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Thread: 6700K vs 10000K

  1. #1

    Question 6700K vs 10000K


    0 Not allowed!
    I'm trying to decide on lighting for my 90g. It will be heavily planted, Flourite substrate, and co2. Right now I am looking at compact fluorescent lighting, probably four 65 watt bulbs. Most of the fixtures I see for sale have either 50/50 bulbs, combinations of white and actinic bulbs, 6700K bulbs, or 10000K bulbs. I was wondering which would be the best to choose, especially between the 6700K and the 10000K. Thanks.

    Liters to Gallons conversion calculator

    "Keeping fish for any period of time doesn't make you experienced if you're doing it wrong. What does, is acknowledging those mistakes and learning from them." ~Aeonflame
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    your argument is invalid." ~Mommy1


  2. #2

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    From what ive read and heard around the forum, 6700k is pretty much the color sunlight, so you want to get as close to that as you can. I hear of people using 10k on planted tanks, but most of the time the planted tank addicts suggest 6700k, so, ive converted all my bulbs since then slowly.

  3. Default


    0 Not allowed!
    I would go with 6700k. But on my planted tank I have 10000k because there wasn't an option to get the fixture I have with 6700k. And I don't plan on getting 6700k till the 10000k need replaced.

  4. #4

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    0 Not allowed!
    You can actually mix them up. It really doesn't make much difference between the 2, the 10K will just give you a bluer look and can really make the colors of your fish pop.
    Considering a Marine Aquarium? A Breakdown of the Components, Live Rock, Cycling a Marine Tank

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  5. #5

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    Look into T5s. They are better than compacts.
    Aquarist since 1995
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    Advanced Aquarium Concepts: Articles about many aspects of aquarium care.

  6. #6

    Default


    0 Not allowed!
    Quote Originally Posted by ILuvMyGoldBarb
    You can actually mix them up. It really doesn't make much difference between the 2, the 10K will just give you a bluer look and can really make the colors of your fish pop.
    10,000K is on the high end of the spectrum for photosynthesis though. Don't you think that 6700K is more in the middle of the spectrum for photosynthesis purposes?
    8 tanks running now:
    1x 220 gallon, 2x55 gallon, 1x40 gallon long, 1x29 gallon, 1x20 gallon long, 1x5.5 gallon, 1x2 gallon
    Gouramis, barbs, rasboras, plecos, corys, tetras, fancy guppies, swordtails, ottos, rainbow shark, upside-down catfish, snails, and Max and Sparkles the bettas.

  7. #7

    Default


    0 Not allowed!
    T5's are better, if you want compacts try to find just the fixture w/o bulbs and use GE 9325k
    As I get older I find myself thinking about the hereafter - I go into a room and then wonder what I'm here after.

    AC's Free Aquarium Ebook

  8. #8

    Default


    0 Not allowed!
    Quote Originally Posted by Algenco
    T5's are better, if you want compacts try to find just the fixture w/o bulbs and use GE 9325k
    Where would one find that bulb? Store like Lowe's?
    8 tanks running now:
    1x 220 gallon, 2x55 gallon, 1x40 gallon long, 1x29 gallon, 1x20 gallon long, 1x5.5 gallon, 1x2 gallon
    Gouramis, barbs, rasboras, plecos, corys, tetras, fancy guppies, swordtails, ottos, rainbow shark, upside-down catfish, snails, and Max and Sparkles the bettas.

  9. #9

    Default


    0 Not allowed!
    Quote Originally Posted by gm72
    Where would one find that bulb? Store like Lowe's?

    I knew someone would ask, been trying to remember where I got mine, I'll find them
    As I get older I find myself thinking about the hereafter - I go into a room and then wonder what I'm here after.

    AC's Free Aquarium Ebook

  10. #10

    Default


    0 Not allowed!
    found them !! They are only available as straight pin , it say 55w but all 65watt bulbs are just overdriven 55's
    $14.50 ea Coralife wants about $30ea

    http://www.lightbulbsdirect.com/page...LL/F55BX-AR-FS
    As I get older I find myself thinking about the hereafter - I go into a room and then wonder what I'm here after.

    AC's Free Aquarium Ebook

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