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View Full Version : MH Light Bulb Life w/magnetic ballast


Reefer08
10/05/2008, 02:47 PM
How long does a metal halide 250 watt bulb last for on a magnetic ballast?? Im running a 20k blue on a pfo magnetic and its been 9 months so far. Should I switch it out at 12 months? I was thinking id switch it out sooner since magnetic over drives the bulb?? Thanks

Reefer08
10/05/2008, 05:39 PM
bump

kgross
10/05/2008, 05:55 PM
With a 20K bulb, I would suggest switching out every 9 months to a year..

Kim