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How much trouble am I in?

Discussion in 'General Plant Topics' started by james.folsom, May 31, 2010.

  1. james.folsom

    james.folsom Guest

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    #1 james.folsom, May 31, 2010
    Last edited: Aug 26, 2010
  2. Philosophos

    Philosophos Lifetime Charter Member
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    1.5-2x brighter depending on reflectors mostly. Fresh bulbs will be 1.5x output to start, tapering down to about regular after 3 months.

    I'm not sure about the spectrum on your bulbs in specific, but 12,000k is heavy blue/green in general missing a lot of prime spectrum in the higher end.

    Unless you happen to have a PAR meter, I'd say do what looks good then adjust for intensity as your tank responds.

    What size of tank are you running now by the way?
     
  3. james.folsom

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    #3 james.folsom, May 31, 2010
    Last edited: Aug 26, 2010
  4. Philosophos

    Philosophos Lifetime Charter Member
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    Sounds like they've got a PAR meter; they'd certainly want one for what they're doing.

    That lighting is overkill. You could've done just as well with a couple of stock T8's. There's nothing like an overpowered light as an excuse for a bigger tank though ;)
     
  5. james.folsom

    james.folsom Guest

    Sounds like I have some options

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    #5 james.folsom, Jun 1, 2010
    Last edited: Aug 26, 2010
  6. Tug

    Tug Lifetime Charter Member
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    This should help. Help your eye lids feel heavy. Find some toothpicks.
    And a few other interesting links,
    http://www.barrreport.com/showthread.php/6752-quot-Need-quot-high-light-for-red-plants-1.8W-gal-see-what-you-think

    http://www.barrreport.com/showthread.php/6972-The-light-limiting-growth-management-method

    http://www.barrreport.com/showthread.php/7002-Why-dont-use-actinics-in-the-planted-tank

    http://www.plantedtank.net/forums/lighting/105774-par-vs-distance-t5-t12-pc.html

    When you talk to the guys doing the algal biodiesal work, find out how much light they are using to grow algae. I have been told that they can almost grow the stuff in the dark now.

    Sorry I'm not more help.
     
    #6 Tug, Jun 1, 2010
    Last edited by a moderator: Jun 2, 2010
  7. Philosophos

    Philosophos Lifetime Charter Member
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    I'd run no more than one bulb in that fixture, or raise it higher.

    Current makes a 10,000k bulb if you want something a little more standard looking.
     
  8. james.folsom

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    #8 james.folsom, Jun 1, 2010
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  9. Philosophos

    Philosophos Lifetime Charter Member
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    Java fern and anubias always seem to respond slow. C. wendtii laying down is one I haven't seen. Short internodal spacing is a good result.

    Reflectors would be a smart idea for them; higher output at a lower cost in replacement bulbs and energy. The reflectors would pay for themselves pretty quickly. If it's a matter of initial output expense, they'd probably be better off with even PVC sawed in half and painted a very pure white.
     
  10. james.folsom

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    #10 james.folsom, Jun 1, 2010
    Last edited: Aug 26, 2010
  11. Philosophos

    Philosophos Lifetime Charter Member
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    Interesting reaction; C. parva does it easily but I've never seen it in C. wendtii before under any number of light levels. The plant looks healthy enough.
     
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