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Offlinelovepalace
FunGuy
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Registered: 05/08/05
Posts: 64
Loc: God's Country
Last seen: 7 years, 12 days
Does temp effect humidity?
    #4166274 - 05/12/05 02:29 PM (11 years, 6 months ago)

I'm using the perlite tech with a bubbler and air pump. What I've noticed is that the humidity fluctuates with the temp. At 70 deg. the humidity reads 99%, at 73 deg the humidity reads 95%, at 76 deg the humidity reads 90%. so as the temp increases the humidity decreases. Is this normal? Could it be inaccuracy with the gage? It's a basic indoor outdoor Gage from home depot. I birthed my BRF cakes six days ago and no pinning yet. I know Patience is a virtue but the anxiety is killing me! Do you think that humidity has anything to do with the lack of pinning? :confused:


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Offlinethenewguy05
The Mushroom Man
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Registered: 02/11/05
Posts: 2,123
Loc: My Underground Layer
Last seen: 3 years, 4 months
Re: Does temp effect humidity? [Re: lovepalace]
    #4166281 - 05/12/05 02:32 PM (11 years, 6 months ago)

yes temp acts against the humidity. when my tub is at 86 the humidity stays at 85-87%, as soon as i drop the temp to 74-76 (where it's suppose to be for cropping) the humidity shoots right back up.When you are initiating primordia formation you should look at the key factors, humidity, co2, light,and the temp. give it more fresh air, drop the temp to low 70's, and keep the humidity at least 90%. that should be enough but in case it's not last resort is expose it to light. natural light is best but if you are going to try something indoors, use a blue spectrum/aquarium bulb.


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InvisibleTurned_To_Stone
underachiever
Registered: 04/09/05
Posts: 100
Loc: USA
Re: Does temp effect humidity? [Re: thenewguy05]
    #4166316 - 05/12/05 02:48 PM (11 years, 6 months ago)

Be patient...my first pins took 11 days before they showed....guess they were a little shy !

Good Luck to ya'

P.S Best humidity my meter ever showed was 89% humidity !


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Offlinescrname
Stranger

Registered: 03/09/05
Posts: 196
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Re: Does temp effect humidity? [Re: thenewguy05]
    #4166323 - 05/12/05 02:50 PM (11 years, 6 months ago)

Ya if i can remember back to high school science the warmer the air is the more mosture it can hold. So when you drop the tempature the humidity goes up because the air can hold less water.


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Invisibledeathbychimney
45th GenerationRoman
Registered: 02/26/05
Posts: 239
Re: Does temp effect humidity? [Re: scrname]
    #4166475 - 05/12/05 03:31 PM (11 years, 6 months ago)

RH=vapor pressure/saturation vapor pressure


if you have 100% humidity at a higher temperature you will have more water vapor in the air than if you had 100% humidity at a lower temperature


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Offlinescatmanrav
Brainy Smurf

Registered: 05/08/04
Posts: 11,483
Loc: Flag
Last seen: 3 years, 10 months
Trusted Cultivator
Re: Does temp effect humidity? [Re: deathbychimney]
    #4166610 - 05/12/05 03:58 PM (11 years, 6 months ago)

Quote:

deathbychimney said:
RH=vapor pressure/saturation vapor pressure


if you have 100% humidity at a higher temperature you will have more water vapor in the air than if you had 100% humidity at a lower temperature




And just as this is true...at a higher temperature your humidity guage should read lower, if the amount of moisture in the air stays the same. Still same amount of moisture in the air, but a smaller percent of moisture (since percent has to do with the full ability of the air to hold the moisture).


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


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