2 SAT Plus OR 1 E series on 120g (48x24x24) - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 10-30-2014, 01:51 PM Thread Starter
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Lightbulb 2 SAT Plus OR 1 E series on 120g (48x24x24)

I'm setting up a 120 short ( 48x24x24) Low tech.
I'm going to have about 3 inchs of gravel ( Black Flourite)
So the total height from gravel to light will be roughly 21".
I leaning towards the 2 Sats, since I already use 4 on my 55 gal tanks with great success. what do you guys think?
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post #2 of 6 (permalink) Old 10-31-2014, 08:09 AM
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For dawn/dusk on the sat+ you have to manually select that effect each time right? Where as the E-series automates that with the included ramp timer, and when you do a storm you just hit resume after, and return to the e-series automated schedual. Two sat +'s are getting into e-series price range... So with included ramp timer and nearly twice the light and a little more functionally, it seems like an e-series would usually be the better choice over two sat+'s...I'd think?

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post #3 of 6 (permalink) Old 10-31-2014, 12:42 PM
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You'll have better spread and more even coverage with 2 Sat+ lights than with 1 e-series, but one e-series will give you a lot more power (even for low tech). The E-series controller is also far better than the Sat+ setup. I took PAR measurements for somebody else with a tall tank using 2 Sat+ lights that will be helpful for you:

Quote:
One of my Satellite Plus lights puts out 12 PAR directly under the light at 20" and then down to 5 PAR when you go to the front or back by 10". If you put 2 of them 4" apart over the same height you get 26 PAR directly in the middle, 23 PAR under each light, and 15 PAR when 10" from the center.
So, that's not a lot of PAR. An E-series should give you about 50 PAR, and you can dim it down if that's too much. I swapped from 2 Sat+ lights to 1 e-series, and I wouldn't ever trade back. I much prefer the E-sereis.


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post #4 of 6 (permalink) Old 11-03-2014, 12:57 PM Thread Starter
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48x24x24 LOW TECH

Thanks for the responses. I forgot to mention this is going to be low tech tank. i'm leaning toward the e series but worried about the spread. Does any once actually have an e series setup on a 120 short?
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post #5 of 6 (permalink) Old 11-05-2014, 01:15 AM
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Even for low tech, 2 Sat+ lights are pretty low par for your height, with a spread of 15 PAR at the front/back to 26 PAR max in the middle. You can grow plants, but slooooow.

Regarding spread, yes, it'll be an issue. Even in my 12" deep tank (front to back), I notice my stem plants reaching toward the center for the E-series. So, any time you put 1 strip of lights over a tank you'll have spread issues. It's like you need a slightly more powerful Sat+ or a slightly cheaper and less powerful E-series so you can buy 2 (if you want LED). Maybe look at fluorescent lighting.


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post #6 of 6 (permalink) Old 03-30-2015, 08:47 AM
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Sorry if this is way too late, but I have an e series on my 120 (4x2x2), it does light the tank well but I'd consider this a low light setup.
It's been about 2 weeks, i went from 500 watts of metal halide (came with the tank and didn't plan on using it long term), the water started turning green. Once I got the e series, water is clear and plants don't seem to be dying or growing, however I moved some plants around and they were rooted in deep, so it seems this light would be perfect for low light. My plants are anubias crypts sword and tall grass.
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