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Re: [APD] light and the w/gal rule
--- Jerry Baker <jerry at bakerweb_biz> wrote:
> . . .PAR is the best measurement for photosynthetic
> but I defy you
> to show me the PAR rating on the label of most of the
> lights we buy. I
> couldn't even get Hamilton lighting to tell me anything
> about the bulbs
> they sell other than the CRI. Not even lumens, lux,
> spectrum, or
> anything else even related to the quality and/or quantity
> of light.
> Using lumens is flawed, but you have to work with what's
> available to you.
The question is whether lumens is any better than wpg using
decent lights. It really doesn't get one much to switch to
lumens, except a bit more math excercise.
> > These run about 550-2000$, not something hobbyist care
> to indulge in.
> I might spend the money on it just to publish the results
> here. That
> would be a great deal of entertainment for me, and useful
> for others as
> well. Nothing better than being able to add to the body
> of good
> scientific data in the aquarium trade. We need it.
> Of course I would probably get an Apogee if I have to
> fund it with my
> personal cash, but perhaps there is an aquarium club that
> is interested
> in getting a spherical Li-Cor.
> Jerry Baker
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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