Aquarist Forums => Equipment / DIY => Topic started by: kennyman on January 25, 2006, 11:12:28 AM
Title: actinic lights?
Post by: kennyman on January 25, 2006, 11:12:28 AM
Does a 50/50 bulb or a true actinic bulb output the same lumen as, say a 10k bulb? Is there an net loss of intencity to get the desired spectrum for reef growth?