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Thread: 4x4 car lighting for aquarium

  1. #1
    Join Date
    May 2012
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    Melbourne, VIC
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    Default 4x4 car lighting for aquarium

    Hi All,

    I am looking into upgrading the lighting in my 4 foot breeding rack due to my old flourescent lighting having problems.

    I'm wondering if anyone has tried using 4x4 light bars for an aquarium? They seem to put out a stupid amount of light for the money. Is there any reason I couldn't use one of these and just run it with a 12v power supply into a timer?

    https://www.4wdsupacentre.com.au/pro...light-bar.html

    Is there any way these could easily be dimmed?

    Cheers!

  2. #2
    Join Date
    Jun 2013
    Location
    ACT
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    Default

    Hey Sweefu, I would suggest not to. These are designed to be cooled by high wind flow and the LEDs will prematurely fail in an aquarium setting.

    I've dimmed a smaller light bar like that with a simple dimmer from fleabay.

    If it's a breeding rack, would these suit for low to medium light?
    https://www.aliexpress.com/item/5pcs...ceBeautifyAB=0

  3. #3
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    May 2012
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    Melbourne, VIC
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    Quote Originally Posted by Rebel View Post
    Hey Sweefu, I would suggest not to. These are designed to be cooled by high wind flow and the LEDs will prematurely fail in an aquarium setting.

    I've dimmed a smaller light bar like that with a simple dimmer from fleabay.

    If it's a breeding rack, would these suit for low to medium light?
    https://www.aliexpress.com/item/5pcs...ceBeautifyAB=0
    Thanks Rebel you raise a good point!

    I'll look into those shop fixture lights, although I'm not sure if they would be bright enough. I keep shrimp in the racks so I need a decent amount of light for sufficient bio film/algae growth. Currently using 2xT5 tubes which have become too dim over time.

  4. #4
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    ACT
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    Quote Originally Posted by sweefu View Post

    I'll look into those shop fixture lights, although I'm not sure if they would be bright enough. I keep shrimp in the racks so I need a decent amount of light for sufficient bio film/algae growth. Currently using 2xT5 tubes which have become too dim over time.
    I've got those 'fxiture' lights and they are pretty ok. I've used them in extremely high humidity environments and they are still going at 1 year. ( I used the IP68 rated lights) Just use three in a row if you want more brightness.

    If you are handy, then you can combined 1W LEDs, LM317 and a TC420 to have very bright lights.

    These lights
    https://www.aliexpress.com/item/LED-...ceBeautifyAB=0

    have a nice red/purple hue to improve your visual spectrum so to speak.

    I find that one of these red tubes with two 6500K are a nice pleasant and bright spectrum to look at.
    Last edited by Rebel; 09-07-18 at 10:38 AM.

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