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InvisibleCaptain Cubensis
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95% Humidity is fine for fruiting Cased Substrates
    #7840097 - 01/06/08 03:24 PM (16 years, 26 days ago)

For years people have been struggling with, why is my humidity only 92%, or why is my casing drowned in water.

The truth is, trying to maintain 100% Rh will ruin your project.

82% to 92% is fine for casings.

So many posts deal with this issue, and the reason is this myth/lie.

Yes, I know 95% Rh does not cause all surfaces to condense in all climates and conditions.

I meant condensation begins in my FC around 95% Rh, there is little to no condensation at 92%, at least not in my foaf's FCs.

The relative humidity of a system is dependent not only on the temperature but also on the absolute pressure of the system of interest. Therefore, a change in relative humidity can be explained by a change in system temperature, a change in the absolute pressure of the system, or change in both of these system properties.

No one talks about pressure in terms of Rh, but it is as much a factor as temp.

Liquid water (and ice, at the appropriate temperature) will fail to lose mass through evaporation when exposed to saturated air.

Therefore there can be no evaporation at 100% Rh with 100% saturated air.

It may also correspond to the possibility of dew or fog forming (condensation), within a space that lacks temperature differences among its portions, for instance in response to decreasing temperature.


Edited by Captain Cubensis (01/10/08 12:32 PM)


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Invisibletahoe
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840134 - 01/06/08 03:33 PM (16 years, 26 days ago)

wiht knowledge like that it is no wonder why you are the captain we arent


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Offlineveda_sticks
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Re: The Myth of 100% Humidity [Re: tahoe]
    #7840159 - 01/06/08 03:37 PM (16 years, 26 days ago)

Are you using pperlite or a humidifier.

If you are using a humidifier, make sure it is the right one. Search.


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

PF TEK - writeup by EvilMushroom666
Lets Grow Mushrooms - RogerRabbit & RoadKills website with sample videos plus the full PF TEK video series. Alot of great information - BUY THE DVD
Cakes can and will pin! - So you think cakes suck for pins. Your wrong
Franks Simple Coir/Verm Tek
Franks Proper Pasturisation Tek
Franks Spawning To Bulk - Monotub
Professor Pinheads RTV Injection Port Tek
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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: tahoe]
    #7840165 - 01/06/08 03:39 PM (16 years, 26 days ago)

Noobs need to hear this though, they are repeatedly told to strive for 100% Rh 24/7, which of course ruins all new projects.


--------------------
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Get 350lbs shipped to your door for only $100!
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Invisibletahoe
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840169 - 01/06/08 03:40 PM (16 years, 26 days ago)

there is a lot of misinformation here


--------------------
Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.


My Legacy
https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987

Teh=The
I need to proofread


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: tahoe]
    #7840188 - 01/06/08 03:47 PM (16 years, 26 days ago)

Everyone starts with perlite, and when the Rh is only mid 80s, they go buy an ultra or cool mist, and pump up the Rh to 99%, soaking everything is a bath of contams and dirty water.


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Offlinexhooliganx
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840225 - 01/06/08 04:01 PM (16 years, 26 days ago)

an impeler type coolmist shouldn't be causeing flooding or ruining your projects unless it is set inside the fc. I keep right up to 95% humidity in my fc using a homemade humidifier with an ultrasonic fogger on a timer, aquarium pump and fan with no problems.


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InvisibleKillerPicklez
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Re: The Myth of 100% Humidity [Re: xhooliganx]
    #7840246 - 01/06/08 04:07 PM (16 years, 26 days ago)

Quote:

xhooliganx said:
an impeler type coolmist shouldn't be causeing flooding or ruining your projects unless it is set inside the fc.  I keep right up to 95% humidity in my fc using a homemade humidifier with an ultrasonic fogger on a timer, aquarium pump and fan with no problems.




:thumbup:

I only use a vicks coolmist and maintain 95% rH and my casings never have a problem

Ive been reading a lot in the past week and havent seen anyone suggest 100% rH for casings, only for cakes.


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: xhooliganx]
    #7840252 - 01/06/08 04:08 PM (16 years, 26 days ago)

Quote:

xhooliganx said:
an impeler type coolmist shouldn't be causeing flooding or ruining your projects unless it is set inside the fc. I keep right up to 95% humidity in my fc using a homemade humidifier with an ultrasonic fogger on a timer, aquarium pump and fan with no problems.




Any pics?


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OfflineNebula
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840255 - 01/06/08 04:09 PM (16 years, 26 days ago)

What will at 100% RH is that water will condense, 'cause the air can hold no more water. So water droplets can appear on your cakes. Now is that really bad? If so, then probably oppose misting too!


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OfflineRogerRabbitM
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Re: The Myth of 100% Humidity [Re: Nebula]
    #7840315 - 01/06/08 04:25 PM (16 years, 26 days ago)

Hang on a second. 100% humidity means the air is saturated. Having the air saturated in no way is going to flood your cakes. What WILL flood your cakes is pumping from a humidifier AFTER the air is already at 100%. That's why I recommend three to five inches of well drained perlite for a terrarium, and no mechanical humidifier. This way, if your humidity reads less than 95%, it means you need to calibrate your hygrometer.

