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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):
http://www.aquabotanic.com/lightcompare.htm
I've expanded his PUR-efficiency-list here:
http://www.defblog.se/permalink/1402.html
// Daniel.
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