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Dirtygoat
Bread



Registered: 10/22/13
Posts: 561
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Shiitake grow help
#23594280 - 08/30/16 04:32 PM (7 years, 4 months ago) |
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Can't figure out why I'm always getting green mold?
Shiitake look great but there's always mold...
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drake89
Mushroom Magnate



Registered: 06/26/11
Posts: 4,168
Loc: TN
Last seen: 4 years, 10 months
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Re: Shiitake grow help [Re: Dirtygoat]
#23594490 - 08/30/16 05:39 PM (7 years, 4 months ago) |
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So they are molding before or after you open the bag?
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Dirtygoat
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Registered: 10/22/13
Posts: 561
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Re: Shiitake grow help [Re: drake89]
#23594705 - 08/30/16 06:22 PM (7 years, 4 months ago) |
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After. But sometimes it smells moldy as I'm opening the bag.
Thing is almost every block molds. The fruits look healthy and grow well just next to mold
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Ferather
Mycological



Registered: 03/19/15
Posts: 6,325
Loc: United Kingdom
Last seen: 1 year, 2 months
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Re: Shiitake grow help [Re: Dirtygoat]
#23594728 - 08/30/16 06:26 PM (7 years, 4 months ago) |
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By moldy smell do you mean an earthy fungal smell, or another smell?
Looks like after onto uncolonized or weakly colonized areas. That grow room is now infected for a long time.
Remove all, and clean everything.
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drake89
Mushroom Magnate



Registered: 06/26/11
Posts: 4,168
Loc: TN
Last seen: 4 years, 10 months
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Re: Shiitake grow help [Re: Dirtygoat]
#23594788 - 08/30/16 06:39 PM (7 years, 4 months ago) |
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Quote:
Dirtygoat said: After. But sometimes it smells moldy as I'm opening the bag.
Thing is almost every block molds. The fruits look healthy and grow well just next to mold
yep this can happen. what are the temps like in there?
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Dirtygoat
Bread



Registered: 10/22/13
Posts: 561
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Re: Shiitake grow help [Re: drake89]
#23595885 - 08/30/16 11:07 PM (7 years, 4 months ago) |
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oh yea the temps are kinda high.. like 70-80
the room is brand new though so the room didn't accrue to the mold..
damn its prob the temps though. maybe an ac in there.
Im getting a better fan though. would it be a bad idea to turn the fan on when theres all the mold? and would the higher fae help prevent mold (on the next batch) or would it only make it worse?
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Dirtygoat
Bread



Registered: 10/22/13
Posts: 561
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Re: Shiitake grow help [Re: Ferather]
#23595907 - 08/30/16 11:15 PM (7 years, 4 months ago) |
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Quote:
Ferather said: By moldy smell do you mean an earthy fungal smell, or another smell?
Looks like after onto uncolonized or weakly colonized areas. That grow room is now infected for a long time.
Remove all, and clean everything.
the room has open windows so i think it's already infected.
and it looks like the mold is on the.. everything. mostly the hardened brown spots though.
hmm i'm thinking maybe instead of keeping high humidity (doesnt seem like they need very high humidity after the dunk) i should let the blocks dry out on the outside with no misting and high air exchange. then once the fruits start to form i will increase humidity to help them grow and try to prevent the shell of the blocks getting soft?
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Dirtygoat
Bread



Registered: 10/22/13
Posts: 561
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Re: Shiitake grow help [Re: Dirtygoat]
#23595912 - 08/30/16 11:17 PM (7 years, 4 months ago) |
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like i think the mold is eating the black ?metabolite? juices that the block produces. so im thinking if i keep the outside of the block dry it wont mold as much
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frog48
Peasant



Registered: 03/08/13
Posts: 612
Loc: France
Last seen: 13 days, 10 hours
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Re: Shiitake grow help [Re: Dirtygoat]
#23596193 - 08/31/16 01:38 AM (7 years, 4 months ago) |
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Problem might have started in grain spawn. I 've had similar problems. Blocks colonised ok but there were spots with trich on the blocks when I put them into fruiting. Turned out to be a clocked filter in flowhood. I m still amazed about the capacity of shiitake to fight off trich. If sterilization is ok small spots of trich in your g2g won t destroy your crop. It will affect yields but not as dramatically as you would think. So I bet your problem is not in your growroom, it started earlier!
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