Lighting for a natural look - The Planted Tank Forum
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post #1 of 10 (permalink) Old 08-12-2020, 03:33 PM Thread Starter
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Lighting for a natural look

Hey,
So I finally decided to get into planted tanks, a low-tech to be exact. I got a 10.5 gallon tank, some shrimp, an applesnail, a couple of moss balls and some anubia barteri. Before getting more plants, I purchased a reasonably priced led. It's a total of 14 lights, 10 pale white and 5 blue, all together they're 14 Watts and 1540 lumins. The white's wavelength is 6000K-6500K, the blue's 460nm-465nm.

With the lights on, the tank looks pale, washed out and artificial. I've read that reds and greens are essential for a natural looking tanks, so I'm looking to purchase another strip or two of leds, the thing is, I don't know which colors to choose. The options are blue,red and pinkish red, sadly the shop doesn't carry greens. There's also the option of a full spectrum that's purpe\deep pink in color, it's a total of 10 lights, 10 Watts and 1100 lumins. I don't know what's the ratio too.

I'll add a picture, if it somehow helps. Ignore the utter mess, the tank's far from being good looking.
Any advice is highly appreciated.
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post #2 of 10 (permalink) Old 08-12-2020, 03:50 PM
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Well first go the crazy route:
https://store.waveformlighting.com/p...-linear-module
Add a 24v power supply and thermal glue it to some aluminum
800 lumens .

20" tanks are somewhat of a challenge.

For $103 you can get 10 1ft bars..
https://store.yujiintl.com/collectio...ant=1104191669

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Last edited by jeffkrol; 08-12-2020 at 04:15 PM. Reason: edit
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post #3 of 10 (permalink) Old 08-12-2020, 04:15 PM Thread Starter
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I'm looking to buy from the same local store. Buying online is not an option since God knows when I'll receive the package.
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post #4 of 10 (permalink) Old 08-12-2020, 05:06 PM
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Just add the red.

All pink/purple/violet are usually just red/blue in different ratios. Some pink are red/blue/white (or green either being run dim).

Adding a RGB strip or light that you can adjust is ideal I suppose

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Last edited by jeffkrol; 08-12-2020 at 05:14 PM. Reason: edit
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post #5 of 10 (permalink) Old 08-12-2020, 05:29 PM
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Quote:
Originally Posted by jeffkrol View Post
Well first go the crazy route:
https://store.waveformlighting.com/p...-linear-module
Add a 24v power supply and thermal glue it to some aluminum
800 lumens .

20" tanks are somewhat of a challenge.

For $103 you can get 10 1ft bars..
https://store.yujiintl.com/collectio...ant=1104191669
What is the difference between this lights you provided, compared to normal 15 bucks blue and white LED from amazon?

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post #6 of 10 (permalink) Old 08-12-2020, 05:33 PM
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Quote:
Originally Posted by victorusaconte View Post
What is the difference between this lights you provided, compared to normal 15 bucks blue and white LED from amazon?

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W/ 99CRI you are guaranteed added red and cyan..
Color is night/day different..to some like me.

@ 5600k it is as close to "natural" as one can get in an off the shelf item
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post #7 of 10 (permalink) Old 08-12-2020, 05:41 PM
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Quote:
Originally Posted by jeffkrol View Post
W/ 99CRI you are guaranteed added red and cyan..
Color is night/day different..to some like me.

@ 5600k it is as close to "natural" as one can get in an off the shelf item
Basically (not trying to be smartass) this expensive lights have more spectrum and reproduce the natural light as close as it can.

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post #8 of 10 (permalink) Old 08-12-2020, 05:48 PM
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Quote:
Originally Posted by victorusaconte View Post
Basically (not trying to be smartass) this expensive lights have more spectrum and reproduce the natural light as close as it can.

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Yea that's about it..
There are cheaper equivalents but mostly DIY.The Yujis are close 95+ CRI w/ the important to me added cyan.
Only $10.3 per foot but min of 10ft.


you can get close by adding just red to your existing lights as I said but just a "tad" off..


rough est of your current light plus red:


Luminous flux : 2,829 lm
Radiant flux : 10,901 mW
PPF : 48.7 umol/s
TCP : 10000 K
CRI : 79

λp : 623 nm
Color : #FF8BD3
-----------------------------------
16 units cool white, 5 blue, 10 red
Expensive strip:


CRI's not the best metric for what people sometimes "feel" is the best but it gets close and you asked for

"natural"..
Ra only averages the first 8 swatches. I assume Re is "extended" averaging all swatches including the R/g/b/y saturated colors and white,"foliage" and skin tone I believe.

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post #9 of 10 (permalink) Old 08-12-2020, 09:29 PM
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Quote:
Originally Posted by jeffkrol View Post
W/ 99CRI you are guaranteed added red and cyan..
Color is night/day different..to some like me.

@ 5600k it is as close to "natural" as one can get in an off the shelf item
A high CRI will give you a more natural look a WRGB LED will give you a more natural looking light than a WB LED. I have a Nicrew classic G2 on my 40B that's a WB light. A Beamswork DA FSPEC should arrive tomorrow, which is a WRGB light. I'll post pictures of the two to show the difference in light quality.

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Last edited by butchblack; 08-12-2020 at 09:30 PM. Reason: spelling
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post #10 of 10 (permalink) Old 08-14-2020, 09:08 AM Thread Starter
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Thanks alot for all your help. I'm planning on getting another strip that's blue and red, and see how it goes from there.
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