Mycelium will pin best at or near saturation humidity and plenty of fresh air, whether the substrate is cased or not. A casing layer simply helps to hold humidity high right at the surface, under less than ideal ambient conditions. Of course, once pins form, the casing layer also helps to supply the substrate below with moisture, so you want to keep the humidity high to prevent the casing layer from drying out too much between mistings.
RR


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: RogerRabbit]
    #7840473 - 01/06/08 05:08 PM (16 years, 26 days ago)

But what about all the talk that droplets on your pins will casue aborts?

Condensation begins on all surfaces at about 95%.

So if 92% is good enough, why not stop there, assuming the casing layer gives you another 5% micro.

Shouldn't you avoid condensation and misting untill pinset, then provide periodic mistings?


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InvisibleCrasher
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840488 - 01/06/08 05:13 PM (16 years, 26 days ago)

God these posts of yours are getting old...


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: Crasher]
    #7840512 - 01/06/08 05:21 PM (16 years, 26 days ago)

Quote:

Crasher said:
God these posts of yours are getting old...




Yet you take the time to respond but add nothing to the discussion?

There are 100,000 posts to search and read, surely you can ignore mine.

Just ignore me, please.


--------------------
www.groworganic.com
Get 350lbs shipped to your door for only $100!
www.mycosupply.com
Online Organic Rye Berries
www.hydroponics.net/i/200002
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InvisibleDontPlay
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Re: The Myth of 100% Humidity [Re: Crasher]
    #7840529 - 01/06/08 05:23 PM (16 years, 26 days ago)

It's starting to seem that Captain is just trying to say he thought of something new and innovative and is kinda going about it in the wrong way. Im not trying to sound like an ass but im a noob and myself am tired of hearing things that make no sense. You should find the answers to these "enlightened ideas" and then post results of your findings.

I believe the mushrooms and cake will absorb the tiny water droplets created by humidity or misting.They use alot of water in the process from start to finish.

Crashers sig comes to mind
Your idea isn't new or groundbreaking.
Your clever alteration of a tek without understanding the underlying principles will fail.
It's been done before.
Now use the search engine.


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Edited by DontPlay (01/06/08 05:25 PM)


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OfflineHeadFood
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Re: The Myth of 100% Humidity [Re: Crasher]
    #7840579 - 01/06/08 05:37 PM (16 years, 26 days ago)

does this apply with cakes too or do cakes need 100%?


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OfflineRogerRabbitM
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840584 - 01/06/08 05:37 PM (16 years, 26 days ago)

Quote:

Captain Cubensis said:
But what about all the talk that droplets on your pins will casue aborts?

Condensation begins on all surfaces at about 95%.

So if 92% is good enough, why not stop there, assuming the casing layer gives you another 5% micro.

Shouldn't you avoid condensation and misting untill pinset, then provide periodic mistings?




Droplets on your pins will not cause aborts. It's recommended to mist mushrooms. Air exchange must be provided because stagnant water sitting on a mushroom in stagnant air for an extended period WILL cause aborts.

Condensation does not begin on all surfaces at about 95%. My can of cold beer gets condensation in Arizona in the summer. I know it's not 95% there. Condensation forms on my windows in winter, even when humidity in the house is less than 50%. Condensation is a function of the temperature differential on either side of a surface. Condensation forms on the warm side. Condensation won't even form on your mushrooms at 100% humidity. If they get wet, it's because liquid water droplets were thrown on them, not humidity in the air.

92% humidity will be fine with a good casing layer. I prefer higher, but lower will also still work, only requiring more frequent misting.
RR


--------------------
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InvisibleKillerPicklez
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Re: The Myth of 100% Humidity [Re: HeadFood]
    #7840630 - 01/06/08 05:46 PM (16 years, 26 days ago)

Quote:

HeadFood said:
does this apply with cakes too or do cakes need 100%?




This is the exact reason why CaptainCubensis detracts from the community, he has now confused someone.

in my opinion, the higher the humidity, the better, as long as you dont have standing water and provide plenty of FAE you will have great results.

just try to the humidity between 90-99% and you'll be fine


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OfflineHeadFood
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Re: The Myth of 100% Humidity [Re: KillerPicklez]
    #7840682 - 01/06/08 06:05 PM (16 years, 26 days ago)

Thanks killer. Thats what I had thought but casings were the only thing mentioned, just wanted to make sure.


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Offlinesomebody041
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Re: The Myth of 100% Humidity [Re: KillerPicklez]
    #7840699 - 01/06/08 06:09 PM (16 years, 26 days ago)

Quote:

KillerPicklez said:
Quote:

HeadFood said:
does this apply with cakes too or do cakes need 100%?




