saehan Posted January 29, 2002 Share Posted January 29, 2002 I have a 400w high pressure sodium ballast and was wondering if i could put a metal halide globe in it's place. Does anyone know the difference between the two as it could save me a lot of cash. Thanks in advance Link to comment
Ph Posted January 30, 2002 Share Posted January 30, 2002 I'm pretty sure you can not use the ballast for MH. A few years ago I was wondering the same thing and found that they work differnt in the way they start the bulb. Double check me but im pretty sure im right. Sorry Ph Link to comment
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