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View Full Version : culturing phytoplankton with what spectrum of light?


krayziez
08/20/2015, 09:19 AM
Was wondering if blue leds would be optimal:
http://www.amazon.com/HQRP-Square-Light-System-Hanging/dp/B008A699NA/ref=sr_1_79?s=lawn-garden&ie=UTF8&qid=1440083169&sr=1-79&keywords=grow+lights&refinements=p_36%3A-3000

Or should it be a combo of both whites and blues:

http://www.ebay.com/itm/New-48-LED-2-Mode-Fish-Tank-Aquarium-Plant-Grow-Clip-White-Blue-Light-Lamp-WP-/111687917117?hash=item1a011e5e3d