This is the exact reason why CaptainCubensis detracts from the community, he has now confused someone.

in my opinion, the higher the humidity, the better, as long as you dont have standing water and provide plenty of FAE you will have great results.

just try to the humidity between 90-99% and you'll be fine




Yup, exactly. If you post a question that's fine... but for the love of god please stop posting "information"


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7840767 - 01/06/08 06:32 PM (16 years, 26 days ago)

Quote:

Captain Cubensis said:

The truth is, trying to maintain 100% Rh will ruin your project.

82% to 92% is fine for casings.





I said 82-92 is fine for casings.


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OfflineNibin
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7842401 - 01/07/08 06:00 AM (16 years, 25 days ago)

Quote:

Captain Cubensis said:
Quote:

Captain Cubensis said:

The truth is, trying to maintain 100% Rh will ruin your project.

82% to 92% is fine for casings.





I said 82-92 is fine for casings.




Which we already know. You then continued to post wrong information like that condensation starts on all surfaces at 95% which is a load of rubbish.
http://www.shroomery.org/forums/showflat.php/Number/7825131#7825131

A very good discussion on condensation between fastfred and me, should help clear up your misconceptions on condensation.


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Offlineveda_sticks
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Re: The Myth of 100% Humidity [Re: RogerRabbit]
    #7842408 - 01/07/08 06:05 AM (16 years, 25 days ago)

Quote:

RogerRabbit said:
Quote:

Captain Cubensis said:
But what about all the talk that droplets on your pins will casue aborts?

Condensation begins on all surfaces at about 95%.

So if 92% is good enough, why not stop there, assuming the casing layer gives you another 5% micro.

Shouldn't you avoid condensation and misting untill pinset, then provide periodic mistings?




Droplets on your pins will not cause aborts. It's recommended to mist mushrooms. Air exchange must be provided because stagnant water sitting on a mushroom in stagnant air for an extended period WILL cause aborts.

Condensation does not begin on all surfaces at about 95%. My can of cold beer gets condensation in Arizona in the summer. I know it's not 95% there. Condensation forms on my windows in winter, even when humidity in the house is less than 50%. Condensation is a function of the temperature differential on either side of a surface. Condensation forms on the warm side. Condensation won't even form on your mushrooms at 100% humidity. If they get wet, it's because liquid water droplets were thrown on them, not humidity in the air.

92% humidity will be fine with a good casing layer. I prefer higher, but lower will also still work, only requiring more frequent misting.
RR




This was what i thought aswell, i have been misting my cakes quite heavily then fanning afterwords since following another thread on the subject, noone have aborted yet.


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

PF TEK - writeup by EvilMushroom666
Lets Grow Mushrooms - RogerRabbit & RoadKills website with sample videos plus the full PF TEK video series. Alot of great information - BUY THE DVD
Cakes can and will pin! - So you think cakes suck for pins. Your wrong
Franks Simple Coir/Verm Tek
Franks Proper Pasturisation Tek
Franks Spawning To Bulk - Monotub
Professor Pinheads RTV Injection Port Tek
Foo Mans No Soak WBS Prep Tek


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OfflineDigital Reality
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Re: The Myth of 100% Humidity [Re: somebody041]
    #7842539 - 01/07/08 07:44 AM (16 years, 25 days ago)

Im sure some people would disagree with me but what has always worked great for me and seemed to solve my early on problems with trich (green mold) is growing with the mind set of "the more moisture the better". Granted that only seems to be able to work with constant FAE. My cakes and casings constantly look as if they just were freshly rained on. I have a cool mist running 24/7 on high through two 1 inch tubes and a ultra sonic running 24/7 on low. I put about a quarter cup of alcohol in my humidifiers and PH balanced around 8 since trich loves conditions on the lower side of the ph scale. Other than that I have a drain hole to keep water from pooling up in the bottom of the tank.

Now like I said some people may disagree with this but it seemed like any time I couldn’t be home to mist my cakes a few times a day to keep them moist, I would come home to green mold all over everything. Ever since I switch to mass amounts of FAE and constant rain like conditions if you will, everything has been great.


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InvisibleDontPlay
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Re: The Myth of 100% Humidity [Re: Digital Reality]
    #7842583 - 01/07/08 08:03 AM (16 years, 25 days ago)

You put alcohol in your humidifier's water ? That doesn't sound like the best idea. I would think just following procedure during the process will prevent contaminant's.


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OfflineTwiggs
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Re: The Myth of 100% Humidity [Re: tahoe]
    #7842652 - 01/07/08 08:38 AM (16 years, 25 days ago)

Quote:

tahoe said:
there is a lot of misinformation here




so ive found out :frown:


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OfflineDigital Reality
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Re: The Myth of 100% Humidity [Re: DontPlay]
    #7842657 - 01/07/08 08:41 AM (16 years, 25 days ago)

Well the small amount of alcohol isn't to prevent contams on the cakes or casings. Is more so to keep the water fresh in the tanks. It probably wouldn't be a huge deal in the ultra sonic since i have to fill that up ever 2 days or so. but the cool mist is only filled up once ever week and a half or so. But from what ive read a lot of people on the boards also do the same thing. Some of the techs in the mushroom info section also say to add it.

