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Thread: My latest DIY LED build

  1. #1

    My latest DIY LED build

    I have been working on a new LED build for my solana. It is WAY overkill, but I am looking at getting a larger tank and wanted to be able to use this over it when I get it rather than building another light. Here are the specs:
    Custom built 18x18 heatsink

    24 - 20k 3w LED's
    24 - RB 3w LED's
    12 - 10k 3w LED's
    6 - standard blue 3w LED's
    3 - UV 3w LED's
    3 - Red 3w LED's
    4 - RB moonlight 3w LED's
    12 - 700mA dimmable buckpucks
    1 - 350mA dimmable buckpucks
    60 degree optics

    All of the LED's amd optics were purchased from Satisled and my total cost for this fixture had been right about $500.

    Yes, that is 72 LED's over a 34 gallon tank. As I said, it is WAY overkill, but should work nicely over a larger tank as well (looking at a 92 corner tank).

    I am hoping that by putting so many different colors I can get closer to a full spectrum.
    I was unable to find a heatsink that was large enough to work over the tank, at least at a decent price, so I decided to build my own. It is sort of an unorthodox idea but it seems to be working. I got a 1/4 inch aluminum plate and attached a bunch of 1/4 inch "C" channel to it. these are bolted to the plate and have thermal paste between them and the aluminum plate. Here are some pics to give you an idea what I did.




    I am still working on all of the wiring, but so far I have all of the 20k, RB, and half of the 10k LED's wired. I set it up so that the 20K, RB, 10k, Satndard Blue, and RB moonlights will each be dimmable seperate from each other. The red and UV will be dimmed together since they are on the same buckpuck. This should give me unlimited control over the color mix and intensity of the light. Here are a few more pics of what I have so far.




    Here is a drawing showing the layout of the LED's that I decided on. The section at one end with no LED's it the back of the fixture.

    http://www.marinecolorado.org/forums...lon-Pico-Build
    Current Tanks: 34g Current Solana mixed reef, 3g custom drilled pico mixed reef, 90g in-wall work in progress

  2. #2

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    Dang!!!! That is going to be one sick DIY unit. How are you going to hang the unit once you are done? Are you worried about the red led at all (algae)? And why did you only opt for 3 UV's? Was that dimmer box you showed set up to dim all the leds or just a few? And what is your total wattage? Last question... Fans?

    Can't wait to see the rest.
    “That which is impenetrable to us really exists. Behind the secrets of nature remains something subtle, intangible, and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion.”
    ― Albert Einstein

    DBTC corals: owed: lots... given: lots

  3. #3
    nice! ...not really alot considering didnt you have a 400w over it b4? ...should be comparable to that
    Don ------------making waves like a vortech
    membersatlarge@marinecolorado.org

    DBTC That I owe:
    2X green monti, 2x henry's zoas, 2x tourqoise milli, 2x rainbow pocci, 2x blue digi, 2x blue riddler,


  4. #4
    Quote Originally Posted by KhensuRa View Post
    Dang!!!! That is going to be one sick DIY unit. How are you going to hang the unit once you are done? Are you worried about the red led at all (algae)? And why did you only opt for 3 UV's? Was that dimmer box you showed set up to dim all the leds or just a few? And what is your total wattage? Last question... Fans?

    Can't wait to see the rest.
    I am still working on hanging it. I think that I am going to attach some eyebolts to the heatsink and hang it from the existing hanging arm.
    I am not really worried about algae growth due to the red LED's, I am just trying to get as full a spectrum as possible.
    I only used 3 UV because I was not sure how many would be needed. I have read that you need to be careful when using UV LED's because it is very easy to overdo it and harm your corals.
    The dimmer box that I showed you is from a previous build. I am doing one for this build as well, but ut will be much bigger than the last one. It will have 6 dimmer knobs, 1 each for the 20k, 10k, RB, Standard Blue, and moon lights, and one for the UV and red combined.
    It is a total of 216 watts, not counting the moonlights. With the moonlights it is 232 watts.
    I am hoping that I will not need any fans. I am currently running 60 of the LED's at full blast, after a little while I will check the temp of the heatsink with a laser thermometer. If it goes more than a few degrees over 100 I will figure out how to attach a fan or two.
    http://www.marinecolorado.org/forums...lon-Pico-Build
    Current Tanks: 34g Current Solana mixed reef, 3g custom drilled pico mixed reef, 90g in-wall work in progress

  5. #5
    Quote Originally Posted by dv3 View Post
    nice! ...not really alot considering didnt you have a 400w over it b4? ...should be comparable to that
    I did have a 400w, but it was dimmed to 260w. MOst people say that this is enough LED's for a 90 gallon tank. I have always been one to overdo things.
    http://www.marinecolorado.org/forums...lon-Pico-Build
    Current Tanks: 34g Current Solana mixed reef, 3g custom drilled pico mixed reef, 90g in-wall work in progress

  6. #6
    ya its defiantly alot of light i was bleaching stuff with a 120 watt (1watt leds) on my solana ..i was just thinking it was about the same as 400w halide
    Don ------------making waves like a vortech
    membersatlarge@marinecolorado.org

    DBTC That I owe:
    2X green monti, 2x henry's zoas, 2x tourqoise milli, 2x rainbow pocci, 2x blue digi, 2x blue riddler,


  7. #7

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    Plan on fans.
    I have 30 (3W) LED's on a 10"x12" Heatsink from heatsinkusa
    and if I turn them all up to full power the heatsink gets pretty warm.

  8. #8

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    wow thats going to be nice once you get it all wired up. I am contemplating going to LED, but dont know if DIY is the way to go or a housing, with DIY you can run the 3w LEDs at 3w lol
    DBTC That I Owe:
    Green Bay Packer Zoas (x2),Fuzzy Mushroom (x2), Green Yuma (x2), Torch coral (x2), Goblins Fire,

  9. #9
    Is Satisled a LED manufacturer or just the seller? Do you know who actually manufactures the LEDs? Did you do any comparison with Bridgelux LEDs? Also where did you get your buckpucks from?

  10. #10
    Quote Originally Posted by ZenMan View Post
    Is Satisled a LED manufacturer or just the seller? Do you know who actually manufactures the LEDs? Did you do any comparison with Bridgelux LEDs? Also where did you get your buckpucks from?
    According to thier website SatisLED is the manufacturer. I have not done any comparison to Bridgelux though I can tell you that they do not appear as bright crees. I still have to wire the standard blue, UV and red, but at full blast it seems about as bright as the 400w MH. I expected it to be brighter and was planning on not running it at full power, though I am sure that the PAR is higher than the MH. Also, I like the color of the RB better than the crees, it is a deeper blue, almost a little purple.

    The only place I have found that you can get the buckpucks is from Ledsupply.com.
    http://www.marinecolorado.org/forums...lon-Pico-Build
    Current Tanks: 34g Current Solana mixed reef, 3g custom drilled pico mixed reef, 90g in-wall work in progress

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