LED lighting

[wesheltonj]

I have been running LED for about 2 years. It will grow SPS as long as the are at the mid-point of higher, but I have a deep tank. I have one piece of SPS on the very bottom @ about 24" it has grown very little but has grown. (Bill has seen this piece, yes it very small). I have some other pieces left, a cap and a ton of pocilliopora. I am getting ready to change over to three part and will be adding back in SPS.

[corruption]

Yeah, a 90 is a pretty deep body to illuminate -- I could see SPS growth being weaker near the bottom.. Does the AI fixture give you an idea of the amount of intensity being used to power the lights? I know, at least with the Cree's, the lights are typically underpowered a decent amount from their max capacity -- I'd figure this would be similar here..

Also, I've gotta know -- in your sig, does that mean 300 square foot shark tank? Wild.

-Corruption

[wesheltonj]

Its a joke, I am a lawyer and my office is 300 square feet.

[corruption]

ahhh, hahahaha... thats pretty funny Makes more sense now -- I was trying to picture a shark tank larger than my living/dining room

-Corruption

[MAZ350SS]

This is the best info Icould find on the subject i couldnt try it my self because i found it to late but i am going to do it as soon as the holidays are over

http://reefcentral.com/forums/showth...0#post14502630

[txg8gxp]

Nice build thread, not bad on par reading. I think his led count is alittle low for that tank size, plus he is not running any lens and they were the luxen led's cree's do have a higher lumens per led. So with all this said I think you could easily get higher par readings with newer, high power leds. Just my two cents, Stephen.

[wesheltonj]

The AI light has a total of 24 LED's per 12" section, 8 triple lens with 3 to a lens, That reefcentral build is not even close to that light output, Yes it will light up your tank but not much more then that.

[txg8gxp]

agreed..

[Bill S]

There isn't enough difference between the Cree and the Philips LEDs to make a real difference (107 vs 100 lumens), and at 2/3 the price, the Philps are a better deal.

They now make lenses for both the Cree and the Endor Stars, which should be used.

When using 3 up or 4 up LEDs, when you lose 1 led, you lose the whole star. It also makes heat issues easier to work with, with a single LED on a star.

BTW, the LEDs that ledsupply sells are "state of the art" LEDs.

[wesheltonj]

The cool white XLamp XP-G provides 139 lumens and 132 lumens per Watt at 350 mA. Driven at 1 A, the XP-G produces 345 lumens, which is 37 percent brighter and 53 percent more efficient than the brightest XR-E LED. The XP-G LED has the highest lumen density of any available lighting-class LED, and it is based on the XLamp XP family package.