Either way it doesn't seem to harm anything. If it did I'm sure i would know from the bruising. When i first started growing i ran out of alcohol and figured i could just add a splash of bleach to the tanks. Needless to say with in 5 mins of turning the humidifiers back on everything in my FC was blue and the few pins i had aborted as well as some of the half grown mushrooms. That def wasn't the best idea. Live and learn i guess. lol.


Edited by Digital Reality (01/07/08 08:44 AM)


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OfflineMYSTIQUE
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Re: The Myth of 100% Humidity [Re: Digital Reality]
    #7842672 - 01/07/08 08:51 AM (16 years, 25 days ago)

You should change your name to Cap'n Cubensis like cap'n crunch


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InvisibleDontPlay
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Re: The Myth of 100% Humidity [Re: Digital Reality]
    #7842676 - 01/07/08 08:53 AM (16 years, 25 days ago)

LOL yeah I would want to eat them if they had bleach in them that isn't the safest. I thought people added peroxide to keep the water clean. Never the less if its working and not harming anything thats cool. I just thought it might I wouldn't be happy if someone was spraying me with alcohol lol.


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OfflineFraggin
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Re: The Myth of 100% Humidity [Re: DontPlay]
    #7842752 - 01/07/08 09:19 AM (16 years, 25 days ago)

Fog. 100%RH. Also, the term relative humidity is a relative term and like all relative terms, subjectivity exists.


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OfflineDigital Reality
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Re: The Myth of 100% Humidity [Re: DontPlay]
    #7843324 - 01/07/08 12:07 PM (16 years, 25 days ago)

Well the thing with peroxide is it breaks down in water with in a few mins if i remember correctly. its just water with an extra oxygen in it (H2o2). It might last longer than a few mins but from what i read it breaks down into regular water pretty quick. So its pretty much worthless in that aspect.

I have heard of people using iodine though to keep it fresh. never tried it myself. but ive seen a few posts on that.


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: Digital Reality]
    #7843428 - 01/07/08 12:54 PM (16 years, 25 days ago)

Yes, I know 95% Rh does not cause all surfaces to condense in all climates and conditions.

I meant condensation begins in my foaf's FCs around 95% Rh, there is little to no condensation at 92%, at least not in my foaf's FCs.

The relative humidity of a system is dependent not only on the temperature but also on the absolute pressure of the system of interest. Therefore, a change in relative humidity can be explained by a change in system temperature, a change in the absolute pressure of the system, or change in both of these system properties.

No one talks about pressure in terms of Rh, but it is as much a factor as temp.

Liquid water (and ice, at the appropriate temperature) will fail to lose mass through evaporation when exposed to saturated air.

Therefore there can be no evaporation at 100% Rh with 100% saturated air.

It may also correspond to the possibility of dew or fog forming (condensation), within a space that lacks temperature differences among its portions, for instance in response to decreasing temperature.


Edited by Captain Cubensis (01/09/08 12:13 PM)


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OfflineNebula
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7843641 - 01/07/08 01:46 PM (16 years, 25 days ago)

Quote:

Captain Cubensis said:The truth is, trying to maintain 100% Rh will ruin your project.



I wish you would back up your claims a little more. Give us the resources confirming your information. Or is it based on your personal experience? If so, describe your experiment and we can discuss your findings.
But you present your thoughts as facts without backing it up. This confuses newbies.


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Offlinexhooliganx
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Re: The Myth of 100% Humidity [Re: Nebula]
    #7846015 - 01/07/08 09:51 PM (16 years, 25 days ago)

captain cubensi is a renigger. always renigging on what he said by changing his origional post and post title.

yes that's right a renigger.


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OfflineTwiggs
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Re: The Myth of 100% Humidity [Re: xhooliganx]
    #7846048 - 01/07/08 09:59 PM (16 years, 25 days ago)

Quote:

xhooliganx said:
captain cubensi is a renigger. always renigging on what he said by changing his origional post and post title.

yes that's right a renigger.





i say African engineering


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7847017 - 01/08/08 07:41 AM (16 years, 24 days ago)

Quote:

Captain Cubensis said:

The truth is, trying to maintain 100% Rh will ruin your project.






I must have missed this to start with, but in what way shape or form will trying to maintain 100% ruin your project. I know that a ultra sonic isn't actual humidity, but it sure is a lot more moisture in the air that 100% RH. And as i said before i run mine 24/7 with a cool mist 24/7 and have great results. i just don't understand why people seem to think to much moisture is bad. or water droplets on cakes or mushrooms is bad. I have seen no evidence to prove otherwise and my cakes and casings are constantly wet like they have been rained on. I mean have you ever seen mushrooms in nature after a rain. They look like they have never been better.

The problem with to much moisture and people trying to grow at home IMO is they just don't have enough FAE to back up the extra moisture. So they have standing water in stale air. And the next thing you know, they have contams.

just my 2cents from my experience.


