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InvisibleSemilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
Humidity 120 % ?????
    #1729634 - 07/19/03 07:04 AM (13 years, 4 months ago)

You know this friend of mine just bought an hygrometer and put it in a plastic bin to measure the RH. The resulting measurement was 120% after 2 hours of putting it inside. Is this possible ? Air is bubbled six times a day, one hour each time, through a mug containing boiled water and H2O2. No hand misting.


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Sr_Setahongo


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Offlinefelix
this and that
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Re: Humidity 120 % ????? [Re: Semilanceata]
    #1729639 - 07/19/03 07:07 AM (13 years, 4 months ago)

you're just gonna get fatasses. no real problem.


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Real botanists laugh at HPS systems, we do however use high pressure sodium in the parking lot. - artthug


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InvisibleSemilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
Re: Humidity 120 % ????? [Re: felix]
    #1729675 - 07/19/03 07:28 AM (13 years, 4 months ago)

Nice man, I like fatasses.


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Sr_Setahongo


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Offlinecdchriscd
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Registered: 04/25/03
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Re: Humidity 120 % ????? [Re: Semilanceata]
    #1729679 - 07/19/03 07:30 AM (13 years, 4 months ago)

I say you drop it to 99%RH.


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InvisibleTxTec
Texas home andheart breaker...

Registered: 12/19/02
Posts: 1,328
Re: Humidity 120 % ????? [Re: Semilanceata]
    #1729720 - 07/19/03 08:14 AM (13 years, 4 months ago)

Quote:

Semilanceata said:
Nice man, I like fatasses. 


Me an Felix agree that you a fatass :shocked:


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I felt a warm warm breeze that melted metal and steele


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OfflineAnnoA
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Re: Humidity 120 % ????? [Re: Semilanceata]
    #1732418 - 07/20/03 03:34 PM (13 years, 4 months ago)

The relative humidity can only reach 100%.
Your hygrometer is crap, try and calibrate it:
http://www.shroomery.org/index/par/7993


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Offlinelysergic
Mycophile!
Registered: 06/09/03
Posts: 691
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Re: Humidity 120 % ????? [Re: Anno]
    #1732739 - 07/20/03 06:01 PM (13 years, 4 months ago)

Here is what 120% humidity means:

say that you have a 50 gallon grow device, and your perlite, water that you poured in and cakes take up 5 gallons worth. Thats 45 remaning gallons. 120% humidity means that all of the remaining space, PLUS 20%, is humidity. Each part of the terrarium has it's own mass, plus 20% more, in water. Impossible.


--------------------
In response to an attack killing 15 American Servicemen
PsiloKitten said:
Just give em a little more time, the iraqis are making great progress. And this is unorganized. Wait till they get organized.


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Offlineshirley knott
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Re: Humidity 120 % ????? [Re: lysergic]
    #1732859 - 07/20/03 06:50 PM (13 years, 4 months ago)

150% is like where an octopus lives


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buh


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OfflineJohnnyR
mi cixelsyd

Registered: 07/07/02
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Re: Humidity 120 % ????? [Re: shirley knott]
    #1732923 - 07/20/03 07:16 PM (13 years, 4 months ago)

lol... water has a relative humitity???


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Offlineshirley knott
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Re: Humidity 120 % ????? [Re: JohnnyR]
    #1732928 - 07/20/03 07:21 PM (13 years, 4 months ago)

250% is pretty wet, like oregon or tasmania wet. and 450% ? wow.


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buh


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OfflineLikwidDrawp
Dance EnergyConjuror

Registered: 07/10/03
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Re: Humidity 120 % ????? [Re: shirley knott]
    #1732934 - 07/20/03 07:26 PM (13 years, 4 months ago)

When it rains the humidity is over 100%

So lysergic... How would over 100% be impossible in a chamber? Please explain I'm just dying to know.


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InvisibleDatDaNK420
SeriousShroomage
Registered: 06/23/03
Posts: 612
Re: Humidity 120 % ????? [Re: shirley knott]
    #1732936 - 07/20/03 07:27 PM (13 years, 4 months ago)

Humidity can only get to 100%, unless ther eis a cloud in ur fruiting chamber and its raining.


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OfflineLikwidDrawp
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Registered: 07/10/03
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Re: Humidity 120 % ????? [Re: DatDaNK420]
    #1732938 - 07/20/03 07:29 PM (13 years, 4 months ago)

*laughs* maybe it is caused from the water being bubbled six times a day?


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Offlineshirley knott
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Re: Humidity 120 % ????? [Re: LikwidDrawp]
    #1732942 - 07/20/03 07:31 PM (13 years, 4 months ago)

Quote:

LikwidDrawp said:
When it rains the humidity is over 100%


you sure about this?



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buh


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OfflineAnnoA
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Re: Humidity 120 % ????? [Re: LikwidDrawp]
    #1732949 - 07/20/03 07:35 PM (13 years, 4 months ago)

>When it rains the humidity is over 100%

Not necessarily.
The definition of relative humidity is based on a water vapor pressure over a flat water surface.
Under certain circumstances (in clouds), the relative humidity(based on that flat surface premise) can be a couple percents higher than 100%.

"Because relative humidity is relative to "saturation" above a flat surface, it is possible to have humidities exceeding 100%. However, because of the ubiquitous presence of condensation nuclei (e.g., dust, salt, etc.), relative humidities in the Earth's atmosphere typically do not exceed 100% at the surface or 102% within clouds."


For details, read the following 2 links:
http://www.ems.psu.edu/~fraser/Bad/BadClouds.html and http://fermi.jhuapl.edu/people/babin/vapor/index.html


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InvisibleDiploidM
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Re: Humidity 120 % ????? [Re: Anno]
    #1733864 - 07/21/03 02:46 AM (13 years, 4 months ago)

Quote:

The relative humidity can only reach 100%.




You've never been to south Florida.  :cool:

-Diploid 


--------------------
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1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.


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InvisibleSemilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
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Re: Humidity 120 % ????? [Re: Anno]
    #1734444 - 07/21/03 11:12 AM (13 years, 4 months ago)

Thanks man, you saved my casings.


--------------------
Sr_Setahongo


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InvisibleSemilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
Re: Humidity 120 % ????? [Re: Anno]
    #1735322 - 07/21/03 04:50 PM (13 years, 4 months ago)

Hey man, how did you know it is an analog hygrometer ? Does these false measures not happen with digital ones. Another thing, the hygrometer itself is supposed to be a good one, at least that?s what this MF of salesman told me, he said: It?s the best cigar analog hygrometer ever done. It cost me 30 euros= 30 $ (more or less). Did they cheat me ? Please tell me, cause if so, I?m gonna kill this MF tomorrow morning.



--------------------
Sr_Setahongo


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OfflineAnnoA
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Re: Humidity 120 % ????? [Re: Semilanceata]
    #1737150 - 07/22/03 03:19 AM (13 years, 4 months ago)

>how did you know it is an analog hygrometer ?
I didn?t really.

>Does these false measures not happen with digital ones.
It does, it does.
The good thing with the analog hygrometers is that you can calibrate them easily.


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Invisiblekoraks
Registered: 06/02/03
Posts: 25,083
Re: Humidity 120 % ????? [Re: Semilanceata]
    #1737398 - 07/22/03 06:13 AM (13 years, 4 months ago)

If your hygrometer measures 120% RH in your terrarium, it's at least crappy calibrated. Possibly the meter itself is just crappy. Go back to the shop and get a different one. ? 30,- is worth the hassle.


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Amazon Shop for: Hygrometer, Perlite

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