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Old 08-14-2007   #21 (permalink)
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Re: We need a trillion more indoor plants.

Quote:
Originally Posted by Michaelangelica View Post
The "party" lights weren't that "partish" they looked like normal led lights. They claimed the equivalent of 100W from 20W electricity use.
Are you sure you don't mean 100 lumens?
The equivalent lumens for a 100W bulb would be 1300-1700 lumens.

Quote:
What I need to know is that sort of light better for plants?
Not necessarily.
The action spectra for photosynthesis, as well as the absorption spectrums for chlorophyll a and b, can be found here:
Action & Absorption Spectra

While most photosynthetic activity happens towards the red spectrum, much absorption is taking place in the blue/violet spectrum as well.

I don't really know what THE best light is for growing, but I know high-pressure sodiums are highly esteemed (they glow orange-red).
Perhaps one of those coupled with a blue party light.


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