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Thread: Mass's "up the humidity" project

  1. #9
    Av8tor1's Avatar
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    Quote Originally Posted by mass View Post
    Dude.. what do ya think this is? http://i1139.photobucket.com/albums/...s/IMG_7163.jpg Yup.. an ultrasonic fogging humidifier. I fill it twice a day, let it run as long as the lights are on, and am still only getting 70%. How big is your space?
    Mass, that particular ultrasonic humidifier has a "restrictor plate" to reduce output. If you turn the tank upside down and look down the outlet you will see it.

    It can be removed with a pair of needle nose and a little twisting and yanking.... (aggressively LOL)

    caveat, it will help its performance quite a bit, but it will also show the weakness of that unit's small reservoir size (hence their reason for adding the restrictor to begin with)

    Ive experiemented with almost every brand of ultrasonic humidifier over the years.... fwiw, the sunpentown su-2000 is top dog imho

    +1 on Ann's comments.... i run mine constantly whenever the lights are on and simply adjust output levels. Constant running allows me go take full advantage of evaporational cooling (which is critical in my setup, ymmv)...


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    Last edited by Av8tor1; 09-08-2011 at 08:33 PM.

  2. #10
    swords's Avatar
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    A Zoomed Hygrotherm:

    http://www.ebay.com/itm/Zoo-Med-Hygr...item53e3edffbb

    I don't know why people don't think they need humidity and cooling at night as well as day? I leave these on 24/7/365.

    Last edited by swords; 09-08-2011 at 08:22 PM.

  3. #11
    mass's Avatar
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    Yeah.. I totally misunderstood what you were saying there Hooverville. Mah bad.. mah blunders. Your LFS looks gorgeous btw! Another big reason I did this is so mine will stay like that. Also, the reason you didn't see any fog in the pics was because I took them pretty much at the same time I finished assembly and turned on the humidifier.

    Anna, you basically describe my exact setup. Except my fogger comes on and off with the lights, and the (2) fans are on 24/7.

  4. #12
    GregNY's Avatar
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    I second using the sunpentown su2000. I dont use it for a highland chamber but the thing has a nice 2 gallon capacity and run smooth as silk and has a nice output stream of fog for sure.

  5. #13
    stretch.... yawn... jbradt's Avatar
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    What is your target humidity? I have my rack nestled in a recess in my wall that I covered in foam board insulation. Basically I created a little insulated box for the rack (minus the top... still trying to figure out how best to do that, or even if it's necessary). This coupled with the evaporation from the little bit of standing water and the surface of the pots keeps the humidity around 65% during the day, and even the touchy stuff (Jamban, Jacquelineae, etc) are doing really well. I was going to hook up my humidifier and a fan, but it doesn't seem to be necessary. What was your humidity at before the change?
    Indeed. Most indeededly. Phillip J. Frye


    My growlist.

  6. #14
    mass's Avatar
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    Humidity was at 70%-80%.. which the plants responded well to after adding some real lights. My target is 85%+ constant.. something that will make my moss happy as well.

  7. #15
    stretch.... yawn... jbradt's Avatar
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    I didn't think about the moss. Sounds like you're on the right track to your goal. Nice job!
    Indeed. Most indeededly. Phillip J. Frye


    My growlist.

  8. #16
    swords's Avatar
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    LOL It's looking like America will be one big Hooverville before long...

    I could add that I water the plants every 3-4 days due to the moss using so much water and the air swirling around all the time. When I fertilize I let the pots sit a day or two before follow up flushing. Giving both the moss and the Neps time to soak up the nutes. Every other day I use a gallon size pump up garden sprayer with wand to soak the moss as if it were getting rained on. keeps it very soft and supple and quickly growing. My moss was tall and hiding the plants but I did a big haircut a month or so ago, getting to be time again on some of the smaller guys.

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