can anyone advise on the ultimate colour mix for algae growth.
is it blue and red mix?
can anyone advise on the ultimate colour mix for algae growth.
is it blue and red mix?
For LEDs I'm assuming is what you are asking about
660nm Deep Red
440-450nm Royal Blue
Ratio Red:Blue generally in the range of 5:1 to 8:1. Most people (including myself) have taken that figure to be a ratio of the LEDs but it is actually more likely to be a ratio of radiometric power. Since blues LEDs are inherently more powerful in that respect (at the same drive amperage), you may actually need fewer blues, or at least run them at lower power. I figure that blues are about ~50% more powerful than reds so you could stretch the red:blue LED ratio to 10:1 and probably be good.
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