Diy led

The aluminum is used to asorbe the heat and alow for a bigger area of displacement and easier cooling, plastic and wood would not allow this and the LEDs would over heat
 
And as far as the longevity of the Fedys is unknown as these have never been put to use in the mannor crees have
 
Hi i need litle advice i reduing me led i adding 52 feedys cold vhite 18k i have existing 42 white 12k and 40 royal blues i was thinking tu use 52-18k, 39 RB and 39-12k me tank is 48x24x18 costume rimles tank is it cona be inof tu grow anything or should i need tu gou 52 -18k, 52-12k,52-rb vhot you think .i don't wona over kill the tank i cona be using mean weel 60-48P drivers paralel 2 strings off 13 led so 26 leed from one driver and use daylight controler .thanks fore advice.
 
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http://www.powergatellc.com/Mean-Well-Power-Supplies.html
order from link
can run 80 leds

I'm a little confused here, per the Data sheet I read this driver supplies 36V @ 2.65A
With 36V you can run up to 11 LED's in Series
With 2.65 Amps you can at the most run 3-4 Parallel strips (Considering each LED is 750mA)
How are you able to drive 80 LED's? I'm trying to find Dimmable drivers & feel very lost now & your help would be greatly appreciated.
 
You need the ReefKeeper ALC module. It has two 0-10V ports and they supply the wires. You connect those wires to your driver 0-10V analog dimming input. You can dim 2 separate channels using the ALC. You can have multiple drivers on each channel, but that depends on what kind of driver you are using. It cannot handle too many Meanwells.
 
If you are only going to use RK ALC, then no. Personally I have both using 4PDT switch so I can use both the pots and the ALC. ALC dims very very slowly. In case you want to increase or dim the light right away, you will have to go through a lot of programming steps and alter your program.
 
Does anyone has experience with Adding red LEDS to there reef.
I have a 300 gallon dd tank with 200 fedy LEDS 60% 18000k and 40%royal blue and am thinking of adding 10-20 red LEDs without optics.
If you have what LEDS and driver are you using? I will post on the DIY forum as well.
 
Some really great builds in here, tanks look amazing!

I am sub'ing because I am going to attempt the same for my 150 (72x24x20), when I get everything else ready.

From what I have read I will be using a 1:1 ratio blue/white, and spacing them to 1 LED per 12 sq in (should I go more sq in per LED since I am so shallow? LOL, or adjust lenses accordingly?) I plan to use the Mean Well dimmable ELN 60-48p drivers (2 drivers for 144 LEDs?) and the Typhoon controller that was posted earlier.

Thank you!
Kyle
 
All of my heat sinks are done. I got the aluminum from:

Alro Metals Plus at 12490 49th St. N. here in Clearwater. I just have to get the LEDs, wire, solder, flux, and alot of Mountain Dew.

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6 of these heatsinks from Heatsink USA would have cost me $513.78. My total cost for the project, $187.00.
 
Some really great builds in here, tanks look amazing!

I am sub'ing because I am going to attempt the same for my 150 (72x24x20), when I get everything else ready.

From what I have read I will be using a 1:1 ratio blue/white, and spacing them to 1 LED per 12 sq in (should I go more sq in per LED since I am so shallow? LOL, or adjust lenses accordingly?) I plan to use the Mean Well dimmable ELN 60-48p drivers (2 drivers for 144 LEDs?) and the Typhoon controller that was posted earlier.

Thank you!
Kyle

Two ELN 60-48 drivers will not run 144 LED's. I'm running 2 strings of 11 with one of those drivers right now, it might do 1 or 2 more per string but that driver runs much hotter turned up that high. I run a fan on mine to keep the heat down, but I can't help but think it will affect longevity. If you are looking to run only 2 drivers you need to look for one of the more powerful drivers. You have to beware of those drivers though, as they can output the voltage and amperage to do great bodily harm if you screw something up.
 
Some really great builds in here, tanks look amazing!

I am sub'ing because I am going to attempt the same for my 150 (72x24x20), when I get everything else ready.

From what I have read I will be using a 1:1 ratio blue/white, and spacing them to 1 LED per 12 sq in (should I go more sq in per LED since I am so shallow? LOL, or adjust lenses accordingly?) I plan to use the Mean Well dimmable ELN 60-48p drivers (2 drivers for 144 LEDs?) and the Typhoon controller that was posted earlier.

Thank you!
Kyle

I wouldn't use that many LEDs either...I have a 60x24x24 and have 134 LEDs and is too much. I've ramped them down and limited my photo period and still have great growth. If I was to build again I would plan around 110 total based on the driver outputs. My 2 cents...
 
Two ELN 60-48 drivers will not run 144 LED's. I'm running 2 strings of 11 with one of those drivers right now, it might do 1 or 2 more per string but that driver runs much hotter turned up that high. I run a fan on mine to keep the heat down, but I can't help but think it will affect longevity. If you are looking to run only 2 drivers you need to look for one of the more powerful drivers. You have to beware of those drivers though, as they can output the voltage and amperage to do great bodily harm if you screw something up.

I plan on using at least a couple fans on the fixture. But, like I said, much more for me to learn on the LED's. I will go back to research and see if I can find what will work for me. I don't really want to run the bigger drivers so more of the smaller ones will have to do, plus it will give me greater flexibility when it comes to my lighting. Thanks

I wouldn't use that many LEDs either...I have a 60x24x24 and have 134 LEDs and is too much. I've ramped them down and limited my photo period and still have great growth. If I was to build again I would plan around 110 total based on the driver outputs. My 2 cents...

My guess is, based on the responses, I will run 100-110 LED's with 5 drivers, I want to have the ability to run the light but I know I will not have them 100%

I am going for a little cooler light output, so looking at running a 2:1 ratio with blues and whites on separate drivers, adjusting them according to my personal taste. Thank you!
 
I thought I saw somewhere local to get this stuff but can't find it in th thread, anyone know where in Tampa this was?

Arctic Alumina Thermal Adhesive

Bob
 
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