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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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PhytoExtractum Shop: Maeng Da Thai Kratom Leaf Powder

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Re: Perlite humidification NOT working! [Re: TrippinRhino]
    #738120 -

>So then, lets say tha you have 78 degrees inside your >terrarium and 72 degrees outside in your house and you
>see condensation on the walls of the terrarium. The air
>inside is at saturation for 72 degrees...equvalent to 100%
>humidity at 72 degrees...you can bet you ass that the
>humidity is well into the 90s for 78 degrees....do we see
>clearly now?

Hmmm, let?s take a look at this.....

The water saturation pressure at 71.6?F is 2.6447 kPa.
The water saturation pressure at 77.0?F is 3.1690 kPa.

This means, if you have an inside terrarium air temperature of 77?F and an outside (terrarium wall)temperature of 71.6?F, you will still have condenstion, although the relative humidity inside could be as low as only
2.6447/3.1690 = 83.45%.


Data source:
http://dbhs.wvusd.k12.ca.us/GasLaw/Vapor-Pressure-Data.html


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Perlite humidification NOT working! [Re: Anno]
    #738136 -

Well there is condensation but not much humidity. I birthed my cakes just now, ill see how the god damnit rH does... All i know is perlite is a bitch!

Fd


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___________________________________________________________________
Fd3000 is really a brown dancing monster. He uses the info he gets from his crazy dreams to help those in need. Too bad he doesn't really exist...

"I could walk up to the president and blow smoke in his stupid monkey face and all he could do is stand there grooving on it" - Homer Simpson

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Re: Perlite humidification NOT working! [Re: Fd3000]
    #738190 -

Have you calibrated the hygrometer?


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Perlite humidification NOT working! [Re: Anno]
    #738205 -

Its an electric one, i dont think you can even calibrate it....


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___________________________________________________________________
Fd3000 is really a brown dancing monster. He uses the info he gets from his crazy dreams to help those in need. Too bad he doesn't really exist...

"I could walk up to the president and blow smoke in his stupid monkey face and all he could do is stand there grooving on it" - Homer Simpson

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Re: Perlite humidification NOT working! [Re: Fd3000]
    #738209 -

But you can check it with the calibration method. Then you know if and how much it?s off.

Check out the faq....


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Perlite humidification NOT working! [Re: Fd3000]
    #739397 -

get a heating pad and put it under your container, youll be up to the right RH in no time

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Re: Perlite humidification NOT working! [Re: windex]
    #740003 -

I am having a similar problem, as it is getting rather cold were i live at the moment i thought i had better invest in some heating for my terrarium. I am using a 100w globe controlled by a thermostsat set on 25 degrees (75 for you americans ).
This keeps the temp nice but it seems to drop the humidity down to just below 70. when i let the temp drop to say 20 degrees the humidity rises to like 80-85 within minuets. Any ideas on how to increase my humidity at 25 degrees??/


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Pull the tape worm out of your ass!
-System of a Down
http://deoxy.org/mckenna.htm
http://www.shaman-australis.com/

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Re: Perlite humidification NOT working! [Re: Fd3000]
    #740505 -

So....did you test it?


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Perlite humidification NOT working! [Re: Fd3000]
    #745181 -



what perlite?

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Re: Perlite humidification NOT working! [Re: walt]
    #745195 -

Alright well i waited 24 hours and the rH was still shit with the perlite. I went out and got an air-pump and hose to attach to it. My terr is small and had no room for a bubbler so i improvised. I emptied all the shitty perlite/water out and taped the hose to the bottom of the terr with water proof tape. I then poked 2 holes in the hose every 1 inch. Then i put a new perlite/water mix in over the hose. I turned on the bubbler and the it was like perlite humidification with little bubbles comming out everywhere. Now my rH is 99%-100%.

Thanks for all the help everybody!
Fd


--------------------
___________________________________________________________________
Fd3000 is really a brown dancing monster. He uses the info he gets from his crazy dreams to help those in need. Too bad he doesn't really exist...

"I could walk up to the president and blow smoke in his stupid monkey face and all he could do is stand there grooving on it" - Homer Simpson

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PhytoExtractum Shop: Maeng Da Thai Kratom Leaf Powder

Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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