Which are the most benefitial light colors to a reef tank?

Discussion in 'Lighting' started by HOT SAUCE, 17 Aug 2013.

  1. HOT SAUCE

    HOT SAUCE

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    Hi all,

    I'm starting this thread with the hope that we can find out which color spectrum are most important for color growth and coloration and which are just there for aesthetics.
    In the event of one building a DIY LED unit which colors we should go for eg. Cyan, Royal Blue, White, Cool White, Red, Green etc. Is there a rule of thumb for the ratio in which the colors are mixed for best results and if not lets share our personal experiences and ideas.
     
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  3. brentv

    brentv

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    I'm interested in this question too.
    I see even some of the New Pacific Suns don't even have white in them, they are made up by using every colour in the rainbow!

    Some reds are awesome others make algea go nuts!!

    Also balance between aesethetics and growth I think is the big player at the moment!
     
  4. SAMI

    SAMI

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    royal blue and blue
     
  5. Express Reef

    Express Reef

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    To give you an idea of appropriate ratios of color:

    5,000K = 100% Neutral White
    9,000K = 20% Actinic Blue and 80% Neutral White
    10,000K = 50% Actinic Blue and 50% Neutral White
    12,000K = 60% Actinic Blue and 40% Neutral White
    15,000K = 70% Actinic Blue and 30% Neutral White
    20,000K = 90% Actinic Blue and 10% Neutral White
    22,000K = 100% Actinic Blue
     
    Last edited: 18 Aug 2013
  6. SeanR

    SeanR

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    Tagging along to this one
     
  7. LCornelius

    LCornelius Moderator

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    Tagging along.
     
  8. mariusmeyer

    mariusmeyer

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    For the last year I have been running a unit with only white, blue and royal blue leds and I have had great growth and colour. So I would say that's the basics you need.

    The other colours are less beneficial (corals can still benefit but not as much) and more for aesthetics in my opinion.
     
  9. brentv

    brentv

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    But aesthetics are the other 50% of the reason for lighting... :biggrin:
     
  10. VicZA

    VicZA

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    Well, I mistakenly bought two different Vertex Lights:
    one is the Illumilux 900-MBI (Royal Blue / Cool White)
    one is the Illumilux 900-MBL (Royal Blue / Blue)

    So, I am hoping this will give me good coral growth
     
  11. butcherman

    butcherman Moderator

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    do you know the wavelength of these? would be nice to convert them when talking about led's?
     
  12. Express Reef

    Express Reef

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    Neutral White - 324 Lumens 5000k - Basically the same full spectrum wavelenghts as our sun for amazing coral coloration and growth! This is the perfect balance between cool white and warm white.

    Actinic Blue - Wavelength - 440nm-450nm The lower the wavelength or royal blue, the more iridescence or "color pop" your corals will have. Cool Blue Wavelength -470-480nm Excellent for enhancing true coral colors
     
  13. Nemeziz_za

    Nemeziz_za

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    Excellent, LED for dummies is exactly what I need.
     
  14. Braco

    Braco

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    Tagging Along
     
  15. carlosdeandrade

    carlosdeandrade

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