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  1. random.blurg

    70w hps bulb wiring

    i've got a small veg area, about 1.5ftx2ftx2ft. right now i have 4 cfl's and i'm thinking about switching to a single 70w hps bulb. my main question is with a hps bulb as small as 70watts would i still need a ballast? any help would be great.
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