chinese led lights

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Bhazzrad. I had twilight setting up custom 180 80 pc led .. Now telling them. Need mre specifics and layout posted. To the link. I was going to trust them on layout. But to any longer given our issue. Should I ask them what bin LEDs they use ect.
 
Bhazzrad. I had twilight setting up custom 180 80 pc led .. Now telling them. Need mre specifics and layout posted. To the link. I was going to trust them on layout. But to any longer given our issue. Should I ask them what bin LEDs they use ect.

Don't even bother. There are much better options available.

They refuse to do anything for my light, and basically said there is nothing wrong and its my problem. My problem is now I have a terrible looking light that I now have to modify with new, better leds to look acceptable.

Go with the Apollo light. You said you have an Apex, and its a much better light with an actual warranty.
 
Ok, I have decided to go with the A8 model x 2

Color ratio the simple 48:48 ratio (please stop me if there is something better)

Just doing my final negotiation with evergrow and will see what happends.
 
Yeah, the brightness difference is what really disappoints me. The Evergrows are BRIGHT, where these seem almost half as bright. I guess Evergrow really does use a good Bridgelux bin, compared to these Epistars. Very noticeable difference.

Could be a bad light though. Would like to hear if others who have ordered from Twilight are experiencing the same thing.


I have ordered 4 lights Which are due to be shipped tomorrow. I am very concerned although my layout and ratio is more 1:1. Fingers crossed
 
Yeah, the brightness difference is what really disappoints me. The Evergrows are BRIGHT, where these seem almost half as bright. I guess Evergrow really does use a good Bridgelux bin, compared to these Epistars. Very noticeable difference.

Could be a bad light though. Would like to hear if others who have ordered from Twilight are experiencing the same thing.

man that is crazy to hear about. i had a quality issue at the beginning, and it did take some very direct and forceful convincing but they made it right in the end. i essentially opened a case on them with chase and told them if they did not make it right, chase would take the money back in 4 to 5 days. I also opened a case on aliexpress. this lit a fire under their butt and they have been good ever since.

i would never trust any of these companies to know color mixing or aesthetics as that is way to subjective. Twilight does seem to be pretty good at what you tell them to do. Only time will be the true test of quality.
 
Don't even bother. There are much better options available.

They refuse to do anything for my light, and basically said there is nothing wrong and its my problem. My problem is now I have a terrible looking light that I now have to modify with new, better leds to look acceptable.

Go with the Apollo light. You said you have an Apex, and its a much better light with an actual warranty.

I'm going with Apollo, they are local to me so if anything happens he is only 12 miles away. Besides I just visited with a few people that have them and their tanks looks awesome.
 
man that is crazy to hear about. i had a quality issue at the beginning, and it did take some very direct and forceful convincing but they made it right in the end. i essentially opened a case on them with chase and told them if they did not make it right, chase would take the money back in 4 to 5 days. I also opened a case on aliexpress. this lit a fire under their butt and they have been good ever since.

i would never trust any of these companies to know color mixing or aesthetics as that is way to subjective. Twilight does seem to be pretty good at what you tell them to do. Only time will be the true test of quality.

The difference in the white leds are shocking. Running at 580mah, the cool white bridgelux leds Evergrow and the Reefbreeders fixture used are easily twice as bright over the Twilight Epistars at 630mah. Since they're so dim, the blues in a 2:1 ratio completely overpower them, which shouldn't happen normally. You would have to run closer to 1:1 with them.
 
Pulled the trigger finally on my 3 units from Gehl (Ada Dong)

Went
23 White 4 UV Dimmer 1/switch 1
24 Blue 4 Violet Dimmer 2/switch 2
2 moonlights/switch 3

Similiar to another members lights but i switched the dimmer the uv/violet ran on.

Will post pics/reviews once I get them.
 
At the moment I am running my lights total 10/11 hours. Probably do a max of 12 with 6/7 hours of day and 3/4 sunrise/sunset.

Just so I make sure I read you right, you run the blues for a total of 10-12 hours and the whites overlapping for 6-7 hours in the middle? That's basically how I ran my T-5's, so it makes perfect sense. Thanks.


I run mine for 12-14 hours with no issues. I would previously only run my MH/T5 for 6-8 hours because it would heat the tank too much. No heat issues with leds.

Thanks! Do you run them all, or do you have a morning/noon/night cycle like Mt Neon?
 
Just so I make sure I read you right, you run the blues for a total of 10-12 hours and the whites overlapping for 6-7 hours in the middle? That's basically how I ran my T-5's, so it makes perfect sense. Thanks.




Thanks! Do you run them all, or do you have a morning/noon/night cycle like Mt Neon?

Marc, I run my lights that way because of the results I have seen so far plus the "breaking in" of the LED's from T5's. I doubt I will change the pattern since things look great. I don't have any ramping up of the LED's like other high end fixtures but to me it is just easier to set it and forget it.

Others may have a longer or shorter period based on how everything in their tank responds. Again, I don't really know if there is a "formula" to say that you have to run your lights a certain time period and nothing more or less. There are guidelines to how much per day but I think we learn that what may be standard in this hobby soon becomes somewhat obsolete down the road. Same thing with all the different lights that are used in our hobby.
 
Understood. I have been running mine with both blues and whites on for approximatelt 10 hours a day. So far it seems OK, but I always like to seek alternate ideas and opinions so I have as much info as possible.

Thanks for your help!
 
Sry to ask again but didn't get an answer before did those who got the d120 with 34 blues 17 whites 4 violets like them? There was one or two who went with it I missed there review
 
Sry to ask again but didn't get an answer before did those who got the d120 with 34 blues 17 whites 4 violets like them? There was one or two who went with it I missed there review

I got a d120 with that combo and so far it is great! A bit blue than I thought but the 4 violet less are 440 nm and don't seem to have much purple in them. They look pretty blue. I am changing out some less I am getting from Sam. 420 nm violets and some warmer whites and a couple reds.
For the most part I am pleased with the light and output.
 
Wow, I cannot tell you how much this thread has helped me. I am still all over the place on what I want to buy but this has definitely help lead me in the right direction. Thanks all!
 
mlott132 - Has your one arrived yet? are you having the same problems as bhazard?

They apologized and they're going to try to work with me on it. I appreciated that.

When I get the time, I'm going to try a few things to fix it up. I really like the built in controller, and the blue channel is plenty powerful. The whites aren't as powerful though, so more need to be used here. This is different than other fixtures I've tried, including my DIY fixture.

Just be specific in the layout of how you want the leds, and things should be ok. The default is a vertical pattern of leds, when a horizontal pattern would blend better. Use closer to the 30:25 ratio instead of 2:1 on them. Use the 90 degree optics they have as well, because they are a bit better.
 
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