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InvisibleCaptain Cubensis
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Re: 95% Humidity is fine for Casings. [Re: Digital Reality]
    #7853350 - 01/09/08 12:24 PM (16 years, 23 days ago)

Yes, I think you are correct, it isn't too much moisture that ruins projects, it's a lack of FAE.

If you achieve 100% Rh with FAE, you are golden, I never disputed that for a minute.

What I meant was, look at how many posts are from people stressing over why their digital hygrometer only reads 92-95% Rh, and that they should not worry so much at first.

Digital Hygrometers are junk, and most casings will fruit fine at 92% Rh, with loads of FAE.

If your hygrometer reads 92%, you can assume the micro-environment of the casing layer is giving you another 3-5%.

Get an analog hygrometer and calibrate it by wrapping in a damp towel for an hour, then set the needle to 99%.

"And as i said before i run mine 24/7 with a cool mist 24/7 and have great results."
DR

I am sure you do, but just a thought here, instead of running 2 electrical units 24/7, why not drill some holes, fill the bottom of your FC with 5 inches of damp, well drained perlite, and set the ultra on a timer to saturate the air every 20 minutes.

Most ultras on high can saturate a large FC within 5 minutes, and the air will stay at 99% for about 20 minutes, depending on conditions of course.

Running the ultra just three times per hour means you would be at 99% Rh nearly 24/7 but cut your electricity usage by more than 80%, while achieving the same goal.


--------------------
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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7853554 - 01/09/08 01:08 PM (16 years, 23 days ago)

Also Digital Hygrometers can't reach accuracy above 75% humitidy...get a hair hygrometer ... its the best you can get IMO...If you buy a digital hygrometer...do me a favor and throw it in the freeway


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7853577 - 01/09/08 01:13 PM (16 years, 23 days ago)

Quote:

Captain Cubensis said:
Yes, I think you are correct, it isn't too much moisture that ruins projects, it's a lack of FAE.

If you achieve 100% Rh with FAE, you are golden, I never disputed that for a minute.

What I meant was, look at how many posts are from people stressing over why their digital hygrometer only reads 92-95% Rh, and that they should not worry so much at first.

Digital Hygrometers are junk, and most casings will fruit fine at 92% Rh, with loads of FAE.

If your hygrometer reads 92%, you can assume the micro-environment of the casing layer is giving you another 3-5%.

Get an analog hygrometer and calibrate it by wrapping in a damp towel for an hour, then set the needle to 99%.

"And as i said before i run mine 24/7 with a cool mist 24/7 and have great results."
DR

I am sure you do, but just a thought here, instead of running 2 electrical units 24/7, why not drill some holes, fill the bottom of your FC with 5 inches of damp, well drained perlite, and set the ultra on a timer to saturate the air every 20 minutes.

Most ultras on high can saturate a large FC within 5 minutes, and the air will stay at 99% for about 20 minutes, depending on conditions of course.

Running the ultra just three times per hour means you would be at 99% Rh nearly 24/7 but cut your electricity usage by more than 80%, while achieving the same goal.




I keep tellin people that about digital meters, i have one but i dont pay much attention to it, im just using it as a rough guide till i get an adjustable analogue 1.

Some of the readings i have had from my digi gauge are obviously bull.


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7853937 - 01/09/08 02:16 PM (16 years, 23 days ago)

Quote:

Captain Cubensis said:
Digital Hygrometers are junk, and most casings will fruit fine at 92% Rh, with loads of FAE.



Yes, I can confirm this. I've tested 2 digital hygrometers, one is crap, the other one displays a humidity 3-4 percent too low. I carried out this salt test to check its accuracy:

http://www.shroomery.org/forums/showflat.php/Number/4173283#4173283

One showed 71-72% percent humidity, but the crappy one showed 60%, so 15% too low.. unfortunately you cannot calibrate these hygrometers.


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Re: 95% Humidity is fine for Casings. [Re: Nebula]
    #7854001 - 01/09/08 02:31 PM (16 years, 23 days ago)

What is the best analog hygrometer?


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7854030 - 01/09/08 02:35 PM (16 years, 23 days ago)

Quote:

Captain Cubensis said:
What is the best analog hygrometer?




What is the best car? lol

Any what is the best question is impossible to answer, there are too many factors to take into account.

The most accurate? The cheapest? good value? easiness of reading? prettiest? Smallest?


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Re: 95% Humidity is fine for Casings. [Re: Nibin]
    #7854072 - 01/09/08 02:42 PM (16 years, 23 days ago)

Well, let's ask it this way: if the accuracy of the analogue hygrometer has to be +/- 1 percent, what's price should we think of? Do you know any examples of such meters?


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Re: 95% Humidity is fine for Casings. [Re: Nebula]
    #7854130 - 01/09/08 02:54 PM (16 years, 23 days ago)

That's kind of what my question was, does anyone know of an accurate analog hygrometer.

I would say yes, accuracy is paramount, assuming I can afford it!


