Selecting a LED Fixture - By Steven Pro

Discussion in 'LED Lighting Specific' started by revhtree, Sep 15, 2011.

  1. chicagobears2010

    chicagobears2010 Well-Known Member

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    Reef radiance.com
     
  2. NanaReefer

    NanaReefer Well-Known Member R2R Supporter

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    OMG!! I just bought the RR EverGrow IT2040!! On sale for $289!! I hope they cover my 40b!!!
     
  3. NanaReefer

    NanaReefer Well-Known Member R2R Supporter

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    Oops scratch that. Went with the LumenTek Pro 180 instead :) on sale for $319 :)
     
  4. chicagobears2010

    chicagobears2010 Well-Known Member

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    Where'd u get it thru?
     
  5. NanaReefer

    NanaReefer Well-Known Member R2R Supporter

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    ReefRadiance.com
     
  6. memori shots

    memori shots Member

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    Hi I really need some help choosing some lights I have a 220 tank 72 by 30 inch and 24 inch I currently am using meta hi but my con Ed bill is a killer I want to switch to reef breeders (2) 36 led lights but I don't know who have ever used them my budget for lights are 1500$ any help will be great
     
  7. ReefLEDLights

    ReefLEDLights Well-Known Member R2R Supporter Gold Sponsors

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    Thermal Management is Key

    All things equal a fixture using Cree X Series LEDs with a junction temperature of 25 Degrees C is 15% brighter than the same running at 85 Degrees C.

    3 Watt Bridgelux Knockoffs can be at a greater disadvantage due to their design.

    Also...Heat and Excessive Heat does not play well with electronic longevity.

    Bill
     
  8. RobberyinCSharp1824

    RobberyinCSharp1824 Well-Known Member

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    Oh my god I wish I had seen this article sooner! Definitely struggling to keep different coral alive with my LEDs, and now you mention some key facts that I didn't know, I realize where I have made my mistakes! Arghh....
     
  9. boka

    boka Member

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    what is your light schedule? what are the peak for blues and whites?
     
  10. boka

    boka Member

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    what is your light schedule? what are the peak for blues and whites?

     
  11. Joshblah

    Joshblah Member

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    good point!! This article is helpful
     
  12. Thle009

    Thle009 Well-Known Member Partner Member

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    I have 2 Orphek Atlantik V2.1b. Really like the color, but nothing like what I saw those tanks with MH Radium bulbs. Just wonder if any one here have the Atlantiks and have better results.
     
  13. twilliard

    twilliard OSI layers, yuck! R2R Supporter R2R Excellence Award Reef Squad Partner Member

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    I run the atlantik compact and couldn't be happier.
    Sure these may be no comparison to mh but then we are talking apples to oranges
     
  14. arman

    arman Well-Known Member

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    hi
    you have advised that i buy what i my self see it
    but here in my country the LEDs are mostly fake
    Any one knows how to find out that which one is fake or not???
     
  15. twilliard

    twilliard OSI layers, yuck! R2R Supporter R2R Excellence Award Reef Squad Partner Member

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    What country are we speaking of?
    LED technology has come a long way.
    I don't think i can say a brand is fake. There are a lot of differences in fixtures.
     
  16. arman

    arman Well-Known Member

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    IRAN im talking about
    there are LEDs that the LED sellers say that its for saltwater tanks but no aqua brand ive seen
     
  17. arman

    arman Well-Known Member

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    one more question
    do LPS corals grow in aquariums????
     
  18. arman

    arman Well-Known Member

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    ive heared that if the kelvin of light gows higher than 14000k the corals do not survive more than 1 year for example 25000k
     
  19. twilliard

    twilliard OSI layers, yuck! R2R Supporter R2R Excellence Award Reef Squad Partner Member

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    Yes lps coral will live a long time.
    14k is a good target but remember led fixtures are deceiving to the eye.
    A par meter will tell you A lot. Do you have access to one ?
     
  20. arman

    arman Well-Known Member

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    whats the par meter???????
     

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