Fennex Ray 2 for red plants - The Planted Tank Forum
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post #1 of 30 (permalink) Old 03-17-2013, 10:34 PM Thread Starter
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Fennex Ray 2 for red plants

So I have the 18" ray2 ds for a new setup I'm working on.
Will this light keep the red color in red plants?
Pictured of other ray2 setup would be great.
If not can I add some red light some how?
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post #2 of 30 (permalink) Old 03-17-2013, 11:52 PM
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The two sides of the red plant problem are:
Does the light emit enough light in the red part of the spectrum for you to see reflected red light?
Does the plant need red light in order to turn red?

I don't know the answer to either question for sure, but I don't think plants need red light to turn red, just enough PAR. And the first question would have an answer dependent on what LED light you are referring to.

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post #3 of 30 (permalink) Old 03-18-2013, 12:27 AM Thread Starter
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The light I have is the 18" ray2 this will give me 70-80 par to the bottom of my soil
Not real sure on plants yet. Suggestions would be great. Still in research mode.
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post #4 of 30 (permalink) Old 03-18-2013, 01:05 AM
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I have heard again and again that LEDs do not grow red plants.


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post #5 of 30 (permalink) Old 03-18-2013, 01:16 AM Thread Starter
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Quote:
Originally Posted by ThatGuyWithTheFish View Post
I have heard again and again that LEDs do not grow red plants.
not sure how that can be, if the spectrum and par is right. any reason why?
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post #6 of 30 (permalink) Old 03-18-2013, 01:37 AM
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From my experience, some plants are hard to keep red under it, others are fine. Ludwigia sp Red stays red, Rotala macandra Rotala wallichii also stay red. Ludwigia repens stays half red under it.


I honestly don't think it's for lack of the red output in the light, my male golden pencil fish have stunning dark red markings under this light.


It's a great light, try it and see what you think. I really like the colors in my tank with it. My wife does too, and that's most important lol!
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post #7 of 30 (permalink) Old 03-18-2013, 01:48 AM Thread Starter
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Originally Posted by BriDroid View Post
From my experience, some plants are hard to keep red under it, others are fine. Ludwigia sp Red stays red, Rotala macandra Rotala wallichii also stay red. Ludwigia repens stays half red under it.


I honestly don't think it's for lack of the red output in the light, my male golden pencil fish have stunning dark red markings under this light.


It's a great light, try it and see what you think. I really like the colors in my tank with it. My wife does too, and that's most important lol!
Thanks.
def some of the plants i'm looking at getting. nice to see a local on here!
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post #8 of 30 (permalink) Old 03-18-2013, 02:07 AM
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LED = washed out color?

There are some pics for ya in this thread.
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post #9 of 30 (permalink) Old 03-18-2013, 02:31 AM Thread Starter
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LED = washed out color?

There are some pics for ya in this thread.
thanks.
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post #10 of 30 (permalink) Old 03-18-2013, 02:35 AM
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thanks for this question . I have the 48" ray2 and had my red plants fade when I put them in from the LFS. However, they weren't the ones that were listed above as the ones that would stay red. I am going to try and get those ordered and give them a try!!

55 gal plant newb
fluval 306
48" finnex ray2 slim led
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post #11 of 30 (permalink) Old 03-18-2013, 02:43 AM
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Who ever said no red under led's is baloney. Both of the plants are under different ray 2s...





The photos don't do justice of how nice these plants are...
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post #12 of 30 (permalink) Old 03-18-2013, 02:45 AM
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Quote:
Originally Posted by Pyrojodge View Post
Who ever said no red under led's is baloney. Both of the plants are under different ray 2s...





The photos don't do justice of how nice these plants are...
Those aren't the red plants we're talking about. Rotalas, ludwigia and the sort. Those plants you posted are red by default and low light.


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post #13 of 30 (permalink) Old 03-18-2013, 09:29 AM
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leds work for red plants.....

you are lacking iron most likely, need red clay in substrate or dose iron into water.

Red wendtii stays red under led w/o any iron
bronze wendtii has slight red/tan color
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post #14 of 30 (permalink) Old 03-19-2013, 02:43 AM Thread Starter
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guess I will find out on my own.
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post #15 of 30 (permalink) Old 03-19-2013, 03:06 AM
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My alternanathera reinckii is looking pretty good so far.

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