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7856011 - 01/09/08 08:41 PM (16 years, 23 days ago)

Quote:

Captain Cubensis said:

"And as i said before i run mine 24/7 with a cool mist 24/7 and have great results."
DR

I am sure you do, but just a thought here, instead of running 2 electrical units 24/7, why not drill some holes, fill the bottom of your FC with 5 inches of damp, well drained perlite, and set the ultra on a timer to saturate the air every 20 minutes.

Most ultras on high can saturate a large FC within 5 minutes, and the air will stay at 99% for about 20 minutes, depending on conditions of course.

Running the ultra just three times per hour means you would be at 99% Rh nearly 24/7 but cut your electricity usage by more than 80%, while achieving the same goal.




Well the biggest reason is that if your going to bring in all that FAE perlite wont keep up the humidity. if i remember correctly it was stated before that after you fan out your tank if your using perlite, it takes somewhere around an hour to let the humidity build back up. I mean i could keep the cool mist running, which i have tried to do, but a cool mist only maintains a RH of around 80%. Granted thats giving you Fae with it but it also seemed to cancel out the perlite since there is so much air coming in. so really i could just use the perlite, shotgun style which never seemed to work for me. trich was always a few days behind me with a setup like that. or i use perlite with a cool mist, which seemed to dry out cakes, but not so much with the casings. so I'm misting all the time, which i already said I'm not around enough to be reliable. or just bit the bullet and run both with a drain, which gives plenty of FAE, and keeps everything nice and moist. and best of all. NO TRICH. so I'm happy that way.

I do understand what your saying though, but i just couldn't get it to work that way.


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Re: 95% Humidity is fine for Casings. [Re: Digital Reality]
    #7857736 - 01/10/08 04:49 AM (16 years, 22 days ago)

The trich would be caused by not enough FAE. Temporary drops in RH are not per se bad. They might dry out the cake a little more but I find that the extra evaporation seems to boost the growth of the shrooms, as long as the drop is temporary.

Must be because it imitates what happens in nature.


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7858267 - 01/10/08 09:07 AM (16 years, 22 days ago)

Quote:

Captain Cubensis said:
That's kind of what my question was, does anyone know of an accurate analog hygrometer.

I would say yes, accuracy is paramount, assuming I can afford it!




I've used digital hygrometers and analog Hygrometers. I have even used the cheap $5 ones you can buy at the pet stores. I don't like the digital hygrometers I have used, because they were cheap and when I started misting, the humidity shot to 100% and stayed there for hours. The analog one seem to work fine. If you're in doubt about the accuracy, find the hygrometer calibration tek to check it.


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7858912 - 01/10/08 11:37 AM (16 years, 22 days ago)

Quote:

Captain Cubensis said:
That's kind of what my question was, does anyone know of an accurate analog hygrometer.

I would say yes, accuracy is paramount, assuming I can afford it!



The point is, that when you define your requirements, ppl are able to answer your question more easily. If you ask "what's a good hygrometer?" and someone replies by saying "brand XY is good, accuracy +/- 10%" and your definition of a "good" hygrometer is +/- 2% accuracy, then you don't get the answer you want.. the definition of "good" is highly subjective...


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Re: 95% Humidity is fine for Casings. [Re: Nebula]
    #7859267 - 01/10/08 12:41 PM (16 years, 22 days ago)

Wow, you are really crabby, and nit picky man. Highly suggestive? I think most would assume a good hygrometer is one that measures humidity accurately.

Most that I can find claim +/- 5%, which doesn't seem that accurate when it's the crucial 5% between 92 and 97 you need to know accurately.

Sorry the question wasn't phrased right for you, but to post on it seems mean spirited.

Couldn't find any factual errors to refute?

I think a good hygrometer is one that is pretty, but doesn't measure humidity that well.

What is a good therm, one that is wrong about the temp but really ties in the room?

Highly suggestive indeed, of your personality type.


--------------------
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Get 350lbs shipped to your door for only $100!
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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7859282 - 01/10/08 12:45 PM (16 years, 22 days ago)

do trich and FAE really correlate? trich is an airborn contam, i thought FAE is how you got trich in the first place

i know low FAE results in cobweb, but never heard that it causes trich ??

80% can be fine for cased substrates as long as you spray them


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InvisibleCaptain Cubensis
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Re: 95% Humidity is fine for Casings. [Re: Nibin]
    #7859295 - 01/10/08 12:49 PM (16 years, 22 days ago)

Quote:

Nibin said:
Quote:

Captain Cubensis said:
What is the best analog hygrometer?




What is the best car? lol

Any what is the best question is impossible to answer, there are too many factors to take into account.

The most accurate? The cheapest? good value? easiness of reading? prettiest? Smallest?




Who would choose The cheapest? good value? easiness of reading? prettiest? Smallest, hygrometer knowing that it wasn't accurate?

Your list of 6 items was quite a struggle(impossible to answer, there are too many factors to take into account), value and cost nearly the same thing, and your last three are just out there and ridiculous, unless I have bad eyes I guess.

