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BradMugs
09/14/2010, 06:45 PM
My Tek light fixture is a few years old now, just changed my bulbs a few months ago and noticed two are now giving off Pink light (they are 10K bulbs).

Is my ballast going? Anyone know how many ballasts are in a 4 foot 6 bulb unit? Suggestions for a new ballast?

Anything else I should know?

Thanks

davocean
09/14/2010, 06:47 PM
I swap bulbs about every 9 months, so those are fairly old if original.

Mavrk
09/14/2010, 06:48 PM
What specific bulbs did you get? Are you looking at them after they have been running at least an hour?

Rockys_Pride
09/14/2010, 06:50 PM
depends on model. some ballasts can only run 1 bulb, others more. Take it apart and see. I would say take the bulbs back first, then see about replacing the ballast(s)

BradMugs
09/14/2010, 06:58 PM
Davocean - bulbs a few months old - fixture is a few years
MAVRK - UVL bulbs - been on about 5 hours now today
Rockys - Bulbs mail order taking back would be difficult but if pink bulbs is a sympton of lights not ballast then I'll call where I got them. Not sure of model of Tek Light just know its the standard 4 foot w/6 t-5's

whorulz1147
09/14/2010, 07:10 PM
Are they UVL actinic white? I believe these bulbs have a bit of a pinkish hue. Check with the Grim Reefer in the T5 Q&A thread in the lighting and equipment forum...

davocean
09/14/2010, 07:38 PM
Oops, read too fast.
Different bulb manufacturers can have a different color even though they are same spectrum rating.
I actually have one pink bulb for full spectrum.
I don't think it would be ballast, but yeah, grim is the guy to check in light/filt forum.

BradMugs
09/15/2010, 05:58 PM
I've got 4 of these bulbs and only is pink the one next to it is pinkish is why I was questioning the number of ballasts in the Tek Light fixture.

Thanks