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Thread: T8 vs. T12 VS. Twhatever

  1. #9
    "Oh, now he's a philosophizer" Baylorguy's Avatar
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    T5s are nice, but they are the most costly and put out lots of heat. If you use them, be prepared to provide required cooling. A lot on here do so with fans, humidifiers, etc. And to be honest with you, my plants received probably better color with the T12s vs the T5s since I was able to put the lights closer to my plants.

    Good luck.

  2. #10
    rattler's Avatar
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    was never happy with the T12's i tried, they were OK but for the same price T8's give me much better results.....for 8 years T8 fixtures combined with the cheapest bulk bulbs i could fine has done me very well......
    cervid serial killer
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  3. #11
    Rob's Avatar
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    Thinking about getting a couple of these http://www.specialty-lights.com/960320.html
    Or these http://www.specialty-lights.com/960350.html
    Don't know if the reflectors are the same though...

  4. #12
    monkey_Cup's Avatar
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    @rattler What do you mean by "bulk bulbs".

    I see that some like a T8 and some like a T12. In a light that holds two bulbs could you put one T12 and 1 T8? I really appreciate all the help and advice. Thanks for your time.

  5. #13
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    Monkey_cup, if you ever plan to upgrade your collection, you will be able to put a lot more plants under a t5 HO and still achieve desirable lighting for comparatively cheaper energy costs than t12 or t8. Unless the initial costs are too much for you, I don't think the others are even worth considering (unless only temporarily so).

  6. #14
    Av8tor1's Avatar
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    Ive used them all and grown what I consider some nice looking plants with them all....

    One thing I would say, I would rather have a T12 with a good reflector than a T5 with no reflector ;-)

    Reflector quality can make a significant difference, remember.... 2/3rds of the bulb is pointed in the wrong direction

    I now use T5's with good reflectors and close distances.... but as others are warning you, be prepared to deal with heat and humidity issues.

    No black and white answers to this stuff.... too many variables at play.

    Av

  7. #15
    monkey_Cup's Avatar
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    @mato would the bulb in this link work

    http://www.lowes.com/pd_114806-371-6...DT5&facetInfo=

    ---------- Post added at 11:51 AM ---------- Previous post was at 11:42 AM ----------

    ok i know that there is a big empahsis on reflectors, i notice that most are alumminum, has anyone tried using aluminum ducting on the sides of the light.

  8. #16
    Av8tor1's Avatar
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    Im not mato, but as a rule of thumb... I would recommended a minimum of 25 watts per square foot

    One 13w bulb isnt going to grow anything very well if at all...
    Just my humble opinion

    (Av said what he wanted to say on subject and quietly backs away from table.... )

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