Limits of new Fuge Ray R-Red? - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 03-16-2013, 05:39 PM Thread Starter
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Limits of new Fuge Ray R-Red?

I'm setting up a new nano tank and really want to use this light. The tank is 18" long though, and I am concerned the light won't be sufficient at only 10" long. If I raise it up enough, will the light have enough spread to cover my tank? I'm growing low light plants, mainly mosses.
Any advice appreciated.

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post #2 of 11 (permalink) Old 03-17-2013, 04:44 AM
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hello,

I did some tests for you with my ray-r. however, they're not in any tank and just through dry air

at 12 inches high, the spread for 18 inches (9 inches from center of light)


were 11 PAR at center
dropping to ~9-10 PAR 5 inches front and back of the unit (the corners assuming 18 L 10 deep) i just took 5 inches but if you want an actual value for the actual width of your tank i can do that as well

with 23 par dead center


+20 par at end of unit
+ so the PAR drops off from 20 to 11 as you go out from under the unit

Last edited by aspensandoaks; 03-17-2013 at 04:45 AM. Reason: more info at end of unit
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post #3 of 11 (permalink) Old 03-18-2013, 07:59 AM Thread Starter
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Re: Limits of new Fuge Ray R-Red?

Wow, thanks Aspens! The tank is actually going to be a nano, 18-5-7. Shallow and skinny, but fairly long. I wasn't sure if this fixture would cover the tank even if raised a bit. I just like the idea of the red LED combo

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post #4 of 11 (permalink) Old 03-18-2013, 08:10 PM
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Quote:
Originally Posted by A.D.D.i.c.t. View Post
I'm setting up a new nano tank and really want to use this light. The tank is 18" long though, and I am concerned the light won't be sufficient at only 10" long. If I raise it up enough, will the light have enough spread to cover my tank? I'm growing low light plants, mainly mosses.
Any advice appreciated.



For a visual, here is the light on a 24" tank with the light being rougly 21" high. From the base, I would say the light can extend 4.5" max with the flex arm.
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post #5 of 11 (permalink) Old 03-18-2013, 08:11 PM
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Quote:
Originally Posted by aspensandoaks View Post
hello,

I did some tests for you with my ray-r. however, they're not in any tank and just through dry air

at 12 inches high, the spread for 18 inches (9 inches from center of light)


were 11 PAR at center
dropping to ~9-10 PAR 5 inches front and back of the unit (the corners assuming 18 L 10 deep) i just took 5 inches but if you want an actual value for the actual width of your tank i can do that as well

with 23 par dead center


+20 par at end of unit
+ so the PAR drops off from 20 to 11 as you go out from under the unit
Super informative response. Are you sure you don't secretly work for us???
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post #6 of 11 (permalink) Old 03-18-2013, 09:27 PM Thread Starter
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Thanks everyone! I'm really considering it.

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post #7 of 11 (permalink) Old 08-11-2013, 09:38 PM
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Quote:
Originally Posted by aspensandoaks View Post
hello,

I did some tests for you with my ray-r. however, they're not in any tank and just through dry air

at 12 inches high, the spread for 18 inches (9 inches from center of light)


were 11 PAR at center
dropping to ~9-10 PAR 5 inches front and back of the unit (the corners assuming 18 L 10 deep) i just took 5 inches but if you want an actual value for the actual width of your tank i can do that as well

with 23 par dead center


+20 par at end of unit
+ so the PAR drops off from 20 to 11 as you go out from under the unit
You just gave Finnex another sale! I was curious about this for my 5.5gal and it basically seems perfect. Thank you, you are a scholar and a gentleman!
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post #8 of 11 (permalink) Old 08-11-2013, 10:00 PM
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I have them on both my 5.5 gallon tanks. I think it is perfect for low light on the standard 5.5
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post #9 of 11 (permalink) Old 08-11-2013, 11:35 PM
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Originally Posted by meppitech View Post
I have them on both my 5.5 gallon tanks. I think it is perfect for low light on the standard 5.5
Is there a way to lower the light closer to the substrate to increase par?
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post #10 of 11 (permalink) Old 08-19-2013, 10:41 PM Thread Starter
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The light is held above the tank by an adjustable arm. When mounted on the rim of the tank, you can really only lower it as much as the arm allows. The light isn't too expensive, I would pick it up and just try out different setups.

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post #11 of 11 (permalink) Old 08-20-2013, 01:50 AM
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Yeah I've already had it a week lol! Love how it makes the tank look! And really no algae....which is unfortunate cuz I wanna get some fishies in there but I'm waiting for the tank to go through a couple cycles and algae to establish a bit so I can get oto cats without starving them
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