So really, of the many factors to take into account, you came up with one, and answered your own question.


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7859350 - 01/10/08 01:03 PM (16 years, 22 days ago)

Quote:

Captain Cubensis said:
Wow, you are really crabby, and nit picky man. Highly suggestive? I think most would assume a good hygrometer is one that measures humidity accurately.

Most that I can find claim +/- 5%, which doesn't seem that accurate when it's the crucial 5% between 92 and 97 you need to know accurately.

Sorry the question wasn't phrased right for you, but to post on it seems mean spirited.

Couldn't find any factual errors to refute?

I think a good hygrometer is one that is pretty, but doesn't measure humidity that well.

What is a good therm, one that is wrong about the temp but really ties in the room?

Highly suggestive indeed, of your personality type.



WOW, you really don't understand! First of all, I wrote SUBJECTIVE NOT SUGGESTIVE. Subjective is not suggestive!
Secondly, I meant well. Nobody has ever called me mean spirited, you're the first one to say so, congratulations! My only point was: the more accurate you specify what you want, the more likely it is you get the answer you want. I think that's what Nibin wanted to say as well.


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InvisibleCaptain Cubensis
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Re: 95% Humidity is fine for Casings. [Re: Nebula]
    #7859395 - 01/10/08 01:10 PM (16 years, 22 days ago)

Sure man, okay, whatever.

I was wrong buy not specifying that I think a good hygrometer is one that measures humidity accurately.

Some things, go without saying, and after searching my posts that was the best you could do, criticize the question.

You could have answered, "the most accurate one is..."

Would have been more productive then the seminar on how to Effectively Ask a Question.

That's so funny how in a post where you refute your nit picky attitude, you also make fun of me for misreading one word you wrote.

Did I miss the meaning of what you were saying? No, I didn't.


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InvisibleCaptain Cubensis
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Re: The Myth of 100% Humidity [Re: RogerRabbit]
    #7859545 - 01/10/08 01:38 PM (16 years, 22 days ago)

Quote:

RogerRabbit said:
Quote:

Captain Cubensis said:
But what about all the talk that droplets on your pins will casue aborts?

Shouldn't you avoid condensation and misting untill pinset, then provide periodic mistings?




Droplets on your pins will not cause aborts. It's recommended to mist mushrooms. Air exchange must be provided because stagnant water sitting on a mushroom in stagnant air for an extended period WILL cause aborts. If they get wet, it's because liquid water droplets were thrown on them, not humidity in the air.

92% humidity will be fine with a good casing layer. I prefer higher, but lower will also still work, only requiring more frequent misting.
RR




But you also said this:

Just to add my 2 cents, I'd avoid misting the fruits. Sometimes as the fruits get larger and mature you can mist them without problem, but I've seen tons of healthy pins abort after being misted. Just mist lightly between the pins and you'll be fine. I have no idea why it can rain like hell outside and all the mushies survive, but if you mist lightly indoors it can abort them. Anyway, that's been my experience. Good luck!
RR 03/26/03

I would recommend misting carefully between the pins. If the pins stay wet for any length of time in still air, they often abort. That's why a massive air exchange after misting helps prevents aborts.
RR

When you first see knots, it's best to avoid misting until the pins get half an inch tall or so, but if you mist then, be sure to up the air exchange afterward so they don't sit wet. A wet pin in stale air is almost a sure bet to abort.
RR 06/14/06

Pins can be wet as long as they have plenty of air flowing. If the grower is using an old style terrarium that's all closed up, wet pins are asking to abort. I'd prefer to mist, and then let them dry off between mistings.
RR

You can mist lightly now, but be sure to let them dry before you close up the terrarium. They won't abort unless they sit there wet for an extended time. If you're worried about it, you can use a syringe to squirt water very carefully between the pins.
RR



Which is it Roger, you contradict yourself several times in old posts.


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Re: 95% Humidity is fine for Casings. [Re: Captain Cubensis]
    #7859553 - 01/10/08 01:39 PM (16 years, 22 days ago)

All we are saying is that you can't make a what is the best question as it changes from person to person.

For example, you have already said you want best value (i.e most accurate you can afford).

For others, only accuracy might be important, even if they have to pay 1000 dollars for it.

Others might want the cheapest out there.

Another might want one that he can connect remotely or that has an external reading unit.

So you want to know what is the most accurate hygrometer in what price range? What is your budget?

PS: On the post above. Old information is as you say, old. New discoveries change things.

Look for posts made in 2007.


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Edited by Nibin (01/10/08 01:41 PM)


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Re: 95% Humidity is fine for Casings. [Re: Nibin]
    #7859623 - 01/10/08 01:50 PM (16 years, 22 days ago)

Quote:

Nibin said:
All we are saying is that you can't make a what is the best question as it changes from person to person.

For example, you have already said you want best value (i.e most accurate you can afford).

For others, only accuracy might be important, even if they have to pay 1000 dollars for it.

Others might want the cheapest out there.

