Oct 16, 2015 #1 NanaReefer 5000 Club Member View Badges Joined Sep 9, 2011 Messages 7,212 Reaction score 1,685 Location Upper Peninsula of Michigan Rating - 0% 0 0 0 Running 8-10hrs a day, how long do they really last?
Oct 16, 2015 #2 Pete polyp acro serial killer View Badges Excellence Award Joined Oct 16, 2012 Messages 5,828 Reaction score 1,895 Location Arkansas Rating - 0% 0 0 0 Mine have been over my tank for 10 months. I change them yearly
Oct 17, 2015 #3 OP OP NanaReefer 5000 Club Member View Badges Joined Sep 9, 2011 Messages 7,212 Reaction score 1,685 Location Upper Peninsula of Michigan Rating - 0% 0 0 0 Is there are specific reason you change them out yearly?
Oct 17, 2015 #4 Pete polyp acro serial killer View Badges Excellence Award Joined Oct 16, 2012 Messages 5,828 Reaction score 1,895 Location Arkansas Rating - 0% 0 0 0 They lose intensity. I can definitely tell the difference in brightness when I change them.