Lighting in Planted Aquariums.

Post your quires regarding lighting needs in planted aquariums.
Bando
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Re: Lighting in Planted Aquariums.

Unread postby Bando » Thu Jan 12, 2012 11:50 am

bmukh wrote: So if you have something like a cube, LED it is, but any longish tank, it should be T5HO. My cube 9rockscape) has one 50 watts LED and one 36 watts PLL..

Hi Bappa,
Since i came late to your place and with so much to take in a little time i don't remember which tank as you have so many...
Which cube is this? What size is it?
I was just estimating why u need the PLL along with such a high powered LED?
Is it something because of the spread of light or something else..?
I plan on lighting an 18inch cube hence the query !



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Re: Lighting in Planted Aquariums.

Unread postby bmukh » Thu Jan 12, 2012 12:15 pm

Bando wrote:
bmukh wrote: So if you have something like a cube, LED it is, but any longish tank, it should be T5HO. My cube 9rockscape) has one 50 watts LED and one 36 watts PLL..

Hi Bappa,
...
Which cube is this? What size is it?
...
Is it something because of the spread of light or something else..?
I plan on lighting an 18inch cube hence the query !

This is the cube with rockscape and Oryzias Woworaes. LED is more like a spot. I wanted deliberately high light for two things, LED t the back for rotalas to remain red and PLL in the front to grow HC carpet. But, I guess LED alone will be enough. The LED light is more harsh (bit yellowish) than the soft white pll output.
Bappa

Bando
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Re: Lighting in Planted Aquariums.

Unread postby Bando » Thu Jan 12, 2012 2:56 pm

So i am guessing i should be good with LED 30 W for my cube?
Will buy and try out.

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Re: Lighting in Planted Aquariums.

Unread postby marsaiko » Thu Jan 12, 2012 5:06 pm

Bando wrote:So i am guessing i should be good with LED 30 W for my cube?
Will buy and try out.

Havent seen a standalone LED tank of 1.5ft height, will be awaiting for your journal, it can look cool.

All the best.
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Re: Lighting in Planted Aquariums.

Unread postby juanico » Sat Jan 14, 2012 10:31 pm

juanico wrote:ok, then i'll use the 10 or 20 W LED for my small tanks and will get T5 for my big tank.
is bhagirath place open on saturaday and sunday?


was in bhagirath today, but unfortunately i was not able to find T5 HO.
Asked around, but nobody had T5 80W (5ft) or T5 54W (4ft).
so, if you guys came along these, please tell me.

i bought ready made LED 10W (450Rs) and 20W (850Rs) for testing.
but after 1 hour testing, my impression is, that 11W PLS is brighter than 10W LED and 2x11W PLS brighter than 20W LED.

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Re: Lighting in Planted Aquariums.

Unread postby marsaiko » Mon Jan 16, 2012 8:21 pm

juanico wrote:
juanico wrote:i bought ready made LED 10W (450Rs) and 20W (850Rs) for testing.
but after 1 hour testing, my impression is, that 11W PLS is brighter than 10W LED and 2x11W PLS brighter than 20W LED.


Thanks a lot for testing and letting us know. Do you have any pics of the same to show brightness?
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Re: Lighting in Planted Aquariums.

Unread postby juanico » Wed Jan 18, 2012 9:54 am

marsaiko wrote:Thanks a lot for testing and letting us know. Do you have any pics of the same to show brightness?


sure.
both pics are taken with the same camera settings: ISO400, shutter:1/30, Ap: 4.0, same distance.

11W PLS, with DIY reflector
Image

10W LED, ready made
Image

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Re: Lighting in Planted Aquariums.

Unread postby Rohan » Sat Jan 28, 2012 6:40 pm

Hey guys am also goofing up with calculations :P

My tank is of 24*12 and using a pll light of 36W

please help :)

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Re: Lighting in Planted Aquariums.

Unread postby aawnaik » Sun Feb 24, 2013 11:49 am

In the given calculations for Lumen, we are considering Length X Width X desired Lumen / Sq. Inch. How about the depthof the tank as well as the level at which lights are installed? Is it not important?
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Re: Lighting in Planted Aquariums.

Unread postby saikumar » Sun Feb 24, 2013 3:16 pm

I think these are standard 20 inch height tank calculations


SCORPIO wrote:
marsaiko wrote:>How much light we need?
- where are you calculating it?? at surface of water or substrate level?
As its same LXB at surface and substrate
.


Later, I will also include other parameters.
You have to calculate only the surface area if tank height from substrate level is up to 20inch.