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Offlinecubenz
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Registered: 10/05/08
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Loc: shack on hill
Last seen: 14 years, 2 months
damn shotties
    #9181947 - 11/04/08 10:29 AM (15 years, 4 months ago)

So i made a shotgun fc, birthed my first fully colonized cake into it on a piece of tin foil. I have about 4 inches of perlite, 1/4" holes, but for some reason it doesnt seem to be maintaining humidity. My hygrometer is all fu@#ed up so i cant see for sure, im gunna go buy another one today, but see if u know what im doin wrong. i also live in a dry mountainous climate.


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:jah:

Boulder

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OfflineMHbound
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Re: damn shotties [Re: cubenz]
    #9181982 - 11/04/08 10:42 AM (15 years, 4 months ago)

I assumed you wet your perlite properly, and are you fanning multiple times a day?


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Invisiblebillyboy36
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Registered: 05/04/08
Posts: 352
Loc: Canada
Re: damn shotties [Re: MHbound]
    #9182114 - 11/04/08 11:17 AM (15 years, 4 months ago)

probably your hydrometer.  Get an analog one that you can calibrate.

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OfflineMHbound
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Re: damn shotties [Re: billyboy36]
    #9182171 - 11/04/08 11:29 AM (15 years, 4 months ago)

Yea, "HyGrometer" :thumbup:


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Invisiblebillyboy36
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Registered: 05/04/08
Posts: 352
Loc: Canada
Re: damn shotties [Re: MHbound]
    #9182190 - 11/04/08 11:33 AM (15 years, 4 months ago)

oops.  hygrometer.  damn fingers, I do that all the time.  hydrometers are for measuring the density of liquids

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OfflineMHbound
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Re: damn shotties [Re: billyboy36]
    #9182211 - 11/04/08 11:37 AM (15 years, 4 months ago)

Hm, well I didn't know that...So, I learned something. :thumbup:


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Offlinegofudgeyourself
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Registered: 09/01/08
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Re: damn shotties [Re: MHbound]
    #9182253 - 11/04/08 11:48 AM (15 years, 4 months ago)

keep the sides misted, fanning helps create humidity...give it time...


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"believe it if you need it, or leave it if you dare."

"turn all the hate in the world, into a mocking bird. make it fly away" :peace:

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Offlineveda_sticks
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Re: damn shotties [Re: gofudgeyourself]
    #9182461 - 11/04/08 12:32 PM (15 years, 4 months ago)

Misting the walls does nothing for humidity. If your using a digi hygrometer, ditch it and buy an adjustable anologue meter. If you live in the dry climate, you will have to run a small humidifier in the room to bring the ambient rh above 50%.;

More information on the shotgun fc is in my signiture.


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

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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Offlinecubenz
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Registered: 10/05/08
Posts: 81
Loc: shack on hill
Last seen: 14 years, 2 months
Re: damn shotties [Re: gofudgeyourself]
    #9182482 - 11/04/08 12:36 PM (15 years, 4 months ago)

yea ive been misting and fanning a bit i just picked up my new hygrometer and am now calibrating it. I also wet down my perlite a bit more.


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:jah:

Boulder

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Offlinegluvbox
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Re: damn shotties [Re: veda_sticks]
    #9182544 - 11/04/08 12:55 PM (15 years, 4 months ago)

Quote:

veda_sticks said:
Misting the walls does nothing for humidity.




Are you kidding?  Misting works great--especially with cakes.  You can mist the whole box every time you fan to bring humidity up.  That worked great for me until I got my martha. :laugh:


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Invisiblebillyboy36
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Re: damn shotties [Re: cubenz]
    #9182546 - 11/04/08 12:55 PM (15 years, 4 months ago)

Quote:

Misting the walls does nothing for humidity




How does that work??

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OfflinePillar
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Registered: 05/31/08
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Re: damn shotties [Re: billyboy36]
    #9182574 - 11/04/08 01:03 PM (15 years, 4 months ago)

The holes in the walls will allow subtle movement of air and water vapor due to osmotic pressure. The area with higher concentration of water vapor will move water vapor to the area with lower. The rH inside the shotgun tub is without a doubt higher than that of the ambient rH of the room the shotgun is in. Therefore, misting the walls would only, have one option on movement of air, which would be by temperature. But the inside of the FC is only marginally different than the air outside, outweighing the effects of the rH leaving the tub. So, the only way that misting the sides would help, would be by the evaporation of those water droplets after fanning, Which would be effective in restoring the rH within the tub, but not maintaining it.


