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VHO (Very High Output) Bulbs look like NO bulbs, but teamed with the proper ballast, put out a lot more light than their look alike bretheren... hence the name! VHO Bulbs are a standard item on most marine tanks... they provide excellent full range lighting, and most serious reefers will team them up with a set of MH lights for more intensity. Corals especially love the light.. the more, the better! |
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