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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
PMP humidity problem - - -
    #3115065 - 09/09/04 07:57 PM (12 years, 2 months ago)

i am only getting 85% Rh. I'm using a profile air pump from petco. I was getting 96% humidity...then:

temp's outside went up
added more water (for fear of h202 content and dilution)
tapped 2 holes in the top. (now are layered with tape) -

Any pro thoughts?
q


--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


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OfflineMad_Hatter2004
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Registered: 06/19/04
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Re: PMP humidity problem - - - [Re: qwon]
    #3115502 - 09/09/04 09:19 PM (12 years, 2 months ago)

Did you use screws and a rubber washer as Magash said to?I didn't and I didn't make FAE holes either.I just slapped some GLAD press-n-seal on over the hole in the lid for light and taped it down with duct tape.Air finds it's way out by building up in the chamber and putting pressure on the press-n-seal and duct tape and making duct tape in some area come unattached to the lid (don't worry about it,this will be you way of FAE,and there are no problems with it).

Try misting the walls of your pmp and quickly shutting the lid afterwards to trap the mist in there,that can help either keep your humidity up or get it back up faster if the pod has been open for a period of time.


--------------------
7 days without waves makes one weak!


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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
Re: PMP humidity problem - - - [Re: Mad_Hatter2004]
    #3115783 - 09/09/04 10:32 PM (12 years, 2 months ago)

so frustrating. - - i went and got a bigger pump - was using 1500 (profile) - now 4000 profile. I'll try to mist and see what happens. figures when i put the cakes in something would phuckup.
thanks mad


--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


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Offlinescape
II
Registered: 08/04/04
Posts: 315
Loc: somewhere but not where y...
Last seen: 11 months, 17 days
Re: PMP humidity problem - - - [Re: qwon]
    #3115969 - 09/09/04 11:13 PM (12 years, 2 months ago)

if your humidity is low.. then you run the risk of cakes drying out and you losing ALL of your work...


--------------------

EVERYTHING I SAY OR DO IS FAKE, IM A COMPULSIVE LIAR, sorry for any confusion this makes.


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OfflineSpudz76
Got mycelium on the brain...
Male

Registered: 02/08/04
Posts: 391
Last seen: 6 years, 8 months
Re: PMP humidity problem - - - [Re: scape]
    #3116679 - 09/10/04 01:29 AM (12 years, 2 months ago)

...though dunking could save them. But running a bit more risk of contams due to the delay and extra handling.


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Invisiblefastfred
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Re: PMP humidity problem - - - [Re: qwon]
    #3116869 - 09/10/04 02:09 AM (12 years, 2 months ago)

Try fanning less. Some people seem to run into problems when they follow hypocritical advice such as "fan them every hour".


-FF


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InvisibleHanky
wiffle bat.
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Registered: 08/30/03
Posts: 56,993
Loc: Great Southern Land.
Re: PMP humidity problem - - - [Re: fastfred]
    #3116907 - 09/10/04 02:21 AM (12 years, 2 months ago)

He's not fanning them,he's using the aquarium pump for air exchange.

Try reading the post before you add your 2cents worth.

Gwon,the problem is probably your humidity gauge. They are unreliable and best and crap at the worst. take it out of your pmp and forget it was ever there.


--------------------
Coaster is an idiot...
[quote]Coaster said:
but i thnk everything thats pure is white?
[/quote]




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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
Re: PMP humidity problem - - - [Re: Hanky]
    #3117177 - 09/10/04 03:34 AM (12 years, 2 months ago)

ok. i took some water out- i'm stressssing cuz i'm not understanding why this is happening - nor why i was able to get 96% humidity before. like i said - i took some water out, got a bigger pump. misted- got it from 80% to 86%. Still not enough and I am afraid of Losing this batch - the first. The hygro-thermo meter is a good one - from radio shack. Any other thoughts appreciated. . q


--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


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Invisiblefastfred
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Registered: 05/17/04
Posts: 6,899
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Re: PMP humidity problem - - - [Re: qwon]
    #3117188 - 09/10/04 03:37 AM (12 years, 2 months ago)

Hygrometers are not usually accurate, even the decent ones. If you want one that is actually accurate at high RHs you will have to spend a lot more. Just go by the other indicators of humidity, such as condensation on the sides... If you are getting that then you will do fine.


