chinese led lights

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Hoity said:
Just received confirmation on my new lights from Twilight with the LCD display.

Australia cord with black aluminium case and 60 degree optics and holders
3w Epistar LEDs
Blue 450~460nm
Blue 460~ 470nm
Blue 430~ 440nm
White 20000K
White 14000K
Green 520nm
Red 630nm
Channel 1= 14 White 20000K,6 white 14000k 2 red 630 nm, 2 green 530nm, 1 uv 400nm
Channel 2= 21 blue 470nm, 6 blue 440nm,
Channel 3=3 blue 460 nm

Lyn from Twilight sent thru a layout diagram, cant seem to copy it.
Lights due in 10 days

cheers
Click to expand...

Do you have a price for the fixture?
 
bhazard451 said:
There's nothing wrong. It probably does get ever so slightly brighter up to 65%, and then hits max. You'll notice that under 50%, any minute adjustment makes a difference.

Think of a volume knob on a stereo. You get distortion once you turn the knob past 65% or so, or whatever the max the speaker can handle. Instead of "distorting" at max here, it just doesn't get any brighter.
Click to expand...

you get less of a rate of change, but you still get a change. stick a meter under it you will see it, just not visually.
 
Dobbs1101 said:
Can someone please list the K or nm of what the LED's come in for reference.

I want to order a mix of whites and others but i want to know what I'm talking about so I can get a full spectrum. Like, do I want cool or warm white...got me. hehe

Cool white = ?K
Neutral white = ?K
Warm white = ?K
Royal Blue = ?nm
Blue = ?nm
Violet = ?nm
red = ?nm
Orange = ?nm
Green = ?nm
UV = ?nm

Thanks!
Click to expand...

i stick with the temp numbers and worry less about the names. 10k to 16k, bluer the higher you go.
 
Looking for suggestions or feedback in two builds for a D120. I am looking for more pop in coral and fish with a slightly more overall blue look.


Option 1

4x- 660 nm Red
4x- 520 nm Green
6x- 410-420 nm UV-Violet
6x- 450-455nm Blue
19x- 440-445nm Royal Blue
6x- 3000-3500k Warm White
6x- 6000-6500k Pure White
4x- 6500-7000k Cool White

Option 2

3x- 660 nm Red
4x- 520 nm Green
6x- 410-420 nm UV-Violet
8x- 450-455nm Blue
18x- 440-445nm Royal Blue
6x- 3000-3500k Warm White
6x- 6000-6500k Pure White
4x- 6500-7000k Cool White


Many thanks to cmantis for giving me a starting place and much of the design.
 
Looks like a nice setup. Since I have yet to put mine over water I can't say conclusively but I was told to run the red and green together so that they blend. This is why I arranged mine the way they are. So I would say number 1.
 
JJIM said:
Looking for suggestions or feedback in two builds for a D120. I am looking for more pop in coral and fish with a slightly more overall blue look.


Option 1

4x- 660 nm Red
4x- 520 nm Green
6x- 410-420 nm UV-Violet
6x- 450-455nm Blue
19x- 440-445nm Royal Blue
6x- 3000-3500k Warm White
6x- 6000-6500k Pure White
4x- 6500-7000k Cool White

Option 2

3x- 660 nm Red
4x- 520 nm Green
6x- 410-420 nm UV-Violet
8x- 450-455nm Blue
18x- 440-445nm Royal Blue
6x- 3000-3500k Warm White
6x- 6000-6500k Pure White
4x- 6500-7000k Cool White


Many thanks to cmantis for giving me a starting place and much of the design.
Click to expand...

Where are you ordering these from and how much? Are these the fixtures?
 
Schedule

Schedule

Hi. First, thanks to everyone for this thread, it has a wealth of good information. After reading through a lot of this, I pulled the trigger on four of the D120-style units and am really satisfied with them. My one question is about scheduling. What is working for those who have had them up and running for a while? Do you run the blues and white on separate timers or together? Any other thoughts on configuration would be helpful, as I've only had all four up for a couple of days. (Started with one to make sure it was what I wanted, then added the final three). Thanks!
 
0


Tank under the full spectrum dimmable lights,3 dimmers:
30pcs blue 460-470nm
11pcs white 15000K
6pcs violet 405-415nm
4pcs red 650-660nm
4pcs green 520-530nm
2pcs 1W royal blue moonlight
 
MarcB said:
Hi. First, thanks to everyone for this thread, it has a wealth of good information. After reading through a lot of this, I pulled the trigger on four of the D120-style units and am really satisfied with them. My one question is about scheduling. What is working for those who have had them up and running for a while? Do you run the blues and white on separate timers or together? Any other thoughts on configuration would be helpful, as I've only had all four up for a couple of days. (Started with one to make sure it was what I wanted, then added the final three). Thanks!
Click to expand...

Keep in mind I only had mine up for a few weeks before I found out that I had to move across the country so I didn't get much time to play with them. However, I had 3 a4's on my 6' 150g. Each dimmer was on its own timer and I only had my levels at 50%. Blues/uv were on for 10 and whites were on for 5 while I was getting the tank acclimated. For the short time I ran the LED my corals were really responding compared to my 8 bulb ATI fixture. I still need to find me a tank where I am at but haven't had any luck
 
JimBeam said:
Hi guys, great thread!

I'm looking at two of these http://www.aliexpress.com/store/pro...lue-4violet-and-25white/317880_544640134.html
for my 40" long tank.

Do I understand right that there is no glass to protect the leds? They will be mounted fairly low above the water, something like 11".
And how silent or noisy are the fans? I want to know upfront if I need to replace them since the tanks stands in our livingroom...

Thanks!
Click to expand...

It has a glass shield to protect the leds. The fans aren't silent, but they aren't annoying either.

I would go with two of these with 90 degree optics for your tank.
 
Thanks, I cant believe the price on these units :spin2:
Easy to take a risk this way.

One last question, can I get some red leds somewhere and add them?
I once added a 'reddish'' (can't remember exactly what color) T5 to my Ati array and my tank totally came alive colorwise :bigeyes:
 
JimBeam said:
Thanks, I cant believe the price on these units :spin2:
Easy to take a risk this way.

One last question, can I get some red leds somewhere and add them?
I once added a 'reddish'' (can't remember exactly what color) T5 to my Ati array and my tank totally came alive colorwise :bigeyes:
Click to expand...

There's two things you can do. You can request red leds as spares with the order, and they'll provide them for free. You would have to solder them in yourself at some point.

or

Just request they build the fixture with 2-4 red leds in it. They'll customize it for you if you email them, and create a link to order from.
 
I'm just wondering how the addition of a few reds and greens affects the color patterns I. The tank. I know with t5 the placement of the bulbs can have a dramatic effect of color changes. I know with my 8 bulb fixture I spend hours trying to get that perfect color combination. If I put the Figi purple to close to the front it began to look like pepto water. If I put them to far to the back the blue+ would wash out the colors. So I just wonder how the led lights will blend. With the a4's I bought I was able to adjust them to match my t5's even though I didn't get red/greens
 
I have a question for those that have multiple different whites in their array. Right now i have 12 10000k white 4 Royal blue and 4 UV on dimmer 1. 20 Royal Blue and 4 Violet on dimmer 2. I have 4 6500 k LEDs that I recieved with the light "just in case". Im really contemplating adding these. I like the color as is im just wondering if it would bring out more color in some reds and cover more of the full spectrum. Any ideas are recomended. If I add them i would either replace the 4 UV or replace 4 10000k whites. Thanks
 
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