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-----PILLAR-----
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Destruction is the purest form of Creation.

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Offlinegluvbox
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Re: damn shotties [Re: Pillar]
    #9182678 - 11/04/08 01:23 PM (15 years, 4 months ago)

Quote:

Pillar said:
The holes in the walls will allow subtle movement of air and water vapor due to osmotic pressure. The area with higher concentration of water vapor will move water vapor to the area with lower. The rH inside the shotgun tub is without a doubt higher than that of the ambient rH of the room the shotgun is in. Therefore, misting the walls would only, have one option on movement of air, which would be by temperature. But the inside of the FC is only marginally different than the air outside, outweighing the effects of the rH leaving the tub. So, the only way that misting the sides would help, would be by the evaporation of those water droplets after fanning, Which would be effective in restoring the rH within the tub, but not maintaining it.




I'm not arguing with your logic, but I am arguing the results.

I've seen humidity rise and stay constant after misting when the majority landed on the walls.  Now, this could be due to other factors (some water dissolves in the air on the way to the wall, some mist lands on the perlite and cakes, etc), but either way, it works.  :laugh:


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Offlineveda_sticks
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Re: damn shotties [Re: gluvbox]
    #9182826 - 11/04/08 01:57 PM (15 years, 4 months ago)

Quote:

The advice to raise humidity to 99% to 100% is sound. You should also roll in dry verm after dunking. The verm acts as a casing layer that you can mist to hydrate the cake during the flushing cycle. You can also pour water right on the cake to hydrate it. Misting the walls is useless. The moisture needs to be on the cake, not on the walls. Make sure you have drain holes in the bottom so no water will be standing as that renders any perlite below the water level useless. After dunk and roll, place the cakes so what was at the bottom of the jar becomes the top. Most jars are concave on the bottom, so this leaves a 'divot' in that part of the cake, which is perfect for holding water. You can pour it directly on, and it will soak in over time. Cakes need a lot of moisture to fruit.

Try 3 1/2" to 5" of well drained perlite instead of 2 1/2". That should get you up to 99% humidity.

Don't cut open a cake. Contaminants will be on the surface. Good luck.
RR




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

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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OfflinePerpetualTripper

Registered: 09/06/08
Posts: 125
Loc: The Desert
Last seen: 12 years, 14 days
Re: damn shotties *DELETED* [Re: veda_sticks]
    #9182864 - 11/04/08 02:03 PM (15 years, 4 months ago)

Post deleted by PerpetualTripper

Reason for deletion: .


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OfflineNibin
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Re: damn shotties [Re: PerpetualTripper]
    #9182944 - 11/04/08 02:17 PM (15 years, 4 months ago)

Yep, misting is more about keeping the cake hydrated than keeping the humidity up.

The perlite takes care of that on it's own most of the time.


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Newcomers guide-----> For all things shroomy

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Offlinefr33d0mfry
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Re: damn shotties [Re: Nibin]
    #9182961 - 11/04/08 02:24 PM (15 years, 4 months ago)

Shotguns don't work here in co man... I had the same issues when i first started cultivating.

to make a colorado terrarium, just take your shotgun fc, cover all of the holes except the ones on bottom and a few on the sides

You'll have to fan and mist like 5 or 6 times a day

but, it works :]


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I am the first person to admit that I'm wrong about something, If I post anything misinforming or misleading, do not hesitate to call me out on it. IF I'm actually wrong, that is. I usually wont post something unless i know it to be 100% true, but mistakes happen.
If you try to tell me i'm wrong about something im positive of, i will argue with you until you stop breathing.

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Offlinefr33d0mfry
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Re: damn shotties [Re: PerpetualTripper]
    #9182973 - 11/04/08 02:30 PM (15 years, 4 months ago)

Quote:

PerpetualTripper said:
I live in a desert and have had no problem maintaining humidity in a shotgun fc.  I mist the trays inside the fc periodically, but I have never misted the perlite or sides of the wall.  I say once you get a new calibrated hygrometer, it will give you the readings you are lookin for.  And make sure your fc is elevated from the ground, you want air flow from the bottom to pass thru the perlite into the chamber.




I think it's more about the altitude here in co than it is about the RH

I don't remember the science of it, but it's something about low air pressure.


