Channti Fishaholic Joined Feb 1, 2009 Messages 528 Reaction score 0 Location CA Dec 14, 2010 #1 How often should you replace T8 bulbs?
SuperColey1 Planted Section Joined Oct 30, 2006 Messages 4,952 Reaction score 32 Location Lincoln, UK Dec 15, 2010 #2 On a magnetic ballast then yearly. If on electronic ballast 3-5 years. Most 'stock' fittings using T8s are still using the magnetic ballasts which deteriorate the tubes quicker so I would take the 'yearly' option. AC
On a magnetic ballast then yearly. If on electronic ballast 3-5 years. Most 'stock' fittings using T8s are still using the magnetic ballasts which deteriorate the tubes quicker so I would take the 'yearly' option. AC