<a href=showthread.php?s=&postid=15392814#post15392814 target=_blank>Originally posted</a> by der_wille_zur_macht
Can you post specs of your setup (tank dimensions, number of LEDs, model and bin of LEDs, drive current, optics, etc.)?
I got them from eBay, but they aren't anything special. I figured that their shear numbers would make up for their short comings. I've been known to be wrong before. :lol: The tank is a 30g with a 10g sump. I have an algae scrubber that also had LEDs but switched to PCs.
White LEDs:
Specifications:
Body material: Thermoplastic
Circuitry board material: Diecast Chrome
225 Super Bright LEDs
Color: WHITE 6000-7000K
Working Voltage: 110V (Plug in To North America Standard Outlet)
Power: 13.8 Watts
Dimensions: 12 ¼ inches (30.5cm) square
Thickness: Low profile 1.25"
Power cord length: 48 inches
Recommended coverage: One panel per 2 square feet for full illumination.
Blue LEDs:
2009 Xen-lux LED
Single Grow Light Panel
Color: All Blue
MSRP $119.99
Output comparable to a 250w HPS system!
Dazzling, extraordinarily-bright 14-watt panel!
100% genuine Bridgelux LEDs!
Latest 2009 technology; sixth-generation design!
Anyway, I have my doubts about them. They have pretty good apparent brightness, but they aren't quite what they were promoted to be. The driver is a small internal circuit board with some resistors, diodes, and two fat inductors. (I'm at a loss why the inductors are there.) (Not much help, sorry.) I have in total 450 5mm LEDs that I was hoping would be some of the new high efficiency bulbs. I haven't measured their output though (looking for an affordable light meter).