--------------------
I am the first person to admit that I'm wrong about something, If I post anything misinforming or misleading, do not hesitate to call me out on it. IF I'm actually wrong, that is. I usually wont post something unless i know it to be 100% true, but mistakes happen.
If you try to tell me i'm wrong about something im positive of, i will argue with you until you stop breathing.

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Offlinecubenz
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Registered: 10/05/08
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Re: damn shotties [Re: fr33d0mfry]
    #9186518 - 11/05/08 12:12 AM (15 years, 4 months ago)

So ivebeen looking around and i think im going to go with the tropic aire with an air pump, a total of $30 so not bad, any input on this idea is welcome.


--------------------
:jah:

Boulder

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Offlinefungiamongi2
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Re: damn shotties [Re: cubenz]
    #9186898 - 11/05/08 01:20 AM (15 years, 4 months ago)

are specific gravity and density the same thing?


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Offlineholyongos
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Re: damn shotties [Re: veda_sticks]
    #9187042 - 11/05/08 01:56 AM (15 years, 4 months ago)

Quote:

veda_sticks said:
Misting the walls does nothing for humidity. If your using a digi hygrometer, ditch it and buy an adjustable anologue meter. If you live in the dry climate, you will have to run a small humidifier in the room to bring the ambient rh above 50%.;

More information on the shotgun fc is in my signiture.






I live in dessert and don't have a humidifier in my grow room and i still fruit. hell I don't even have a hygrometer. guess i should get one with all the buzz about it. I just know its humid enough when there is water drops on the sides. no water too dry, big water drops too wet.


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I ate something funny, or at least thats how it made me feel about it.

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InvisibleJ3illy
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Registered: 10/18/08
Posts: 3,344
Re: damn shotties [Re: holyongos]
    #9187064 - 11/05/08 02:01 AM (15 years, 4 months ago)

Quote:

holyongos said:
I just know its humid enough when there is water drops on the sides.



This isn't a true marker of humidity - only of a temperature difference between inside and outside, w/ inside being warmer.. If you could somehow have the inside cooler than outside, you'd have no condensation at all..

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OfflineNibin
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Re: damn shotties [Re: fungiamongi2]
    #9187094 - 11/05/08 02:14 AM (15 years, 4 months ago)

Quote:

fungiamongi2 said:
are specific gravity and density the same thing?




Density is a value, g per ml, kilograms per liter etc

Specific gravity is the ratio of a fluids density compared to that of water.

So they both measure the same thing in different ways.


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Newcomers guide-----> For all things shroomy

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Offlineveda_sticks
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Re: damn shotties [Re: cubenz]
    #9187432 - 11/05/08 06:39 AM (15 years, 4 months ago)

Quote:

cubenz said:
So ivebeen looking around and i think im going to go with the tropic aire with an air pump, a total of $30 so not bad, any input on this idea is welcome.




Using humidifiers with terrariums are not recomended. Its too easy to end up pumping to much humidity in. Once the are is saturated all that extra moisture wont stay in the air and rain on everything.


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

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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Offlinefr33d0mfry
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Re: damn shotties [Re: veda_sticks]
    #9188754 - 11/05/08 12:25 PM (15 years, 4 months ago)

Quote:

veda_sticks said:
Quote:

cubenz said:
So ivebeen looking around and i think im going to go with the tropic aire with an air pump, a total of $30 so not bad, any input on this idea is welcome.




Using humidifiers with terrariums are not recomended. Its too easy to end up pumping to much humidity in. Once the are is saturated all that extra moisture wont stay in the air and rain on everything.




He could either put the humidifier on a timer and tinker around with on/off cycles until he gets the right balance. Or he could simply install a drip shield in his terrarium, a piece of clear plastic installed at the top of the terrarium at an angle, the water will condense on the drip shield, run down the length of the plastic, and simply drip down the side of the chamber into the perlite, excess water will re-hydrate the perlite until the point of saturation, then it should just drip out the bottom holes in the fc.

Edit: It is my understanding that perlite doesn't technically "absorb" water, the water just kind of sticks in the pores of the mineral. So, above when i say "saturate", i'm not speaking literally.


--------------------
I am the first person to admit that I'm wrong about something, If I post anything misinforming or misleading, do not hesitate to call me out on it. IF I'm actually wrong, that is. I usually wont post something unless i know it to be 100% true, but mistakes happen.
If you try to tell me i'm wrong about something im positive of, i will argue with you until you stop breathing.

Edited by fr33d0mfry (11/05/08 12:27 PM)

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