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Thread: Nitrogen deficiency

  1. #9

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    That would be interesting, I use T12 cool whites also. I haven't fed my plants in a while I am going to get some crickets this weekend. I do fertilize ever month or so with orchid fertilizer so it must be the light intensity. Thanks or all the suggestions.
    -Nick
    It's like walking out a door and discovering it's a window.

  2. #10
    Outsiders71's Avatar
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    You guys should get t-8's they're more efficient and output more lumens.
    James 1:17

    "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows."

  3. #11

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    I use compact flourescents [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_k_ani_32.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/cool.gif[/img]

  4. #12

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    Quote Originally Posted by [b
    Quote[/b] ]You guys should get t-8's they're more efficient and output more lumens.
    The t-8's I see around here put out less lumens than t-12's. I use a combo of cool white and daylight. The initial lumen output for a single bulb is around 3150. The color temp for the daylight is 6500K and for the cool white it is 4400K (or something in that ballpark). On the otherhand, the t-8 cool white has an initial lumen output around 2200.

    What's the lumen output for your t-8s?

    I would really like to get t-5s, with the initial lumen output of 5000 for a single bulb. If you use 6 bulbs you'll get 30,000 lumens, which is very close to a 400watt metal halide.

    My leaves have a healthy glow to them. I'll try to take some photos.

    Brian

  5. #13
    chloroplast's Avatar
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    Quote Originally Posted by [b
    Quote[/b] ]You guys should get t-8's they're more efficient and output more lumens.
    This is true for some brands but, unfortunately, like Brian, the T8s sold in my area have the same lumen output as the T12s but cost more! I should probably do an online search of good brands and ask the clerk to order those.

    Quote Originally Posted by [b
    Quote[/b] ]I use compact fluorescents
    I do as well for hanging plants and others too big or otherwise unsuitable for grow racks/terraria. There's nothing wrong with these, but you have to be more careful about overheating/burning your plants as they get MUCH hotter than the tubes. Also, if you're putting them over small (10gal) terraria, you may want to consider placing 4 10gal terraria side-to-side and covering with a single or even two 4' fixtures. You would get good light at a fraction the setup cost.
    Secretary, New England Carnivorous Plant Society (NECPS) http://www.necps.org/
    Member, International Carnivorous Plant Society (ICPS)
    Member, North American Sarracenia Conservancy (NASC)
    Member, The Carnivorous Plant Society (CPS)

  6. #14

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    Chloroplast: You bring up an interesting point about compact flourescent temperature.

    All of my terrariums are 10 gallons and under and I use compact flourescents on all of them. The tanks do get pretty hot, especially during the summer, which sometimes has some bad effects on some of the newer arrivals to my collection. However, once the plants get used to the heat, they're usually fine.

    The thing is, I would love to use flourescent tubes, but I just don't have the space for them right now. I keep all my plants in my room, so 4 foot fixtures wouldn't exactly be space efficient. I really wish that companies would make tube fixtures of all sizes (ones that don't need all the weird wiring that you can get at Home Depot). Just a cheap fixture that holds perhaps two 20 watt tubes and can just plug right into a wall out of the box. Is that so much to ask?!

    The point is that I'm stuck with compact flourescents. The good thing is that they work well for the most part.

  7. #15
    srduggins's Avatar
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    I just bought some single tube 20 W 2' long flourescents w/ fixture that just plug into the wall at Walmart. Less than $10, and it comes with a "grow" light for plants and aquariums. Check out their flourescent lighting section. I put two of them on top of a 10 gallon tank.
    A day without Nepenthes is like a day without sunshine

    --steve

  8. #16

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    Really? Dang, I might have to go check that out! Do you plan on using the tubes they came with or replacing them with something else?

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