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

Jerry Baker, I can calculate the PUR-efficiency for you (or anyone else)
if you give me the spectral distribution, watts and lumens-rating for the 
bulbs you're interested in. 

You can also improve your calculations by using Ivo Busko's
example here (at the bottom):

I've expanded his PUR-efficiency-list here:

// Daniel.
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