you can buy the leds from china for next to nothing. How does $0.18 each for some 3.4 volt ones. Here is a link... Also check out the other link with the board that would make ti easy to set up. So what do you think about the qualty? Think it would make photosynthesis happen? Even if they where only one watt each that is 1k watts worth of light. Not bad for $200 ? Haha
Ultra brightness and low power consumption
Long-Life if used appropriately (>100,000hrs)
Suitable for many DIY applications
1000 pcs of 5mm Clear type LED
Viewing Angle: 15-20 Degrees
Intensity: 15000-18000 milicandelas per LED
DC Forward Voltage (Vf): 3.2-3.6 (3.8v max) @ 20mA
Colour Spectrum: N/A
http://cgi.ebay.com/1000-15k-mcd-Hig...sid=p1638.m118
http://cgi.ebay.com/ws/eBayISAPI.dll..._promot_widget
So,