40 minutes, or an hour if you can spare it.
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kilgore_trout
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Re: sterilizing casing mix in oven bags? [Re: onetime]
#5250492 - 02/01/06 11:53 AM (7 years, 3 months ago) |
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do not sterilize your casing.
pasteurize it. it will be more contam resistant and pin better.
wet to feild capacity, fill bags, place in oven at a temp between 140 and 175 or so. keep it in there until like 1 or two hours after the center reaches 140.
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onetime
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Re: sterilizing casing mix in oven bags? [Re: Omnicracker]
#5250500 - 02/01/06 11:54 AM (7 years, 3 months ago) |
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I suposse it all comes down to how much time you have. In five years of caseing the only time I see contams Is around the 3rd or 4th flush by that time its spent any ways. The only time I have seen heathly cased myc contam was when soil was used. Soil needs to be pasturized. Those worm casting caseings mix that the sell need to be pasturzied too. For caseings the microwave works well for starlizing.
man that guy has a pc it sounds like. there is no need to waste the time putting it in the oven. Oven teks are lame becouse ovens use dry heat. Who ever liked dry heat.
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AliceDee
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Re: sterilizing casing mix in oven bags? [Re: onetime]
#5250505 - 02/01/06 11:56 AM (7 years, 3 months ago) |
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so when casing with vermiculite you dont need to steralize??? i always put my casing layer in the PC before i used it... what do you use as a casing layer?
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scatmanrav
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Re: sterilizing casing mix in oven bags? [Re: onetime]
#5250512 - 02/01/06 11:59 AM (7 years, 3 months ago) |
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do not sterilize your casing.
pasteurize it. it will be more contam resistant and pin better.
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I fully disagree. Whats wrong with my pinsets? And getting 4-8 flushes off a casing? I have sterilized 95% of my casing mix, pasteurizing doesnt make a damn difference and PCing is easier and makes you more assured that youll end up with a good product. Is it nessesary? Maybe not..but it certainly doesnt hurt the pinset or make it more prone to contamination.
I use bags myself for casing mix (though I prefer jars for grain)..ovenbags however suck ass, very thin and break easy. Order some PP bags or autoclave bags online, and use those..you might find you like doing grain in them too, so you can do 1 or 2 bags of grain instead of 10 jars..
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FooMan
Registered: 02/02/05
Posts: 8,270
Loc: Earth
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Re: sterilizing casing mix in oven bags? [Re: AliceDee]
#5250514 - 02/01/06 12:00 PM (7 years, 3 months ago) |
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vermiculite is sterile by nature, but once you open the bag, you never know what can get into it. Sterilizing it is just a precaution, but probably not neccessary.
--------------------
Everything you ever wanted to know about growing mushrooms- RIGHT HERE!
New to the Shroomery? GETTING STARTED
If you have time to post a question and wait for an answer, you have time to look up your answer. Lazy questions produce lazy answers. We aren't here to walk you from germination to sporulation. Research, get the basics down, THEN ask questions if you need clarification.
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onetime
onetime
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Re: sterilizing casing mix in oven bags? [Re: AliceDee]
#5250517 - 02/01/06 12:01 PM (7 years, 3 months ago) |
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I use a verm/coir mix most of the time. straight coir works too. I think that if your useing peat moss you might want to starlize that as I belive that it comes from natural compost. Caseings have no nutrition so pasturizeing it would do nothing to help it as there is no bactiria in the caseing mix to live. there might be dry spores but no liveing bactieria untill you give it food. So if there is any bad guys why only warm them up its not like its poop where there is good stuff and bad stuff. Pasturizeing caseing mix is a waste of time. Starilizeing could be helpfull if your useing something drity other than verm or coir.
scat I don't think that your pin sets are caused by you starilizeing your caseing mix. I think that pinsets are more from even myc growth on the spawn and a nice caseing layer. Good moisture and good FAE.Not to mention that you use Calcium Carbonate Witch is probly the ONLY reson you get such good pinsets.
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Edited by onetime (02/01/06 12:07 PM)
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cokaznrebel
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Re: sterilizing casing mix in oven bags? [Re: onetime]
#5250543 - 02/01/06 12:10 PM (7 years, 3 months ago) |
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I pastuerize my poo/compost, and STERLILIZE my casing layer. It doesnt need any nutes out of there.
I actually just add some water and microwave for 5 minutes, stir, and microwave for 5 more. Close enough.
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scatmanrav
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Re: sterilizing casing mix in oven bags? [Re: cokaznrebel]
#5250551 - 02/01/06 12:15 PM (7 years, 3 months ago) |
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scat I don't think that your pin sets are caused by you starilizeing your caseing mix. I think that pinsets are more from even myc growth on the spawn and a nice caseing layer. Good moisture and good FAE.Not to mention that you use Calcium Carbonate Witch is probly the ONLY reson you get such good pinsets.
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I agree, however someone else said that pasteurizing casing mix over sterilizing would improve pinsets, in reality, sterilizing has nothing to do with the pinset and wont leave it open to contamination...that was my point. Sterilization wont always be nessasary for casing mix, as stated, everything should come clean...but my point is, it doesnt hurt.
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krill
absolute gonzo
Registered: 10/25/05
Posts: 521
Loc: mars hotel
Last seen: 10 months, 15 days
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Re: sterilizing casing mix in oven bags? [Re: scatmanrav]
#5253896 - 02/02/06 03:12 AM (7 years, 3 months ago) |
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i've never used coir because until now i couldn't get it locally.
i wouldn't pay more to ship a block of coco than it costs to buy it.
so, i always used 50/50 peat + verm.
IMO it would be stupid not to sterilize peat or verm. especially if you get it in 4 cubic-ft bales (which i do) - it has time to gather dust and contams.
and, yeah, if you have a PC why not use it?
no, i don't wipe my ass with anything 'cept plain old TP - as boring as that may be. but NOT wiping something against my ass DOESN'T make it clean.
so, maybe you don't need to sterilize or pastuerize coco coir or your casing shit.
mine came off the dirty floor of a hydroponics shop.
i KNOW my verm isn't clean as is.
i'm not going to use dry heat.
the question was is it a good idea to use oven bags as autoclave bags. thanks...
oh, thanks again for the PM, Foo Man.
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"DO NOT ADJUST YOUR MIND. IT IS REALITY THAT IS MALFUNCTIONING." - Robert Anton Wilson
NO LEFT TURN UN-STONED
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