Can a HPS blub turn on with a MH ballast?
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Can a HPS blub turn on with a MH ballast?
NO.
IT NEEDS AN IGNITOR.
BUT IF YOU BYPASS THE IGNITOR IN A HPS, YOU CAN RUN A MH BULB.
JUST BUY A MH CONVERSION BULB.
the thing is that i have a ballast with no ignightor and it says metal halide and the bulb actually says hps and came in a box that says the same.and the ballast also ran a mh bulb.