colored LEDs and the planted tank - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 05-08-2012, 09:25 PM Thread Starter
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colored LEDs and the planted tank

I was just curious as to if any of you guys have started adding colored LEDs along with your whites. Like cyan, red, and blue.
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post #2 of 9 (permalink) Old 05-08-2012, 10:45 PM
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I just use white and blue. Blue seems to bring out fish colors nicely with about a 4:1 ratio.

LED Lighting Compendium
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post #3 of 9 (permalink) Old 05-08-2012, 11:07 PM
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I've often thought it would be neat to do a fixture with a dawn to dusk sequence that fades in red, then mixes blue and white.

The red plant bulbs look nice I think.

Led grow lights use all sorts of strange colors +uv, but that would be counterproductive in the tank since you would exceed very high light before getting anything to make the display look good in the mix
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post #4 of 9 (permalink) Old 05-08-2012, 11:25 PM
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I used about 1/4 neutral white, 1/4 royal blue and 1/2 cool white for my fixture. The cool white however are my main lighting and the nw and rb are so I can change the colour. It's pretty neat, I can go from sickly yellow to reef tank blue.
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post #5 of 9 (permalink) Old 05-09-2012, 01:21 AM
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im still looking for a led fixture that has white and that pink color. like the pink of the geisemann T5 bulbs. really makes the tank/plants and fish color stand out more. most of the leds are more meant for salt thats why they have the blue.
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post #6 of 9 (permalink) Old 05-09-2012, 01:37 AM Thread Starter
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I'm really surprised no one has tried out mixing some in. From what I've read and heard on other forums, turquoise/cyan and deep red create a 'white' light (that brings out reds/greens).

I can't believe more of you don't think your tank looks 'washed out'. When I tried out a fixture I made for a reef that had a mix of cool white, neutral white, royal blue, and blue (all individually dimmable) I noticed that the green and especially the red spectrums were really lacking for me.

Violet LEDs are also really supposed to help warm up your tank.
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post #8 of 9 (permalink) Old 05-09-2012, 10:37 AM Thread Starter
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post #9 of 9 (permalink) Old 05-09-2012, 09:24 PM
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Originally Posted by oldpunk78 View Post
I'm really surprised no one has tried out mixing some in. From what I've read and heard on other forums, turquoise/cyan and deep red create a 'white' light (that brings out reds/greens).

I can't believe more of you don't think your tank looks 'washed out'. When I tried out a fixture I made for a reef that had a mix of cool white, neutral white, royal blue, and blue (all individually dimmable) I noticed that the green and especially the red spectrums were really lacking for me.

Violet LEDs are also really supposed to help warm up your tank.
Quote:
Originally Posted by pandacory View Post
I've often thought it would be neat to do a fixture with a dawn to dusk sequence that fades in red, then mixes blue and white.

The red plant bulbs look nice I think.

Led grow lights use all sorts of strange colors +uv, but that would be counterproductive in the tank since you would exceed very high light before getting anything to make the display look good in the mix
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Originally Posted by oldpunk78 View Post
I was just curious as to if any of you guys have started adding colored LEDs along with your whites. Like cyan, red, and blue.
It's being done. First off you have this as a possibility
Quote:
IMM Photonics presents a newly developed LED featuring a continuous spectrum from 400 nm to 750 nm.

Due to their internal design, standard white LEDs have a gap in the spectrum between 400 nm and 450 nm as well as around 500 nm. The new WISPEC-LED now sets out to close this gap.

Combined, the four chips that have been joined together on one compact LED deliver very homogenous white light. Depending on the application, the light can be individually adjusted because the chips can be controlled independently from one another. For example it is possible to generate “Cool White” with a colour temperature of > 7.800 K. A CRI (Colour Rendering Index) value > 90 can be realized as easily as a lighting current of >130 lm. A colour mixing stick (optional) will allow for homogenous localized and spectral light distribution.

Due to pulse-width modulation (PWM), the LED is also dimmable by a ratio of 1:400 without changing its colour temperature.

The WISPEC-LED has been specially developed to replace halogen lamps, but is also used for applications such as microscope lighting or colour measurement. An additional advantage: Infrared radiation, which has detrimental effects on many applications is not an issue with the WISPEC-LED. http://www.imm-photonics.com/

And these items.
http://reefbuilders.com/2012/05/04/f...ai-vega-color/
There's a vid on Youtube showing the AcanLighting Prism LED in action
.
http://truaqua.com/aquarium-lighting-led-48inch.html

http://www.plantedtank.net/forums/li...ctrum-led.html
Indigo LED


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