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Offlinemr_minds_eye
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Home-made humidification devices
    #7829966 - 01/03/08 10:22 PM (16 years, 29 days ago)

So I tried posting something similar in the regular cultivation forum but I didn't get nay real answers. I was looking at this product on Sporeworks:
http://sporeworks.com/store/catalog/Tropicaire-Humidifier-and-Air-Exchanger-with-Air-Pump-p-16262.html
It looks like all it is, is a air pump going into a resevour of water with a tube coming out the top to allow humidified air to pass through. Now if I take a high powered air pump and put it in lets say a 2.5 gal or 5 gal water tank with an inlet/outlet hole in the lid. Could I make something similar that could provide enough gas exchange and humidification for a portable closet setup? I was looking at this for an example:
http://www.marinedepot.com/ps_ViewItem~idProduct~WB3121.html
Its a 250 gal air pump for $30. I need enough fae for Pan cyans. Would this work? I know a hydrometer would show me if the rh is high enough but how could I tell if there is enough fae? Would it be the same 2x the amount of space being humidified to determine the size of the pump needed rule or would it be different due to some sort of different mechanics? I also wanted to mount a small fan at midlevel for a little extra air circulation, what is the best for this? I have seen people use computer fans a good bit. Is there a danger of something like this shorting out in an ultrahumidified environment? I know generally a cool mist system would be used for something like this, but I could have a unit with a very large resevour for a fairly cheap price. Plus that thing doesn't pull that much energy at all.


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Our quest for discovery fuels our creativity in all fields, not just science. If we reached the end of the line, the human spirit would shrivel and die. But I don't think we will ever stand still: we shall increase in complexity, if not in depth, and shall always be the center on an expanding horizon of possibilities.
-Stephen Hawking


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Invisibledumbfounded1600
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Re: Home-made humidification devices [Re: mr_minds_eye]
    #7831642 - 01/04/08 11:28 AM (16 years, 28 days ago)

Air pumps are for fish..not mycology...just drill small 1/8 of an inch holes all around the tub...about 50-100...even on the bottom...trust me the more FAE/Misting/leaving the lid ajar will increase your Pin set by TONS...read up on Bulk Humidifiers


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Invisiblefastfred
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Re: Home-made humidification devices [Re: dumbfounded1600]
    #7833402 - 01/04/08 08:17 PM (16 years, 28 days ago)

You can get air pumps for a lot cheaper than that. Try ebay or froogle. Don't buy anything based on what size tank it says it's for, look for it's air output in cc/min ft/hr or some other measurement you can use for comparison.

People still do use bubbler setups, but perlite is the standard nowdays as it's far superior in a number of ways. Using an air pump for air exchange seems like a good idea to me. I think Hyphae or Diploid posted a pictorial on adding a filter to get cleaner air out of a standard air pump. I would suggest simply using a micropore filter ($5-$10) inline.

If your humidity gets too low then I would add a bubbler inline with the pump also, otherwise don't bother.


-FF


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Invisiblefastfred
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Re: Home-made humidification devices [Re: fastfred]
    #7833435 - 01/04/08 08:23 PM (16 years, 28 days ago)

Couldn't find the pics and description I mentioned, but if I remember right you just take the rubber bottom off the pump, then put a coffee filter or two around the pump, then put the bottom back on, then trim off the excess coffee filter.

Here is a pic of a homemade pod.


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Offlinemr_minds_eye
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Re: Home-made humidification devices [Re: fastfred]
    #7833909 - 01/04/08 10:37 PM (16 years, 28 days ago)

I'm not talking about humidification for a tub. I'm talking about a portable closet. While I agree that perlite is great to boost humidity it doesn't do shit for fresh air flow. I pretty much decided to go with a cool mist setup. I would still like to put a small fan inside the setup for extra air circulation. What is best for this?


--------------------
Our quest for discovery fuels our creativity in all fields, not just science. If we reached the end of the line, the human spirit would shrivel and die. But I don't think we will ever stand still: we shall increase in complexity, if not in depth, and shall always be the center on an expanding horizon of possibilities.
-Stephen Hawking


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Invisiblefastfred
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Re: Home-made humidification devices [Re: mr_minds_eye]
    #7834175 - 01/05/08 12:08 AM (16 years, 28 days ago)

> I'm talking about a portable closet.

Then a fish pump isn't going to do shit for you.

> I pretty much decided to go with a cool mist setup.

Cool mist really doesn't mean anything. There are ultrasonics, impellers, and evaporative wick types of humidifiers.

If you go with a wick it needs to be inside the FC to get close to optimal humidity. Some people have good luck with that.

I wouldn't use a fan inside your FC. You don't want air circulation except for some fresh air coming in.


