DreamChip build

[007Bond]

The same link you posted on the 16th. Its a long read and very argumentative. I'm surprised the mods didn't close it. They just shut down, and then reinstated the LC thread for far less confrontation in my opinion.

Anyone else have some DC experiences they would share. Thanks,---Rick

 

[proietti]

Oh sorry I forgot I posted it already. Yes it is argumentative which is sad and I did not bother reading the arguments, but what was interesting was the Utube link.

 

[007Bond]

And I guess I should not have categorized the whole thread as argumentative. There were really only a couple that went on and on. There were a lot of postings from guys that I think know what they are talking about. I guess like most things you need to sift through them to get the good.

 

[zachts]

I think that is why the mods left it open. In between a few argumentative posts there was a very large amount a valuable and accurate information exchanged. Most everything you need to know about LED spectrum and coral pigmentation spectrums can be found in that thread or one of the links posted in it.

I personally applaud the Mods for tolerating the initial bickering and leaving it open (they did pop in a few times to "moderate")

It's now one of my favorite threads when I need to refer someone to a repository of knowledge on LEDs, Light spectrum, and coral pigmentation. I just give a disclaimer to skim thru a few posts and keep on reading!

:beer:

 

[proietti]

I totally agree. After having read through that thread and gaining a better understanding on the required spectrum required I have now amended my fittings accordingly. I now have a very small amount of white Led's, I have put in more OCW,s and blues. my ratio to white now is 5/1, and I have turned them down to 50%, I have immediately noticed in the past week the corals like it more. Polyp is bigger and is extended through out the lighting period.

 

[Lassef]

In Swedish but lot of Pictures from two tanks driven by original DC
http://www.saltvattensguiden.se/for...es-Percula-120/page5&highlight=lasses+percula from post # 83 Mostly softies and LPS

http://www.saltvattensguiden.se/forumet/showthread.php?50529-Mitt-rev-450-liter/page10 from post 186 mostly sps

The 100 LEDs chip normally runs around 30 - 40 % and the blue channels around 60 %. 60 degree lenses.

Sincerely Lasse

 

[proietti]

The 100 LEDs chip normally runs around 30 - 40 % and the blue channels around 60 %. 60 degree lenses.

What are the percent is the white channel running at?

 

[Lassef]

I am sorry "“ I meant that I normally run my 100 LEDs chip´s white channels at 30 "“ 40 % and the blue channels around 60 %. Totally I use around 50 % of the capacity of the chip. I use 60 degrees lenses. The chip is situated 8" from the surface and the aquarium is 24" deep.
My aquarium has a length of 48".

If I put up a new tank with this depth I would use 50 LEDs chip instead (60 degree lenses) or not use any lenses.

I burned some of my corals in the beginning but after I start with this figures it much better. The 420 "“ 430 channel don´t look like it is intensive "“ but it is. I was down to 40 % with that channel for a while.

Because the white channels has 10 000 and 16 000 K "“ they are not so strong in the "œlumen window" and I get a rather good pop up even with the white channels working around 30 %. There is one drawback with the DC "“ you can never turn down the white channels to zero because the blue LEDs in the blue channels will light up the phosphorus of the white channels even if there is zero current through them.

I know that the DC over the SPS aquarium is driven in the same way

Sincerely Lasse

 

[proietti]

I am sorry – I meant that I normally run my 100 LEDs chip´s white channels at 30 – 40 % and the blue channels around 60 %. Totally I use around 50 % of the capacity of the chip. I use 60 degrees lenses. The chip is situated 8” from the surface and the aquarium is 24” deep.
My aquarium has a length of 48”.

Exactly correct. The link I posted refers to strength and spectrum. You inadvertently are doing as the link suggests. you are effectively turning down your yellow spectrum. I too at the beginning was pumping out too much white and the corals did not like it but after having turned my whites down low the corals are happier. The white light IMO should be considered visual bulb rather than a PAR bulb.

 

[007Bond]

Exactly correct. The link I posted refers to strength and spectrum. You inadvertently are doing as the link suggests. you are effectively turning down your yellow spectrum. I too at the beginning was pumping out too much white and the corals did not like it but after having turned my whites down low the corals are happier. The white light IMO should be considered visual bulb rather than a PAR bulb.

I like this point.---Rick

 

[FastUno]

Why go through all this trouble?

Build one of these GU10 series of bulbs. This one dude has them over his tank for 2+ years & it seems cheap enough.

http://www.youtube.com/watch?v=0NY_I33xwDw

 

[carlosmos]

What is the maximum temperature value in the led base to avoid problems?

Thanks

 

[Norahsdad]

I put a gu10 fixture togather and now I'm having to replace it with dream chips, because gu10s are getting dimmer and dimmer , a cupple went out and the lens on my blue ones are turning opek not the whites just the blue lens. Been reading about these dream chips for awile now had to save up for chips. My fixture is about two year old now so the gu10s may have gotten better but I'm not buy more.

 

[zachts]

Gu10s are cheap and not long term reliable. I use a few for sump systems and plant spot lights in track lighting, but i've had to rebuild them more than once due to burnt out diodes.......

 

[marcosasjr]

Lassef,

I bought 3 led Lumia 5.1 (100w each) for an aquarium of 130x55x55cm, was weighing on using only 2 with lenses 90 degrees and have an LED as a backup.
2 led attend my aquarium? or do I have to use 3?

 

[marcosasjr]

My reef is for LPs/Soft/fish