LED

[banditpowdercoat]

Originally Posted by ReefOcean

Your friend sounds like he builds systems very close tot he ones China pumps out. They are built with 1w Bridgelux or worse LEDS.

For SPS and Clams, I wouldn't use them unless your livestock is 6 inches away from the light and directly under it. I speak from experience, I have a 120w currently over my 30 gallon.

I would do one 120w lamp over each 1.5-2 feet of tank, as close to the water as possible. For a 24 inch deep tank, you will be looking at uner 150 par at max depth but like with all LEDs, the initial par at higher levels is good.

As for LEDs, a (white-blue) of (2-1) ratio will net you about 14,000K. Mine is 1-1 and it is definately 20k at least.

As for pricing, you can get these systems for $150-220 shipped from China. I can point you in the right direction if you wish. I can vouch for one company, my light has been going great for almost a year. They also offer 3 years warrenty etc which leads me to believe your friend is in fact reselling and not manufacturing.

You meantion Bridgelux. Are you talking the single LED's or Multichip? I am experimenting with the Bridgelux Multichips 90-100Lumen/Watt 60Watt chips. And supplimenting with Actinic. Not done building it yet

[StirCrazy]

Originally Posted by banditpowdercoat

You meantion Bridgelux. Are you talking the single LED's or Multichip? I am experimenting with the Bridgelux Multichips 90-100Lumen/Watt 60Watt chips. And supplimenting with Actinic. Not done building it yet

nothing wrong with Bridglux single or multi. they are just as good quality wise as cree. edison are good also, it is the no name knock offs that can be suspect..

the only reason cree stands out from the "good" bunch of companies is there advancment rate is slightly ahead in terms of lumins per watt. but as has been said in previous threads we realy don't need all that power as most people set there ballasts to run them at a max of 80% then they dim that down to 60% and realy the other big chip players are closing the gap with Cree now. bridglux may not be quite as efficient but they have more powerfull LEDs

so it comes down to weather it is going to cost 3.00/month to run your fixture with crees, or 3.50/month for your bridglux (becuse the crees are a little bit more efficient)

Steve

[banditpowdercoat]

Yeahh, $3.50/month is alot better than my $25+ for the MH, AND the 15-20 for the AC unit, fan's and the 1.5g of water that evaporates every day...

Actually, I am working with a manufacture of Industrial lighting, using Bridgelux chips and Meanwell drivers. We see real good potential from the Multi-chip LED technology. No more having a whackload of individual LED's. The prototype has chips, 1.5"square +250W MH output with apprx 60-75W consumption. Time will tell

[StirCrazy]

Originally Posted by banditpowdercoat

Yeahh, $3.50/month is alot better than my $25+ for the MH, AND the 15-20 for the AC unit, fan's and the 1.5g of water that evaporates every day...

Actually, I am working with a manufacture of Industrial lighting, using Bridgelux chips and Meanwell drivers. We see real good potential from the Multi-chip LED technology. No more having a whackload of individual LED's. The prototype has chips, 1.5"square +250W MH output with apprx 60-75W consumption. Time will tell

I would shift away from the meanwell, not as good as we thought they were, but they were all you could get then that was deicent. but a lot of blowen arays because of meanwells.

Steve

[banditpowdercoat]

Ohh really?? Crap. cause we just got a large shipment of them. They are better than the Shenzhen drivers we were initially getting supplied

[StirCrazy]

Originally Posted by banditpowdercoat

Ohh really?? Crap. cause we just got a large shipment of them. They are better than the Shenzhen drivers we were initially getting supplied

just add some protection from inrush current and you'll be fine with them.

I am not familer with the Shenzhen, I am looking at using the TR drivers so I have two drivers and no more. I think the ugly thing about the LED arays is the 6 or 8 drivers you have to try hide so I am using ones with enough power that I can use 1 for the blue and one for the white.

Steve