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Senior Member
Username: Debremus
Post Number: 618
Registered: 09-2002
| | Posted on Friday, November 21, 2003 - 05:08 am: | 
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quote:After reading directions for making spawn bags, and making air holes in them, I made the following statement: Oh good Lord, all of this is far too complicated, and not needed. Same thing for jars. There is no need to have an air hole! I discovered this many years ago. There is usually enough air in the project to allow complete take-over of mushroom mycelium. The addition of any holes just opens up another door for contamination to get in.
If you make a hole for inoculation, tape this hole back up. Once the grain is fully taken (no spots of grain exposed), the project can then be opened....just about the time you need to have new air. This is why you can set "cakes" out it the open. Once the grain, or growing media, is completely covered by mycelium, and no longer exposed to the open air, it is hard for contaminants to get a foothold. They are not very good in getting pass the mycelium, to feed on the grain or other media.
Slp/fmrc
#06 TEO page 21.
Can anyone confirm this? Has anyone actually tried growing popcorn for instance without any hole at all? I am guessing it would work but maybe its slower growth?
(Message edited by debremus on November 21, 2003) |
Wa7sum (Wa7sum)
Member
Username: Wa7sum
Post Number: 28
Registered: 10-2002
| | Posted on Friday, November 21, 2003 - 06:09 am: |
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With out air holes, expect mycelium spread to become much, much, much slower... I'm speaking of many more weeks, up to 6, from my experience. |
Jesse James (Spacecowboy)
Senior Member
Username: Spacecowboy
Post Number: 334
Registered: 03-2003
| | Posted on Friday, November 21, 2003 - 10:04 am: |
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From my experiments with PF jars - 8 equal spaced holes, but still innoculated at the standard 4 points, colonize almost twice as fast.
I also don't tape the holes, just cover the lid with foil to keep out the airborne contaminates, and let them sit in an undisturbed location. "Set it and forget it."
If it's not broken, then the government will try to fix it until it is.
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rodger rabbit (Skyypilot)
Senior Member
Username: Skyypilot
Post Number: 1180
Registered: 02-2003
| | Posted on Friday, November 21, 2003 - 03:37 pm: |
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Not only is it slower, but bacteria is favored. You need air exchange.
"I feel rowdy and I don't know why. . .Excuse me, while I kiss the sky!" jimi hendrix
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Hippie3 (Admin)
Board Administrator
Username: Admin
Post Number: 7875
Registered: 02-2001
| | Posted on Friday, November 21, 2003 - 04:16 pm: |
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it depends on the amount of air trapped inside,
and how long it takes to colonize.
a half pint pf jar has enough air inside, when taped shut, to last it about 2.5 weeks or so, after which, if it's not fully colonized yet, growth will slow to a halt until more air is introduced.
so if one leaves enough air space in a bag, etc.
and colonization goes well, with quick germination and adequate amounts of inoculant,
then one can indeed omit any additional air hole.
but for most, there's very little reason to do so,
as adding a filtered hole isn't much extra work or cost and provides added insurance that there's enough air to finish the job if things go a bit slower than expected.
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