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Thread: Fluorecent light life

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    Grey Moss's Avatar
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    Fluorecent light life

    Does anyone know how long T8 fluorecent lights would last before I would have to swap them out to maintain light intensity and quality? They are on for about 15 hours a day. I know that i will have to replace them a while before they die to be useful to my plants, but how soon?

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    Frilleon's Avatar
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    I have been told the every 6 months is best. I do it about every year as I buy the higher end grow bulbs. With my reptiles I have to replace my bulbs every 6-12 months.
    Grow List: http://www.terraforums.com/forums/sh...d.php?t=116427
    Member of BACPS & ICPS

    A question that sometimes drives me hazy: am I or are the others crazy? Albert Einstein

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    sea bear returns! theyellowdart's Avatar
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    I think a good rule of thumb is once a year. They start losing a lot of intensity if left in for very long.
    growlist

    Has anyone really been far even as decided to use even go want to do look more like?

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    Moderator Joseph Clemens's Avatar
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    I'm cheap, I don't replace mine until they fail to light at all.
    Joseph Clemens
    Tucson, Arizona, U S A

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    Halt's Avatar
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    Quote Originally Posted by Joseph Clemens View Post
    I'm cheap, I don't replace mine until they fail to light at all.
    yes yes! another cheapo x)

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    blokeman's Avatar
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    only been in this for 7 months, haven't changed em yet, yay, another expense (note the sarcasm..heu heu )
    Grow list...
    http://terraforums.com/forums/showthread.php?t=114907

    “Experience: that most brutal of teachers. But you learn, my God do you learn.” C.S. Lewis

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    Joseph has to be cheap because he burns like 8 tubes over each flat, LOL, same as I used to, so he can get away with it. I pretty much would let mine fail, but it isn't so critical if you have a lot of them as when you have few or one since all are maturing at a different rate. I believe and may be wrong that studies said 8 months for optimal spectrum.

    Always best to incorporate some real sunlight too, even if only partial, whenever possible.

    Cheers!
    "Grow More, Share More"

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