[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [APD] light and the w/gal rule
>Does anyone know a good source of data that contains both PAR and lumen
>data, or even bulbs where the manufacturer publishes lumen data?
This is a good article with some bulbs and their PUR-efficiency:
It also show a better light-calculation method, somewhat complex though.
I've extended the list here:
All I need is the spectral distribution, lumens and watt-rating. Philips,
Sylvania and Osram have this data on their sites. More exotic bulbs
can be more tricky to find the data but it usually is available if you
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com