-FF


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Offlinemr_minds_eye
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Re: Home-made humidification devices [Re: fastfred]
    #7834313 - 01/05/08 01:12 AM (16 years, 28 days ago)

The idea isn't to just use an aquarium pump. The idea is to use the pump to create humidity and then pump it out of a reservoir into your terrarium. Sporeworks is selling a pre-assembled device That does this. My idea was to build a bigger one. I have a 20 gallon pump running in a 10 gallon aquarium with perlite in the bottom and some glad press and seal on top. Don't ever need to fan. No problems what so ever. This is mycology where you can use whatever works. Its science so experiment. Mold likes stagnant air. Fungus likes fresh air. So if your humidity is up, lots of air circulation is great. I have seen where people mounted small fans in a setup like this for extra circulation. I just was asking what kind would be best. If you have looked into what is available in the way of humidifiers you would indeed see that "cool mist" does have relevance. Cool mist means that moisture is wicked into the air. Warm mist is evaporated moisture. Ultrasonic humidifiers use an ultrasonic transducer and produce a visibly thick cloud. If you don't believe me check this out:http://www.shroomery.org/37/ShroomGods-Humidifier-Tek or go to Wall-Mart, Home Depot, Bed, Bath, and Beyond, Or wherever else you can go to buy home appliances. Thanks though
I was assuming you were familiar with this tek:
http://www.shroomery.org/9664/Cybers-Martha-Tek


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Our quest for discovery fuels our creativity in all fields, not just science. If we reached the end of the line, the human spirit would shrivel and die. But I don't think we will ever stand still: we shall increase in complexity, if not in depth, and shall always be the center on an expanding horizon of possibilities.
-Stephen Hawking


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Invisiblefastfred
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Re: Home-made humidification devices [Re: mr_minds_eye]
    #7834370 - 01/05/08 02:01 AM (16 years, 28 days ago)

My point was that a bubbler setup is not going to provide enough humidity. They have trouble keeping up in a 10 gal aquarium, so it's doubtful that you can scale them up very much past that.

You really don't want a fan blowing air around in your FC. It's going to spread contams around very fast when they inevitably appear. It is also going to dry out your substrate since there is no setup that provides 99-100% humidity all of the time. Air is not going to be stagnant if you have air input at some point in your FC. You will stall out from lack of FAE before stagnant air becomes an issue.

As I stated earlier the term "cool mist" means nothing. It was applied first to ultrasonics and possibly impeller type humidifiers. The trademark expired and "cool mist" is now applied to evaporative wick and impeller type humidifiers as they've decided that "ultrasonic" sounds better than "cool mist". The term "cool mist" does not apply to any specific type of humidifier and they don't even have to produce any sort of visible mist to be called that. The only type of humidifier the term has not been applied to at one time or another are the steam types because they produce a "warm mist".

The humidifier in cyber's martha tek looks like an impeller type. If you go to the store and just grab any old type of humidifier that has "cool mist" on the package then you'll likely get a wick type, which produces no mist and must be inside the FC to get the humidity high enough, and you'll be disappointed.

Hopefully I've saved you the cost of a humidifier.

I suggest that you focus on the basics if this is your first larger scale endeavor. Adding all kinds of bells and whistles often causes problems, and in the end you'll have no idea if they provided any benefit whatsoever since you'll have no baseline to compare with.

GL, and hope this helps.


-FF


Edited by fastfred (01/05/08 02:08 AM)


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Offlinexhooliganx
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Re: Home-made humidification devices [Re: fastfred]
    #7835727 - 01/05/08 01:58 PM (16 years, 27 days ago)

I think this is my favorite as home made humidification goes.

http://www.shroomery.org/forums/showflat.php/Number/6252361#6252361

I use a 5 gallon bucket with an ultrasonic fogger on a timer. my fan is a computer card slot type(it's like a mini squirle cage) and I use an airstone with an aquarium pump to supliment the humidity when the fogger is off. then just run a hose from the bucket into the top of your greenhouse.


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Offlinemr_minds_eye
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Re: Home-made humidification devices [Re: fastfred]
    #7841846 - 01/06/08 11:00 PM (16 years, 26 days ago)

So I should put a perlite pan in the bottom and then use fish pumps for fae? How many do you need to get adequate ventilation? What other viable options would you suggest?


--------------------
Our quest for discovery fuels our creativity in all fields, not just science. If we reached the end of the line, the human spirit would shrivel and die. But I don't think we will ever stand still: we shall increase in complexity, if not in depth, and shall always be the center on an expanding horizon of possibilities.
-Stephen Hawking


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Invisiblelorbitherize
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Re: Home-made humidification devices *DELETED* [Re: mr_minds_eye]
    #7842077 - 01/07/08 12:27 AM (16 years, 26 days ago)

Post deleted by lorbitherize

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Offlinemr_minds_eye
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Re: Home-made humidification devices [Re: lorbitherize]
    #7843392 - 01/07/08 12:41 PM (16 years, 25 days ago)

Well I remember back in the day when a lot of people would modify styrofoam coolers and run ultrasonics in them. They would attach a series of containers tubed together which acted as buffers. Then when the mist reached the fc it wasn't overkill. So maybe that is my best bet.


--------------------
Our quest for discovery fuels our creativity in all fields, not just science. If we reached the end of the line, the human spirit would shrivel and die. But I don't think we will ever stand still: we shall increase in complexity, if not in depth, and shall always be the center on an expanding horizon of possibilities.
-Stephen Hawking


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