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Thread: Custom Ventilation System

  1. #9

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    were did you get it
    I love nepenthes

  2. #10
    homer's Avatar
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    Unhappy

    Jmenprkr,

    What do you mean by it exactly?

    If you're referring to the fogger, Petco.

    -Homer

  3. #11
    VFT and Drosera lover vft guy in SJ's Avatar
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    That looks like a very nice setup Homer. I'm curious, how constant does it keep the RH in the tanks? Do you get spikes when it turns on and off? Does it only run at night? Have you tried running it durring the day? How much of a temp drop do you get? How effective might it be in cooling at night? I guess it may be a little soon to have any real data on some of this. I would be very interested in the hard numbers from what you have set up here.

    Thanks
    Steve
    There are only 2 infinite things... the universe and human stupidity, and I'm not too sure about the universe.

  4. #12
    homer's Avatar
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    Exclamation

    Well Steve, I ran the system last night for an hour while checking the readings every 15 minutes. Here is the summary of the results:

    temperature drop for top tank 3 degrees, bottum tank 1 degree. Keep in mind the ambient room temp dropped 1 degree in that hour.

    Humidity level in top tank dropped from 97% to 91% in the first 15 minutes. After that it decreased to 89% at the half hour point and stayed there for the rest of the duration.

    The initail RH was 74% in the lower terrarium. It rose to 77% within 15 minutes. After that, it continued to climb slowly to 79% and stayed there.

    In conclusion, there is a spike in RH within the first 15 minutes, but its only within the 5-10% range in both terrariums. My objective for this setup is to bring in moist air from outside the tank to prevent mold, etc.

    Hope this helps answer some of your questions. I plan on doing one more run during the day today.

  5. #13
    Copper's Avatar
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    Hmmm. I have the extra tank and several stones. I even have an idea on how to make one for a lowland tank. What if instead of just a fan you used a heater and fan. I have an extra one of those to. That way the breeze would not bring down the temp, but hieghten it.
    I am just like a Super Hero, but without the power or motivation.................and the funky suit.

  6. #14

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    hehe, i just have a fish tank pump for ventalation. i took the airstone off and put outlet of air in front a ultrasonic fogger. maybe im just too cheap [img]http://www.**********.com/iB_html312/non-cgi/emoticons/tounge.gif[/img] . Zongyi
    What you want to do is illeagle here in Canada.
    Email does not work! Use PM or yangzongyi@hotmail.com instead.

  7. #15

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    Post

    Keep an eye on the tips of your leaves... the exoterra fogger slightly heats the water molecules as it vaporizes it; as the mist settles onto the leaves it can cause them to brown at the edges and eventually liquify... a lesson phil and I learned with the large display terrariums from our Houston retail store....

    We replaced the exoterras with you average compact home humidifier from target... pipe it in the same way and the cooler temp makes most terrarium dwelling plants happy and safe from liquification! And the larger water tank will make you happier with fewer refills...

    Michael
    mmcgee@**********.com

  8. #16

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    can you tellme where you got all the stuff [img]http://www.**********.com/iB_html312/non-cgi/emoticons/laugh.gif[/img]
    I love nepenthes

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