Re: [APD] light and the w/gal rule

[Jerry Baker <jerry at bakerweb_biz>]

S. Hieber wrote:
> 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.

True that. The issue, then, is whether lumens are more closely 
correlated with PAR than watts. Ironically, it is nearly impossible to 
find lumen ratings on bulbs that appear in Advanced Aquarist bulb PAR 
studies.

Does anyone know a good source of data that contains both PAR and lumen 
data, or even bulbs where the manufacturer publishes lumen data?

-- 
Jerry Baker
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