Another might want one that he can connect remotely or that has an external reading unit.

So you want to know what is the most accurate hygrometer in what price range? What is your budget?

PS: On the post above. Old information is as you say, old. New discoveries change things.

Look for posts made in 2007.





My fav is to search for coir grows where they used it as a casing layer lol. The same thing over and over. Why do I have such bad overlay lol. Its cuz it was too nutritious.But little do they all know lol.


--------------------
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Re: The Myth of 100% Humidity [Re: Captain Cubensis]
    #7859785 - 01/10/08 02:17 PM (16 years, 22 days ago)

Quote:

Captain Cubensis said:
Quote:

RogerRabbit said:
Quote:

Captain Cubensis said:
But what about all the talk that droplets on your pins will casue aborts?

Shouldn't you avoid condensation and misting untill pinset, then provide periodic mistings?




Droplets on your pins will not cause aborts. It's recommended to mist mushrooms. Air exchange must be provided because stagnant water sitting on a mushroom in stagnant air for an extended period WILL cause aborts. If they get wet, it's because liquid water droplets were thrown on them, not humidity in the air.

92% humidity will be fine with a good casing layer. I prefer higher, but lower will also still work, only requiring more frequent misting.
RR




But you also said this:

Just to add my 2 cents, I'd avoid misting the fruits. Sometimes as the fruits get larger and mature you can mist them without problem, but I've seen tons of healthy pins abort after being misted. Just mist lightly between the pins and you'll be fine. I have no idea why it can rain like hell outside and all the mushies survive, but if you mist lightly indoors it can abort them. Anyway, that's been my experience. Good luck!
RR 03/26/03

I would recommend misting carefully between the pins. If the pins stay wet for any length of time in still air, they often abort. That's why a massive air exchange after misting helps prevents aborts.
RR

When you first see knots, it's best to avoid misting until the pins get half an inch tall or so, but if you mist then, be sure to up the air exchange afterward so they don't sit wet. A wet pin in stale air is almost a sure bet to abort.
RR 06/14/06

Pins can be wet as long as they have plenty of air flowing. If the grower is using an old style terrarium that's all closed up, wet pins are asking to abort. I'd prefer to mist, and then let them dry off between mistings.
RR

You can mist lightly now, but be sure to let them dry before you close up the terrarium. They won't abort unless they sit there wet for an extended time. If you're worried about it, you can use a syringe to squirt water very carefully between the pins.
RR



Which is it Roger, you contradict yourself several times in old posts.




Not withstanding the fact that people learn more as they actually cultivate, the above quotes all state that misting, followed by air exchange, will not cause aborts. RR repeatedly states that stagnant water will cause them.

I don't understand your confusion. Perhaps it will clear up with some experience.


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Re: The Myth of 100% Humidity [Re: Crasher]
    #7859816 - 01/10/08 02:22 PM (16 years, 22 days ago)

On this one I do agree with CC a good hydrometer should measure RH accurately. However isn't that the point of calibrating it ? Alot of people say that Cigar analog hydrometers are the best so check into that.


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Re: The Myth of 100% Humidity [Re: Digital Reality]
    #7860733 - 01/10/08 05:35 PM (16 years, 22 days ago)

Dude I do the exact same thing 1 vick cool mist impeller one reli-on ultrasonic running 24/7 with lots of holes in the green house to keep fae at maximum :thumbup:


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Re: The Myth of 100% Humidity [Re: joshua m]
    #7860813 - 01/10/08 06:01 PM (16 years, 22 days ago)

i use a masons hygrometer. it is the most accurate and requires the least amount of calibration. they cost around 20 dollars too.


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Re: 95% Humidity is fine for Casings. [Re: Nebula]
    #13585546 - 12/05/10 12:15 PM (13 years, 1 month ago)

Quote:

Nebula said:
Quote:

Captain Cubensis said:
Digital Hygrometers are junk, and most casings will fruit fine at 92% Rh, with loads of FAE.



Yes, I can confirm this. I've tested 2 digital hygrometers, one is crap, the other one displays a humidity 3-4 percent too low. I carried out this salt test to check its accuracy:

http://www.shroomery.org/forums/showflat.php/Number/4173283#4173283

One showed 71-72% percent humidity, but the crappy one showed 60%, so 15% too low.. unfortunately you cannot calibrate these hygrometers.




Thank you good sir, this link saved me posting a question that was likely to heed similar results to this thread :-). Also I am a noob and got to say that the search similar posts is my friend! Cheers.


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InvisiblePinsWellWithOthers
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Registered: 10/15/10
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Re: The Myth of 100% Humidity [Re: ragehead]
    #13585701 - 12/05/10 01:25 PM (13 years, 1 month ago)

Wow i was reading this post up to page 3. I think i have 3rd degree burn now and i didn't even post. Is the Shroomery on its period? Wheres all the fun loving hippies? You guys need to go eat some of your own medicine and chill out.  :peace:


Edited by PinsWellWithOthers (12/05/10 01:28 PM)


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