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Offlineinvitro


Registered: 05/03/13
Posts: 2,529
Last seen: 1 year, 1 month
Re: Mono tub too dry?? [Re: PussyFart]
    #19480479 - 01/27/14 09:10 AM (10 years, 11 months ago)

Quote:

PussyFart said:
Quote:

cli_hlt said:
Yeah, that's right (condensation-moisture-temperature difference).

However, when u do a tub, condensation _mostly_ means good humidity.



No, it doesn't.

It means that the substrate is producing heat, and the air inside the tub is warmer than the air outside the tub.

Even if there was only 20% humidity, with that temperature differential there would still be condensation.

SGFC have 90%+ humidity at all times and NEVER has condensation.  How does that work?





to clarify, the temperature differential has to be significant enough to produce condensation if the RH is less than 100%.  A minor temp. difference will not form condensation.

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OfflinePussyFart
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Registered: 04/08/12
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Re: Mono tub too dry?? [Re: wolf8312]
    #19480483 - 01/27/14 09:12 AM (10 years, 11 months ago)

Quote:

wolf8312 said:
Are you saying that if I just leave the condensation alone it would then create higher levels of RH in my tubs through evaporation?



Only if enough FAE is given to evaporate it.

In a monotub that would mean too much FAE.

The consensus for a monotub is you want condensation on all the walls, except for a slight ring of dryness around each hole.

This ring of dryness is an indicator of having good FAE/circulation.

If you have too much FAE, the rings of dryness will get bigger, the walls will dry up, along with possibly the substrate.

It's like a balancing act lol. Some condensation and some dryness = good conditions.


Quote:

wolf8312 said:
But would that not mean that condensation can indeed raise the humidity? As long as I let it evaporate?



There being condensation will not raise humidity.

Evaporation of moisture in general will, and with good FAE this will happen regardless of where the moisture is.

Quote:

wolf8312 said:
Are u saying that condensation alone may not mean that you have good RH, but that it will -if you wait- eventually produce more humidity in a tub?



No, not at all.

I am saying that....

Quote:

wolf8312 said:
condensation DOES NOT mean that you have good RH



Period.......

A SGFC has 90+% humidity and never has condensation because there is no temperatrure differential, the outside air is the same temperature as the air inside the chamber.

Edited by PussyFart (01/27/14 09:15 AM)

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Offlinewolf8312
Pennywise
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Registered: 10/01/12
Posts: 2,547
Last seen: 1 day, 5 hours
Re: Mono tub too dry?? [Re: PussyFart]
    #19480492 - 01/27/14 09:15 AM (10 years, 11 months ago)

Thanks hacker! I'd call you pussy fart but I dont want u to take that as an insult! :smile:


--------------------
"I'm every nightmare you ever had. I am your worst dreams come true. I am everything you ever were afraid of."

Pennywise the dancing clown


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Offlineinvitro


Registered: 05/03/13
Posts: 2,529
Last seen: 1 year, 1 month
Re: Mono tub too dry?? [Re: wolf8312]
    #19480512 - 01/27/14 09:21 AM (10 years, 11 months ago)

Quote:

wolf8312 said:
Thanks dude! But cant quite wrap my head around it, so please bear with me!

Quote:

Now if the water on the walls is allowed to evaporate, it would then go back into the air, raising the RH.





Are you saying that if I just leave the condensation alone it would then create higher levels of RH in my tubs through evaporation?

But would that not mean that condensation can indeed raise the humidity? As long as I let it evaporate?

Are u saying that condensation alone may not mean that you have good RH, but that it will -if you wait- eventually produce more humidity in a tub?

But does that not mean that condensation will -if only eventually- create humidity? 

Thanks! :thumbup:




The dew will only evaporate if the temperature of the plastic wall rises above the dew point and the RH is less than 100%.  But like NAH said, that would indicate too much FAE.

Edited by invitro (01/27/14 09:34 AM)

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OfflinePussyFart
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Registered: 04/08/12
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Re: Mono tub too dry?? [Re: wolf8312]
    #19480522 - 01/27/14 09:26 AM (10 years, 11 months ago)

Quote:

wolf8312 said:
Thanks hacker! I'd call you pussy fart but I dont want u to take that as an insult! :smile:



Never buddy......it's my name for a reason, lol.

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