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Mycotopia Web Archive Archive Grow Chambers & Clean Rooms. DIY Projects: Many Designs Humidifier tek Perlite + Cool Mist Humidifier for xchange only? Previous Next

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Mr. Tambourine Man (Tambourine_Man)
Posted on Tuesday, November 27, 2001 - 10:43 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Would it work to use Perlite for humidity and a cool most humidifier setup with nothing in the reservoir for gas exchange only?
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Lichen (Lichen)
Posted on Tuesday, November 27, 2001 - 10:53 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

if it didn't move much air, probably.Put a timer on it so that it only comes on for a while, then shuts off. With perlite as humidifier tek, if you don't have a good seal on the lid, much of what you're trying to gain is lost out the cracks, so it seems like too much outside air moving through the system will cause evaporation.
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Mr. Tambourine Man (Tambourine_Man)
Posted on Tuesday, November 27, 2001 - 11:01 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Yeah, there would have to be a second hole besides the one on the terrarium letting the hose in to let CO2 out right? Would that ruin the humidity?
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Underground_Shaman (Shaman)
Posted on Tuesday, November 27, 2001 - 11:04 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

1. CO2 drain hole is optional, depends on how tight your seal is on the terr.

2. Nah, just make the hole small. I like to put it right above the perlite layer (if there is one) through the rubbermaid. Stuff the small hole with polyfill (optional), and CO2 will drain out the bottom as it sinks and is displaced by fresh air.

Shaman
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frodus sudorf (Frodus)
Posted on Tuesday, November 27, 2001 - 11:05 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

it would dry it out
the humidifier might stop working, possibly overheat. I use perlite AND a humidifier,2- 3/4 inch tubes going into the rubbermaid container
running 24-7, and i mist every day, to keep the sides of the container moist. It works great!
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Lichen (Lichen)
Posted on Tuesday, November 27, 2001 - 11:06 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

not if it's a one-way valve, and not if you only run the thing for short bursts, say five minutes on, then off for eight hours, to let the humidity build up again
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Lichen (Lichen)
Posted on Tuesday, November 27, 2001 - 11:13 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

notice we three posted simultaneously
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Mr. Tambourine Man (Tambourine_Man)
Posted on Wednesday, November 28, 2001 - 02:07 am:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

What do you guys think about perlite for humidification, a small hole above the perlite level for CO2 exit, a generic air pump (on a timer or set very low on a dimmer switch), and (if multiple terrariums are used) hose splitters and pieces of hose branching from the pump to the different terrariums?
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hippie3 (Hippie)
Posted on Wednesday, November 28, 2001 - 02:29 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

that'll work fine.
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Kaijan (Kaijan)
Posted on Thursday, November 29, 2001 - 04:38 am:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

hey... heres something that will work for you, if you arent lazy.

Get yourself another bin (the ones you use for a terrarium) then drill 2-4 holes on the side 2-3 inches from the top, and 1-6(maybe more) in the front about 3 inches off the bottom.

Get some silicon glue and seal on the lid tight.. next get your humidifier with all the hoses coming off it (2-4) and plug them into the large bin... next take that bin your using and elevate it above your terrariums... then plug in hoses (with valves if you like) and hook up 1 hose per terrarium...

Anyway, the point of this extra bin is to act like a resivour for the humidity (to build it up).. You'll notice it get quite moist in there.

The perlite in the bottom will absorb and evapourate excess water which will run down the sides. so you dont encounter pooling of water (contam grounds).

Elevating it will allow gravity to suck down the humidiy to the bins....

Anyway... this helps in many respects..

a) You'll have a "cleaner" humidity. By this i mean less larger droplets of water in the air.

b) You'll have much more humidity to spread out into more bins. With just the humidifier, you get 2, maybe 3 bins going..with alright air exchange.

Using this resivour will allow you to greatly increase the amount of terrariums used.

In the past I've had no problems running 5 bins off 1 resivour. Although I'm sure I could have easily gotten away with 6+. And these bins arent that small.. they held 15 cakes each.

A humidifier is supposed to humidify a whole room... yet by hooking up hoses and blocking off the large output, you'll limit the amount of air that will go out.. but if you put too many hoses (say 4) running to different places, each hose will get 1/4 the humidity. But if you ran each of those hoses to one main area.. your not going to loose anything really. From there it can keep that main bin extremely humid (dripping).


Anyway. Thats the best what to make efficient use of a single humidifier.

Comments/Suggestions/Flames/Death Threats all welcomed.



kai.
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Mr. Tambourine Man (Tambourine_Man)
Posted on Thursday, November 29, 2001 - 06:53 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Assuming I don't mind the mess of Perlite, wouldn't it be easier to set up the system I outlined above for air exchange and use Perlite for the humidity? Is there anything wrong with that plan? Thanks!
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Kaijan (Kaijan)
Posted on Thursday, November 29, 2001 - 10:37 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Well.. I was just telling you that because you wouldnt have to go out and air pumps/tubing...

Besides.. why use the perlite in the terrarium when you dont have to, the cool mist setup i explained will provide better gas exchange anyway.
those airpumps arent that great... you'll need one per terrarium.

Whatever you like. Just feeding you an idea.


kai.
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hippie3 (Hippie)
Posted on Friday, November 30, 2001 - 01:46 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

one drawback to perlite is that it takes an hour or two to get the humidity back up to optimum after it's been ventilated.
that could pose a real problem if you are ventilating frequently,
which is why it's prolly better to run that humidifier charged with water,
so the humidity is quickly replaced.
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Patrick (Valence)
Posted on Friday, November 30, 2001 - 11:27 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Ya but if you supplement the perlite with a spraying every time you ventilate ( I like to do it almost 6 times a day, don't think it helps more but I like to look at them )
it will be alright.
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hippie3 (Hippie)
Posted on Saturday, December 01, 2001 - 01:22 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

true enough, but we're talking about automated venting, so he won't be there to spray.
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Gregory Topper (Socalshroomer)
Posted on Wednesday, December 05, 2001 - 08:13 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

QUESTION:

I am about to go into the construction of my terranium in a couple weeks and I am most likely going to use the Cool-mist set up ( http://archives.mycotopia.net/discusteks/fruitingchamber.html ) ...Are you saying that if I use this setup properly, then I won't be needing any perlite in my terranium? Thanks!

-Yo
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Kaijan (Kaijan)
Posted on Wednesday, December 05, 2001 - 08:22 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

or you could read my post above?

regardless... No, you dont "need" perlite in your terrarium, but it is useful. Perlite will wick up excess water pools, and throw them back as humidity, while avoiding breeding grounds for bacterial/contams.

If you design the setup i was talking about up there, you'll get better use out of your humidifier... but whatever.

kai
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Tom Baxter (Kappy)
Posted on Wednesday, December 19, 2001 - 07:35 am:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

do i still need to fan my cakes if using a cool mist humidifier?
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Nan (Nanook)
Posted on Wednesday, December 19, 2001 - 08:51 am:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

Some people fan, some do not. It depends on the airflow and chamber design.
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plinkerdink420 (Plinkerdink420)
Posted on Wednesday, December 19, 2001 - 01:47 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

i have a deep tub, so i fan about two to four times a day just to eliminate any "stale" air