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Offlinenugjug
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Humidity to high to case
    #5416093 - 03/18/06 02:35 PM (17 years, 10 months ago)

I recently cased two pans of WBS with 50/50 with ground and crushed oyster shell. I let them recolonize for a day and a half and then dropped them down to room temp, started fanning them, and am giving them 12hrs of blue spectrum light each day. They are currently sitting in their own Rubbermaid containers that are designed for hanging files and have a clear lid. The boxes are approximately 1'8"x1'x1'(LxWxH). I don't have enough time to fan them all the time but am worried that too much humidity is building up. Their humidity is so high my hygrometer which stops giving a readout at 99% just shows --%. When ever I fan them the humidity drops to around 75 and then slowly rises back up to --% (about 10-15min). I know that my humidity should only be around 90% at this stage for Psilocybe cubensis.

My question is should I try drilling holes in the lids and filling them with polyfil to allow for more air exchange or should I hook up a filtered computer fan and have that blow air in for 5 minutes every our or so?

Any help would be greatly appreciated.


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Offlinewillmafingerdo
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Re: Humidity to high to case [Re: nugjug]
    #5416110 - 03/18/06 02:40 PM (17 years, 10 months ago)

you should be ok, cubies can take high humidity like that, its just not the best humidity range for casings. if you drill some holes and fill w/ polyfill that should help ya out, and you woudlnt need to fan anymore. you would be making a single tub. you would want to make 4 holes, 8 total on each side about 1" and fill w/ polyfill.


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InvisiblePremedman1
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Re: Humidity to high to case [Re: willmafingerdo]
    #5416393 - 03/18/06 04:05 PM (17 years, 10 months ago)

A computer fan works great for FAE, but a coolmist humidifier is superb for automating FAE and keeping RH at optimal casing levels. I use a cheap coolmist on a 1hr.on/1hr.off cycle, running to 3 large monotubs, and it works like a charm. Lights set on a 12on/12off timer. I fill up the reservoir every couple of days, and harvest weekly. Give it a try. :wink:


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Build a man a fire, he is warm for the night. Set a man on fire, he is warm for the rest of his life.


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Offlinenugjug
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Re: Humidity to high to case [Re: Premedman1]
    #5416492 - 03/18/06 04:37 PM (17 years, 10 months ago)

I guess I should add that I did a bottom layer of drained perlite to a depth of about .5". I think this is part of the reason I'm getting excessive humidity.

While I appreciate the coolmist idea I'm not sure that would help in lowering my humidity to the desired 90% range. Perhaps next time I should leave out the perlite and go for the coolmist.

Also I'm still new to this board so I'm not familiar with all of the acronyms yet. Does FAE stand for frequent air exchange?

If this is the case does anyone have an opinion on what would be better to use the polyfil or the fans?

Thanks to all that have helped already and to those who will provide future advice.


Edited by nugjug (03/18/06 04:39 PM)


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OfflineDem_Bones
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Re: Humidity to high to case [Re: nugjug]
    #5416565 - 03/18/06 05:01 PM (17 years, 10 months ago)

well you have not lowered the temp untill the casing was colonized and then you lower the temp but you want 95% humidity during the pinning prosses and 90% during the croping
here read this http://www.shroomery.org/forums/showflat.php/Cat/0/Number/3290155/an/0/page/0


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At the bottom of this page is a search bar to search all the post and threads on the forum so you can see all the other 500 people who asked the same thing.use the top search too it has shroomery approved FAQs USE IT YOU CAN DO IT !


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Offlinenugjug
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Re: Humidity to high to case [Re: Dem_Bones]
    #5416585 - 03/18/06 05:07 PM (17 years, 10 months ago)

OK yeah, I see what you mean. Right now the humidity at that level isn't to much of a problem. But one of them has already started to pin pretty heavily and I'm worried that once the cropping phase initiates that there will be to much humidity. Is it possible that since they are roughly 90% water anyway that once they start to fruit they will naturally lower the humidity to a more optimal level?


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Offlinenugjug
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Re: Humidity to high to case [Re: nugjug]
    #5417474 - 03/18/06 10:41 PM (17 years, 10 months ago)

After looking at some other box ideas I guess I'll take willmafingerdo's advice and go with the polyfil idea as it is simpler. I have polyfil and tyvek. Does anyone have a suggestion as to which I should use for this application?


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Offlinepimpot420
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Re: Humidity to high to case [Re: nugjug]
    #5421985 - 03/20/06 10:50 AM (17 years, 10 months ago)

I always keep the humidity at 100% for my casings. Works great.


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InvisibleCitric
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Re: Humidity to high to case [Re: pimpot420]
    #5422006 - 03/20/06 10:54 AM (17 years, 10 months ago)

I fruit at 95%+ all the time. No worries. Just get more air exchange for fatter fruits.


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Self Healing lid tek ** Update 10.17.17 **
Mini casing pictures: Pins to harvest
Cup O' Shrooms
Magash:  I noticed my contams were in the shape of fingers :whack:
Hyphae:  Yes  "Loss of moisture from the substrate"  is not a casing trigger.  :cuckoo:

My final Grow!


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OfflineRogerRabbitM
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Re: Humidity to high to case [Re: Citric]
    #5422378 - 03/20/06 12:51 PM (17 years, 10 months ago)

Drill some holes in that container asap. Filtering isn't required or even helpful in the fruiting environment. Leave the polyfill out of the holes and you'll get more circulation. FAE=Free Air Exchange.
RR


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OfflineJustK
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Re: Humidity to high to case [Re: RogerRabbit]
    #5422419 - 03/20/06 01:02 PM (17 years, 10 months ago)

Interesting RR. Almost everyone this board says that you need to have Polyfill in Monotubs and PMP's to prevent contams from entering.

I may try removing the polyfill as you suggest because i cannot get my RH down below 94% in my PMP and I have probably 12 holes in the lid.

Although I have had no problems fruiting with the RH being that high, I want to see what kind of results I would get from having the proper RH range for casings.


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Offlinenugjug
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Re: Humidity to high to case [Re: JustK]
    #5424195 - 03/21/06 12:14 AM (17 years, 10 months ago)

Thank you everyone for all of your help. This is really a great forum. I'm going to start drilling right now.


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Offlinerezin8r
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Re: Humidity to high to case [Re: JustK]
    #5425055 - 03/21/06 12:22 PM (17 years, 10 months ago)

i thought FAE meant FRESH Air Exchange.


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Offlinefungiamongi2
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Re: Humidity to high to case [Re: rezin8r]
    #5425313 - 03/21/06 01:27 PM (17 years, 10 months ago)

^^ met too


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