a 20,000k bulb and a 20,000k radium?
yetex Member Jan 31, 2003 #2 i know not all ballasts that would beable to power the 20000k would beable to power the radium. As for color difference i couldn't tell you. Radiums require certain ballasts to power them.
i know not all ballasts that would beable to power the 20000k would beable to power the radium. As for color difference i couldn't tell you. Radiums require certain ballasts to power them.