-FF


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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
Re: PMP humidity problem - - - [Re: fastfred]
    #3117219 - 09/10/04 03:46 AM (12 years, 2 months ago)

ff- until i misted there wasnt any RH on the walls. i just read that the casing (albeit they are 2 small ones) may disrupt the flow so i have to move them from above the bubblers.. . . it's real tricky - i'll try this


--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


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Offlinegrwsm
navsquid

Registered: 06/29/04
Posts: 182
Loc: up there
Last seen: 11 years, 4 months
Re: PMP humidity problem - - - [Re: qwon]
    #3117248 - 09/10/04 03:53 AM (12 years, 2 months ago)

i seen a thread on how to calibrate your hygrometer with salt, maybe if you do a search for it you can figure out if you hygrometer is the problem


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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
Re: PMP humidity problem - - - [Re: grwsm]
    #3117268 - 09/10/04 04:00 AM (12 years, 2 months ago)



--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


Post Extras: Print Post  Remind Me! Notify Moderator
OfflineSpudz76
Got mycelium on the brain...
Male

Registered: 02/08/04
Posts: 391
Last seen: 6 years, 8 months
Re: PMP humidity problem - - - [Re: qwon]
    #3117436 - 09/10/04 04:44 AM (12 years, 2 months ago)

Quote:

qwon said:
ff- until i misted there wasnt any RH on the walls. i just read that the casing (albeit they are 2 small ones) may disrupt the flow so i have to move them from above the bubblers.. . . it's real tricky - i'll try this



Sounds reasonable, and worth a try.


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InvisibleHanky
wiffle bat.
Male User Gallery
Registered: 08/30/03
Posts: 56,993
Loc: Great Southern Land.
Re: PMP humidity problem - - - [Re: qwon]
    #3117626 - 09/10/04 07:52 AM (12 years, 2 months ago)

Quote:

qwon said:
ok. i took some water out- i'm stressssing cuz i'm not understanding why this is happening - nor why i was able to get 96% humidity before. like i said - i took some water out, got a bigger pump. misted- got it from 80% to 86%. Still not enough and I am afraid of Losing this batch - the first. The hygro-thermo meter is a good one - from radio shack. Any other thoughts appreciated. . q




Like i tried to tell you,hygrometers are shit,even if they start out ok the constant exposure to very high RH screws them up.
Pmp's work. Go roll a spliff,chill out and let your pod run itself.
Condensation on the walls IS NOT an indicator of humidity. it's an indicator of a difference between temperatures inside and outside.
If condensation was caused by humidity the people in florida would have to use thier windsheild wipers 6 months of the year.


--------------------
Coaster is an idiot...
[quote]Coaster said:
but i thnk everything thats pure is white?
[/quote]




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Invisiblefastfred
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Folding@home Statistics
Registered: 05/17/04
Posts: 6,899
Loc: Dark side of the moon
Re: PMP humidity problem - - - [Re: Hanky]
    #3117663 - 09/10/04 08:28 AM (12 years, 2 months ago)

Quote:

hanky said:
Condensation on the walls IS NOT an indicator of humidity. it's an indicator of a difference between temperatures inside and outside.

If condensation was caused by humidity the people in florida would have to use thier windsheild wipers 6 months of the year.




Here is something I pulled up with google: :shocked: :wink:

--------------------
http://www.dpc.ucar.edu/vgee/condensation.htm
Relative humidity is defined as the ratio of the amount of water vapor in the air compared to the amount required for the air to be saturated. (The value is usually expressed as a percentage.) Dew point is defined as the temperature to which air must be cooled (at constant pressure and constant water vapor content) for saturation to occur. How can these two atmospheric measurements give you an idea of how much water vapor is in the air?

Go back to the graphing tool and change its parameters like you've done already. Pay close attention to the dew point and relative humidity. What happens to dew point when you change temperature? What happens to the relative humidity when you get to the dew point? What do you think these measurements actually measure?

Describe a situation from everyday life where it would be helpful to know the dew point. Describe another situation where the relative humidity would be more useful.

For example, which measurement would be more useful for deciding whether it was safe to set a cold glass on a wooden coffee table?

How can a sub-saturated parcel (one that has less than the maximum amount of vapor) be made to produce condensation? Give at least two ways.

