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Originally Posted by ProPs
you might want to find out if the ballast you have is a pulse or a probe style ballast.. tar ballast were design for probe start style bulbs but i've seen some where its a pulse start... ushio and most european bulbs [ie. radium] run on a pulse start style ballast..
heres a good link
http://www.aquarium-lighting-guide.c...al_halide_ansi |
Props, a tar ballast can be a pulse, magnetic, or HQI so the above statment dosen't apply to this.
a USHIO is a europen bulbs which has been turned into a probe start so yes any of the above ballasts will fire it.
the only way you will have a problem is if you try using a pulse start bulb with a probe start ballast. the other way is fine.
Steve
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