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  1. Satchmo

    Hps ballast question

    I'm thinking about buying a used hps grow light kit and the guy who is selling it says it can run 1000/600/400 watt bulbs, but from what I read if the ballast is 1000 watts its only able to run 1000 watt bulbs, do they have ballast that can run different wattage bulbs?
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