Thread: Metal Halide Ballast
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Old 02-19-2004, 10:10 PM
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Jaws Jaws is offline
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Default Metal Halide Ballast
When you're running two 400W HQI Metal Halide bulbs at each end of the tank, can you run both of them off a 2-400W Metal Halide ballast or do you need to buy an idividual ballast for each light?
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