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Offlineclones2
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Registered: 02/01/10
Posts: 47
Last seen: 14 years, 9 months
Whats the ideal humidity% for growing?
    #12029758 - 02/14/10 07:17 PM (14 years, 10 months ago)

Have done some researching on this... but what's the agreed upon RH% for growing mushrooms?

AND... whats the cutoff for the lowest levels where you can still get good growth?  Will 85% work....or is being into the 90's critical?

I'm on day 3 in the FC with fully colonized cakes and nothing yet...  just want to be sure I've got the RH% where it needs to be.

Thanks.

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OfflineThaddeus0
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Registered: 02/11/10
Posts: 36
Last seen: 13 years, 27 days
Re: Whats the ideal humidity% for growing? [Re: clones2]
    #12029877 - 02/14/10 07:32 PM (14 years, 10 months ago)

About 90% from what I hear. I believe the figure is that fruiting mushrooms, (carpophores), are ~90% water by weight. There is plenty of advice on the forums for the ideal conditions inside a fruiting chamber. Feel free to look around or search.

How have you got your fruiting chamber set up?

Edited by Thaddeus0 (02/15/10 12:48 PM)

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Offlinepunkrocker292004
i am a liar
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Registered: 12/17/09
Posts: 2,921
Loc: Flag
Last seen: 3 years, 3 months
Re: Whats the ideal humidity% for growing? [Re: clones2]
    #12029887 - 02/14/10 07:34 PM (14 years, 10 months ago)

the biggest pining trigger is water evaporating off the sub (mist then fan) 85 should be alright 90's is optimal


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Offlineclones2
Cyclone

Registered: 02/01/10
Posts: 47
Last seen: 14 years, 9 months
Re: Whats the ideal humidity% for growing? [Re: punkrocker292004]
    #12030025 - 02/14/10 07:54 PM (14 years, 10 months ago)

I had to buy a cheaper digital hygrometer.  Actually...seems to be pretty sensitive and working well at high %'s.  I'm anywhere between 88% and 91% with that.  72 degrees...

Basically have the setup from mushroomvideos.com  3-4" of perlite with my cakes on foil.  Smaller terrarium.  Maybe 20" x 12" wide... 16" tall.

I have about a dozen holes in the side right at the bottom of the perlite...but nothing directly underneath.  As well as a good amount of holes on all 4 sides and the top.

I mist and fan about every few hours...at least 6 times a day.

Thanks.

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InvisibleDoc_T
Random Dude
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Registered: 03/06/09
Posts: 42,395
Loc: Colorado Flag
Re: Whats the ideal humidity% for growing? [Re: clones2]
    #12030079 - 02/14/10 08:01 PM (14 years, 10 months ago)

Digitals seem to vary in quality- some people get good ones, and you might be one of the lucky ones.
If the things does work- don't kill it.


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You make it all possible. Doesn't it feel good?

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Offlineclones2
Cyclone

Registered: 02/01/10
Posts: 47
Last seen: 14 years, 9 months
Re: Whats the ideal humidity% for growing? [Re: Doc_T]
    #12034518 - 02/15/10 02:55 PM (14 years, 10 months ago)

Just an update that my RH is still seems to be staying between 89% - 93%...  Day 4 in the FC and from last night until this morning... I believe I have knots or pins starting to form.  I think they are looking really good.

First grow... so who knows whats going to happen. :-)

Any change need to be made to the misting at this point?

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Offlineroaddog
turnip
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Registered: 09/29/09
Posts: 2,288
Loc: third rock from the sun Flag
Last seen: 4 years, 8 months
Re: Whats the ideal humidity% for growing? [Re: clones2]
    #12034559 - 02/15/10 03:01 PM (14 years, 10 months ago)

http://here is a picture of what i call perfect conditions. you will have to scroll over to see the gauge. But this gauge is the shit. I haven't had any luck with the digital ones. But this dial hygrometer, is very accurate.i like to keep the humidity at 92% and my temps at 76 degrees

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