Greetings all, In regards to lighting, Ivo Busko put together an excellent evaluation of the efficiencies of various lamps that we commonly employ in the hobby. Take a look at http://www.aquabotanic.com/lightcompare.htm Regards, _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants