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DIY Led lamp intensity and par adjusting

Discussion in 'Lighting' started by omartinez, Mar 3, 2015.

  1. omartinez

    omartinez Prolific Poster

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    Hi, My new tank is done, with just only 3 weeks running. I've started dosing IE, and my co2 is open as much as my red sea 500 reactor can handle (i will change soon to an external reactor). I'm using a wet/dry setup.


    A local friend have an apogee par meter, and my levels came much more higher than i expected, 40umols below the overflow, and some 145 at the tank front and center. the lamp is 12" above water.


    I have Brown diatoms algae.I want to lower the lights to some 40-50umlos average.


    what do you guys recomend?
     
  2. jard

    jard New Member

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    If it is a DIY LED lamp you could always remove some of the LEDs or if you have a dimmable driver just lower the power to the lights. Are either of those valid options for you?
     
  3. Christophe

    Christophe Subscriber
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    Or hang the light higher over the tank.
     
  4. omartinez

    omartinez Prolific Poster

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    I can dimm the light, i also have my own DIY controller.


    I forgot to say that the tank is 48x18x24"deep


    the ligths are at 11" from the wáter surface.
     
  5. heel4you

    heel4you Junior Poster

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    Hi omartinez,


    What kind of LED'S did you use?


    I would like to do an DIY LED project, but I am not sure which LED'S to go with.


    Thanks!
     
  6. omartinez

    omartinez Prolific Poster

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    Luxeon ES 3watts leds
     
  7. heel4you

    heel4you Junior Poster

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    Thank you.


    I will look into those.
     
  8. omartinez

    omartinez Prolific Poster

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    ok..adjusted light intensity and i've an average of 32umols.


    Should i reduce my light period to 8 hours only?


    New Algae is gone, removed manually the old algae from rock and leaves.
     
  9. Christophe

    Christophe Subscriber
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    I always feel like eight hours is a good max time limit. You can stay lower maintenance and easier at six hours, depending on the demands of your specific plants.
     
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