I iseeweed Advanced Reefer Rating - 0% 0 0 0 Feb 10, 2007 #1 Just purchased this xm 250w de 20k bulb and noticed these funny brown spots. I installed it anyway and it seems to work fine. Should I be concerned?? Attachments 250w.JPG 13.7 KB · Views: 212
Just purchased this xm 250w de 20k bulb and noticed these funny brown spots. I installed it anyway and it seems to work fine. Should I be concerned??