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Old 11-21-2002, 03:49 AM
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Here is a pic of my tank. See if you can notice something funny...




Accepting ideas on why this is like this. It isn't the bulb, it isn't the ballast. I changed the socket and wiring from the ballast. The only thing I haven't changed is the reflector.
I tried this bulb over a different tank and it was fine. I'm out of ideas....
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Old 11-21-2002, 04:11 AM
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Exactly what tests have you done? How did you determine that ballast was good.

I would start from scratch and swap all the gear from one side to the other and work backwards from there.

Apart from the trial and error the only other thing that I can think of is maybe trying to run the offending light of another outlet and see if it's one of those voodoo power issues.
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Old 11-21-2002, 04:19 AM
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Ron, I tried 2 new bulbs on that side. If I switch bulbs left to right, same thing. I ran this side on 3 different ballasts. I borrowed a new PFO ballast and tried that. Same thing. I took the bulb to the tank belonging to that PFO ballast, it looked fine. That part really messes my head up!!! The PFO was plugged into a different outlet than my regular ballasts. I've checked and tightened or replaced all the wiring, no difference. I'm so confused.
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Old 11-21-2002, 05:05 AM
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Sorry....
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Old 11-21-2002, 05:10 AM
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Could it be the timer is defective in some way. Possibly the timer has corrosion built up on it's contacts causing resistance in the line dropping the voltage slightly
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Old 11-21-2002, 05:32 AM
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Bryan, same timer for both sides. And I checked all the contacts for corrosion. They're all fine!
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Old 11-21-2002, 05:48 AM
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Hi,

How about temperature at the bulbs ? Could one of the hood fans be broken ?

Also, what type of lamps are these ? Radiums ?

- Victor.
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Old 11-21-2002, 05:51 AM
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Quote:
Originally Posted by reefburnaby
Hi,
Also, what type of lamps are these ? Radiums ?

- Victor.
:shock: If they were radiums I would realy suspect something is wrong with both bulbs LOL,, they are Ushio 10000K 400 watt

Steve
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Old 11-21-2002, 05:52 AM
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Victor, these are Ushio 4oow/10k bulbs. No fans. Both bulbs should be the same
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Old 11-21-2002, 05:53 AM
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Brad, just a Idea.. that I never thought of looking at befor...

Is the Nipple UP on both bulbs?

Steve
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