Charts - Lights, reflection, absorption, etc.

Discussion in 'First Time Marijuana Growers' started by Doobee, Sep 14, 2007.

  1. #1 Doobee, Sep 14, 2007
    Charts to give you an idea on the different forms lighting adn what they do....



    But first, a quick ph chart​

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    OK, now lights.....​

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    More too come...​
     
  2. #2 OldSkool1010, Sep 15, 2007
    Here is another chart that I found useful

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  3. #3 toastybiz, Sep 15, 2007
    Nice charts. Not all that important to know about the improved efficiency over time for each different light, but still it clearly demonstrates the relative efficiencies today. It's amazing that incandescents are no more efficient today than they were 75 years ago.
     
  4. #4 OldSkool1010, Sep 15, 2007
    I was surprised to see that T5 tubes were more intense than a MH lamp.

     
  5. #5 toastybiz, Sep 15, 2007
    The graph shows them as more efficient, not more intense.
     
  6. #6 OldSkool1010, Sep 15, 2007
    I think I understand. Any info on light intensity versus lumens per watt that you know of?

     
  7. #7 jcj77d, Sep 15, 2007
    dont forget this one
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