LED fixture

Im confused! A pot cost about $4 and a voltage regulator cost about $15. And one has nothing to do with the other.
What is confusing? The point of my posts is to convince xCry0x that LED lighting does not use potentiometers to dim LED emitters. And that dimming a fixture makes it consume less electricity.
 
I was about to order a unit or two, but was told that only two of their units use Cree's, all the others use Bridgelux. I was told these do not have the penetraing power of Cree's.
One of the two units that do use the Cree's is the 60w washer but it is 48" long, so too long for my tank. The other is the new programmable 4G - 48 x 3w unit.
My tank is a mixed reef(lps,sps,clams) 46 bow, so 36"l x 15"w x 21"h.
Do I NEED the Cree's?
144w seems like too much compared to a 4x39w t5 setup.

I'm not the go to guys on LEDS but from what i do know is that Cree's and bridgelux are the best that are out there. They are both 3 watts, if the fixture is dimmable you will never use them at 100 percent because you will bleach everything in the tank. Apollo Leds uses the bridgelux and i have seen their system and it work great.
 
I was about to order a unit or two, but was told that only two of their units use Cree's, all the others use Bridgelux. I was told these do not have the penetraing power of Cree's.
One of the two units that do use the Cree's is the 60w washer but it is 48" long, so too long for my tank. The other is the new programmable 4G - 48 x 3w unit.
My tank is a mixed reef(lps,sps,clams) 46 bow, so 36"l x 15"w x 21"h.
Do I NEED the Cree's?
144w seems like too much compared to a 4x39w t5 setup.

For a tank this size, a 24 led kit from rapid would probably be all you need. Rapid recommends 48 LEDs for 90 gal tanks. Depending on price, the 24 led kit from rapid might be cheaper.
 
I'm going to order a bridgelux version, but not sure on what size to order. Im putting it over a 20h and was thinking of getting the 25 led unit but Robyn recommended the 50 led unit. Anyone have any opinions on what i should get?
 
For a tank this size, a 24 led kit from rapid would probably be all you need. Rapid recommends 48 LEDs for 90 gal tanks. Depending on price, the 24 led kit from rapid might be cheaper.

So I ended up buying a pre-owned rapid 24x3w kit(6led's x 4 rows deep). It is not quite enough on a 5.88"x11" heat sink from heatsinkusa. I am going to order another kit from rapid and heat sink from heatsinkusa, but I want to get some reccomendations....

I want to replace the two meanwells with dimmable versions and I want a more blue overall color while ALSO adding some other spectrum led's.

So....from owners, what mix should I go with?(adding 8-12 led's)
Also, should I go for the "ultra" bin for the led's to ensure they are all the same and good to go, or is that not needed?
 
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Also, should I go for the "ultra" bin for the led's to ensure they are all the same and good to go, or is that not needed?



Do not fall for this marketing trick, unless you are building something to win a competition such as best color rendering on earth, most efficient LED ever made in human history. There is no need to match the so called ULTRA bin, better bin .... to an used set you already have.
:celeb1:

As long as the LEDs are regular products not the "X" inventory, they are all fine. X type means rejects from the fabricator and are usually sold to toy manufacturers.

Just to persuade you more, I am a lighting professional.
 
I received my four 60w bridgelux wall washer fixtures this week. The quality is good. I'll post pics this week.
 
Here's the Bridgelux 3g 25 led light for refence
2011-10-06133756.jpg

2011-10-06133918.jpg
 
Thanks for the clarification on the dimming with pots & controllers and such!

That 25x3w looks great. Looking forward to the pics of the aqua washers.
 
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I'm starting a 40 breeder do you think the 50x3 watt is overkill. I have spare 2x250 and 2x175 MH lying around and trying to decide which way to go. I'm going slow with the stocking but eventually want to go sps with it.
 
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