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Thread: Custom Ventilation System

  1. #1
    homer's Avatar
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    Question

    Hello everyone,
    Here are some pics of a cheap experiment I made the past few days. I had a Exoterra Fogger, spare 5.5 gallon tank, and a nice fan at my disposal, so why not try something new?? I spent a few $ at Lowe's getting PVC pipe, metal brackets, and nylon screws, etc to make it all work. [img]http://www.**********.com/iB_html/non-cgi/emoticons/rolleyes.gif[/img]

    The system turns on 3x a night for an hour each. Both tube outputs seem to produce the same amount of breeze. Before I ran the system, the RH on the top tank was 94%, the lower 62%. Half way through the trial, the RH for the top tank was 84%, the lower tank 73%. It seems that it pushes both tanks RH toward the 80% range, which is fine with me. I hope the heterodoxa x minor and clipeata x reinwardtiana enjoy the wet breeze at night [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img] , not to mention the pygmies in the lower tank [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]

    Any questions or comments welcome of course!

    enjoy

    [img]http://home.**********.com/homer/system1.jpg[/img]

    [img]http://home.**********.com/homer/system2.jpg[/img]

    [img]http://home.**********.com/homer/system3.jpg[/img]

  2. #2
    Capslock's Avatar
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    Sheer genius.

    edit - Question: how much water does it go through a day?

    Capslock
    Malo Periculosam Libertatem Quam Quietum Servitium

    My photos are copyright-free and public domain

  3. #3

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    Hey, that's neat! What did you use to seal around the pvc where it goes through the panels?
    There's no 'a' in perlite.

    My Growlist
    NECPS.org - New England CP growers unite!

  4. #4
    homer's Avatar
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    Question

    thanks. The Fogger goes through 200ml of water an hour. That's not counting evaporation, so at least 600ml a day. No big deal, its easy to just add water.

    As for sealing the pvc pipe... I didn't [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img] There are small squares cut into the acryllic top of the 5.5 tank. The pvc is resting on top of it while the elbows secure it. While its not entirely 'airtight', its quite effective! We'll see how this works in the long run.

    My next experiement is using a peltier system to cool the water in the 5.5 tank. I have ideas, I just do wan't to spend too much $ at one time you see. Maybe next week [img]http://www.**********.com/iB_html/non-cgi/emoticons/tounge.gif[/img]

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    That is a DREAM system you have going there! It's...It's.... I'm at a loss for words!

    SF

  6. #6

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    OK I have some words now.

    How much would it cost for you to come set one up at my house [img]http://www.**********.com/iB_html/non-cgi/emoticons/tounge.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img] (joke)

    What are the temperatures in the tanks? Does the moist air cool the tank down?

    You definitely have a knack at engineering.

    SF

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    [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img] You're a genius!!! When I setup a highland chamber for my ultrahighlanders, I will have to do that!!! It saves just that much room for more nepenthes... [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]

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    homer's Avatar
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    Exclamation

    Well, there was a slight temperature drop. The upper terrarium temp went down in temperature from 78.4F to 76.5F. The lower tank temp decreased by almost 2 degrees as well. I measure temps before the system turned on a right after it shut off. The water in the 5.5 tank, I might add, was at room temperature (sat overnight).

    I plan on incorporating a peltier system of some sort to chill the air. Then I would have a cool setup for a highland tank one day.

    You guys should try and build one of these things. Maybe a airstone would provide the humidity for the system in stead of a $35 fogger?

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