The Planted Tank Forum - View Single Post - Blue leds for vegetative growth?
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Old 01-07-2013, 06:28 AM   #14
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funny... i have been squeezing blue lights into my tanks for years. lately, i am using actinics because they cause the plants to produce more red pigments. LEDs will not cause this, unless they produce UV. i do have some blue grow panel LEDs that i have tested and noticed some incredible growth rates, but the plants didnt show the deep reds that i like so i switched back to actinics.

i usually meet with ridicule when i mention this though, so i normally just keep it to myself...
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