Feb 19, 2010 #1 B bangoo Active Member View Badges Joined Jul 23, 2009 Messages 117 Reaction score 0 Rating - 0% 0 0 0 I've always used t-5's and was thinking of getting used MH 150w. Found a fixture used about 3 years and was wondering how long does the ballast usually last?? Do they weaken over time? Thanks
I've always used t-5's and was thinking of getting used MH 150w. Found a fixture used about 3 years and was wondering how long does the ballast usually last?? Do they weaken over time? Thanks
Feb 20, 2010 #2 Troylee all about the diy!!!!! View Badges Excellence Award Moderator Emeritus Hospitality Award My Tank Thread My Aquarium Showcase Joined Jan 15, 2010 Messages 19,350 Reaction score 17,031 Location Vegas baby!!!! Rating - 0% 0 0 0 They last for a long time especially the magnetic ones they run well over 10yrs with no problems...