Remember what happened in the model as you changed the physical parameters. What do the graphs indicate about maximum vapor amount? How does the air parcel become saturated? Is there a relationship between saturation and condensation?

In one or two sentences, explain the fundamental principles of this concept.

Start by making a list of everything you've learned. Go through it and cross out anything that's repeated. Try looking for things that are explained by other things; then cross them off. Can you combine any of the items and explain why they go together? When you think you have a concept, test it by seeing if you can use it to answer questions 1 through 15.
--------------------

If you check out the link and answer all the questions I'll give you an A+(5 shrooms) :wink: :mushroom2: :thumbup: :grin:


-FF


Edited by fastfred (09/10/04 08:35 AM)


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Anonymous

Re: PMP humidity problem - - - [Re: fastfred]
    #3117666 - 09/10/04 08:33 AM (12 years, 2 months ago)

is too difficult for me. i am 'noobie' ^_^


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InvisibleHanky
wiffle bat.
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Registered: 08/30/03
Posts: 56,993
Loc: Great Southern Land.
Re: PMP humidity problem - - - [Re: fastfred]
    #3117667 - 09/10/04 08:33 AM (12 years, 2 months ago)

And your point is?


--------------------
Coaster is an idiot...
[quote]Coaster said:
but i thnk everything thats pure is white?
[/quote]




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Invisiblefastfred
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Registered: 05/17/04
Posts: 6,899
Loc: Dark side of the moon
Re: PMP humidity problem - - - [Re: Hanky]
    #3117677 - 09/10/04 08:42 AM (12 years, 2 months ago)

"The dew point is the temperature to which air would have to be cooled to become saturated ? that is, for its relative humidity to become 100%. High dew points indicate high water vapor content ? high humidity; low dew points indicate low water vapor content."
http://www.usatoday.com/weather/resources/askjack/wahumid.htm

"Relative humidity refers to the amount of moisture air holds in relation to the amount it could possibly hold at a given temperature. When the air reaches dew point, it is said to be saturated. This is when relative humidity reaches 100% and condensation occurs. Condensation shows up as small droplets of water. It forms on surfaces in the home that are cooler than air temperature. An outside example is dew on the grass in the morning."
http://www.leeric.lsu.edu/bgbb/7/ecep/comfort/d/d.htm

:smile: :wink:
-FF


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InvisibleHanky
wiffle bat.
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Registered: 08/30/03
Posts: 56,993
Loc: Great Southern Land.
Re: PMP humidity problem - - - [Re: fastfred]
    #3117861 - 09/10/04 11:27 AM (12 years, 2 months ago)

Quote:

fastfred said:
It forms on surfaces in the home that are cooler than air temperature."
http://www.leeric.lsu.edu/bgbb/7/ecep/comfort/d/d.htm

:smile: :wink:
-FF




Like i said to begin with,"Condensation on the walls IS NOT an indicator of humidity. it's an indicator of a difference between temperatures"

Thankyou for doing the research and proving my point.


--------------------
Coaster is an idiot...
[quote]Coaster said:
but i thnk everything thats pure is white?
[/quote]




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Offlineqwon
destroying angel
Registered: 08/21/04
Posts: 324
Last seen: 3 years, 7 months
Re: PMP humidity problem - - - [Re: Hanky]
    #3118779 - 09/10/04 03:45 PM (12 years, 2 months ago)

i'm gonna read that thread you posted - after this - .

So I woke up and the RH indicator said 80%. The casings are pulled from the sides of their appropriate containers and look dead dry. I mist. I decide to phuck it after all this love put into it and go from scratch removing the casings and cakes (2ouble phuck). One of the bubblers (which has a plug) has lost it's plug and the air seeps out the end then through the top proportionately. (3riple phuck). Find the needle in the hay stack and assemble from beginning applying tape to make a better seal as madhatter sed. Now I go on line and have some reading to do, i'm getting older, i have no spliffs to smoke, and I could use to remember why I was getting action in my dream from 2 girls.

I dont know what else to do but now wait and see if there will be a change. If not, them maybe the size of the container is too big (110 qt). QQ


--------------------
'I'm the commander see, I don't need to explain, I do not need to
explain why I say things. That's the interesting thing about being the president.
Maybe somebody needs to explain to me why they say something,
but I don't feel like I owe anybody an explanation.'
- George W. Bush


Post Extras: Print Post  Remind Me! Notify Moderator
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