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    600w hps bulb/ballast problem

    Hey, Markybuds. Did you ever figure out your problem? I ordered the same ballast 2 weeks ago and it will not light my 600w HPS. It will work with a 400w HPS..which is what I am having to use..I even ordered a new ballast, but it still will not work with 600w. I bought 3 600w bulbs before I...
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