I have 3-250 watt 65K Iwasaki bulbs ran by and advance ballast 2 of then have been up since march 2001 and the other June 2001 I have noiced that one of the bulbs is a bit dimmer then the others more yellowish also. How do I know when to replace the bulbs and why is that one bulb dimmer then the other?
The key to all is to always prepare for the worst before the worst prepare for you..
reef120
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