How often do metal halide bulbs need to be replaced?
reefnut Active Member Apr 30, 2006 #2 Are they single ended or double ended?? What kelvin, type of bulb and what ballast are they running on?? The general rule is around every 12 months but there's a little more to it than that.
Are they single ended or double ended?? What kelvin, type of bulb and what ballast are they running on?? The general rule is around every 12 months but there's a little more to it than that.
nm reef Active Member Apr 30, 2006 #3 In general every 9-12 months....but as mentioned additional info is needed on the ballast/lamps you use.
In general every 9-12 months....but as mentioned additional info is needed on the ballast/lamps you use.
