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PhytoExtractum Shop: Maeng Da Thai Kratom Leaf Powder

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InvisibleFooMan
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Re: PMP humidty [Re: liamtheloser]
    #5887110 - 07/22/06 10:14 AM (17 years, 6 months ago)

Quote:

liamtheloser said:
don't open it!




+1


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Quick WBS Prep


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Offlineunkempt
Im unkempt

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Re: PMP humidty [Re: FooMan]
    #5887174 - 07/22/06 10:47 AM (17 years, 6 months ago)

Just to let u know its not inaccurate...i use the same one...the thing is THE HUMIDITY METER IS FOR "INSIDE" lol.....you have to remove it and extend the humidity thing to inside the box lol...pix...




that should fix yer problems


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Invisibleliamtheloser
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Re: PMP humidty [Re: unkempt]
    #5887191 - 07/22/06 10:53 AM (17 years, 6 months ago)

ahahahaah, i didn't even SEE THAT!!! hahahaha

yeah, put the whole unit into the FC, doh!


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Offlinethe_END
Mr. E
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Re: PMP humidty [Re: liamtheloser]
    #5887652 - 07/22/06 01:58 PM (17 years, 6 months ago)

hahahaha omg omg
wow ok ill put the whole damn thing in haha


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Offlineunkempt
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Re: PMP humidty [Re: the_END]
    #5887692 - 07/22/06 02:13 PM (17 years, 6 months ago)

just to let u know if u put that whole thing in its gunna go out in a few weeks...atleast my first one did since its made for "inside" use i just opened it and extended the humidity sensor and left the setup outside of my fc and put the 2 sensors inside of it


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Mr. E
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Re: PMP humidty [Re: unkempt]
    #5887724 - 07/22/06 02:21 PM (17 years, 6 months ago)

yea im going to do that in a bit too... but as of now... it decided to just say "hi" as soon as it reached 90% humidity?

edit: my post got cut off wtf?


Edited by the_END (07/22/06 02:22 PM)


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Offlineunkempt
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Re: PMP humidty [Re: the_END]
    #5887836 - 07/22/06 03:09 PM (17 years, 6 months ago)

yea on that one anything over 90% is "hi"


Edited by unkempt (07/22/06 03:09 PM)


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Mr. E
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Re: PMP humidty [Re: unkempt]
    #5887868 - 07/22/06 03:24 PM (17 years, 6 months ago)

alright, jsut extened the humidity sensore and now everything is setup... even though it says Hi, is my humidity actualy high enough?

bc all i am sure of is my humidity is 90%<


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Invisibleliamtheloser
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Re: PMP humidty [Re: the_END]
    #5888047 - 07/22/06 04:23 PM (17 years, 6 months ago)

If it says high, you'll be doing just fine :laugh:  The perlite ALONE will keep it around 95, when you add the bubble wands, that'll keep it ~100% no problem.


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OfflineHoss
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Re: PMP humidty [Re: liamtheloser]
    #5888055 - 07/22/06 04:26 PM (17 years, 6 months ago)

I've got a tip for you.

Take that hygrometer and baseball-bat it across the yard.

See all the water droplets forming on the sides of the tub? There's your new humidity indicator. :smile:


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Invisibleliamtheloser
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Re: PMP humidty [Re: Hoss]
    #5888066 - 07/22/06 04:32 PM (17 years, 6 months ago)

Water droplets have very little to do with humidity levels.. That's condensation... That's caused by temperature difference... It's warmer INSIDE the FC, therefore the water droplets form on the inside... whereas a can of cola will form water on the OUTSIDE of the can, because it's warmer on the OUTSIDE.


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Invisibledecepticon
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Registered: 07/10/06
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Re: PMP humidty [Re: liamtheloser]
    #5888074 - 07/22/06 04:36 PM (17 years, 6 months ago)

condensation actually lowers the humidity inside.

Hoss, you are wrong.
good call liam.

the condensation also will breed bacteria and obviously
it robs moisture from the air, hense the lower humidity.

Raise the temp outside the fc.


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Invisiblefastfred
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Re: PMP humidty [Re: decepticon]
    #5888168 - 07/22/06 05:13 PM (17 years, 6 months ago)

> Water droplets have very little to do with humidity levels..

Arrgh... Do a bit of research into humidity vs. temp and condensation. I'll save the physics lesson for later.


-FF


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Invisibleliamtheloser
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Re: PMP humidty [Re: fastfred]
    #5888176 - 07/22/06 05:17 PM (17 years, 6 months ago)

So the water droplets are an indication of 100% humidity? because my FC's never have water droplets but are at 100% all the time... what are you saying freddy


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Offlinethe_END
Mr. E
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Re: PMP humidty [Re: liamtheloser]
    #5888226 - 07/22/06 05:37 PM (17 years, 6 months ago)

heat around FC raised.. i will check on condesnsation in a bit


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OfflineHoss
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Re: PMP humidty [Re: liamtheloser]
    #5888230 - 07/22/06 05:38 PM (17 years, 6 months ago)

Yes, when the surface of the terrarium is cooler than the air on the inside of the terrarium, condensation occurs. However, condensation also occurs when the water vapor capacity of the air is exceeded.

When the temperature of the air falls to, or below the dew point temperature, the condensation of excess water vapor occurs.

At the dew point, your relative humidity will be 100%. I would consider condensation to be a fairly reliable indicator of relative humidity.



Edited by Hoss (07/22/06 05:45 PM)


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Invisiblemonstermitch
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Re: PMP humidty [Re: Hoss]
    #5888327 - 07/22/06 05:59 PM (17 years, 6 months ago)

:popcorn:


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Invisiblefastfred
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Re: PMP humidty [Re: monstermitch]
    #5889535 - 07/23/06 01:22 AM (17 years, 6 months ago)

> what are you saying freddy

Thanks for the explanation Hoss.

The water holding capacity of air is directly related to the temperature. If you have condensation that means you have 100% RH at the surface of the walls.

If your walls are the same temp as the FC and you have condensation you have 100% RH in your FC. If the walls are cooler then you have 100% RH on the surface of the walls, but since the FC is warmer you will have less than 100% RH at the center of the FC.

If your inside/outside temp is stable and the same then condensation is a good indicator of RH. If you temp keeps changing this will cause condensation on the walls at less than 100% RH, and will reduce the humidity in the FC.

So if you have a stable temp then condensation is a great indicator of RH. 1-2 degrees is no big deal and will cause condensation when the walls hit the dew point of the RH in your chamber.

The only time condensation is not a good indicator of RH is when the FC is significantly warmer than the temp of the room.


-FF


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OfflineHoss
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Re: PMP humidty [Re: fastfred]
    #5889700 - 07/23/06 03:39 AM (17 years, 6 months ago)

Thanks for the backup Fred :wink:.


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