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Amazon Shop: ½ Pint Jars, Hygrometer, pH Test Strips

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InvisiblePeterthinks
(Caulking) gun for hire

Registered: 11/10/04
Posts: 2,379
Calibrate your Hygrometer,or take accurate readings without one
    #3446079 - 12/04/04 04:39 PM (12 years, 8 months ago)

I posted this somewhere else for some other reason but I think it can stand on it's own here.
--------snip------------
Or you could take two temperature readings....one with a wet(use room temperature water) piece of cotton tied to the bulb and one with a dry thermometer.
as described here.
http://www.warren-wilson.edu/~physics/PhysSci/humidity_Pressure/RelHumidity.htm
and compare the results on the table here.
http://www.warren-wilson.edu/%7Ephysics/PhysSci/humidity_Pressure/Rel_Humidity_Table.htm
--------------snip------------
When taking the temp in a fruiting chamber use a little battery powered fan to blow on the wet bulb's sock...and the water you use for the sock must be the temp that the grow chamber/incubator is.Put a small jar of water in it beforehand and let it's temperature get to that of the chamber's.You can use the same thermometer for both readings or use two thermometers at the same time.
But make sure they are both accurate or it'll screw up the reading.
:jester:


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Give a man a fire and he will be warm for the rest of the night.
Set a man on fire and he will be warm for the rest of his life.
NEWB NEWBIE NEWCOMER IGNORANT? QUESTIONS?
Click HERE HERE HERE HERE For detailed instructions with pictures on how to grow mushrooms. There is a lot of info on the Shroomery and this is what you need to know.


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Offlineatmosphere
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Registered: 11/01/04
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Re: Calibrate your Hygrometer,or take accurate readings without one [Re: Peterthinks]
    #3446697 - 12/04/04 07:39 PM (12 years, 8 months ago)

Very Helpful. Thanks!


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F.O.T. ..o0o.. Groovin like a Tuvan


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InvisiblePeterthinks
(Caulking) gun for hire

Registered: 11/10/04
Posts: 2,379
Re: Calibrate your Hygrometer,or take accurate readings without one [Re: atmosphere]
    #3447366 - 12/04/04 09:55 PM (12 years, 8 months ago)

You be welcome....
:jester:


--------------------
Give a man a fire and he will be warm for the rest of the night.
Set a man on fire and he will be warm for the rest of his life.
NEWB NEWBIE NEWCOMER IGNORANT? QUESTIONS?
Click HERE HERE HERE HERE For detailed instructions with pictures on how to grow mushrooms. There is a lot of info on the Shroomery and this is what you need to know.


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Offlinehyphae
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Re: Calibrate your Hygrometer,or take accurate readings without one [Re: Peterthinks]
    #3447685 - 12/04/04 11:16 PM (12 years, 8 months ago)

You can also find psychometers on e-bay I've gotten a few for around $20-35 each well worth the investment also replaces the need for a hygrometer and very accurate at high RH whereas hygrometers become less accurate unless you happen to spent the money for a high quality one :wink: Note: don't buy a swing psychometer as they work differently.


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Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
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"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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Offlinelesstutrey
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Re: Calibrate your Hygrometer,or take accurate readings without one [Re: hyphae]
    #3448850 - 12/05/04 05:31 AM (12 years, 8 months ago)

there's some good info. simple cheap psychometer ey. mucho kudo's


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Amazon Shop: ½ Pint Jars, Hygrometer, pH Test Strips

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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