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Re: Potassium and CF Lighting



Michael Dubinovsky wrote:

<snip>
>I'd say that the best unit of measure would be something similar to lumens
>with using average plant absorption curve instead of eye curve. I never saw
>such units, but this is used, for example, for estimation of efficiency of
>UV lamp. Lamp spectrum is multiplied by "bacterial" responce. 
<snip>

Take a look at:

http://www.aquabotanic.com/lightcompare.htm

where I use such quantity (which I dubed MPAR, for Modified PAR) to compare 
different light bulbs.

-Ivo Busko
 Baltimore, MD