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sfilingeri
10/28/2006, 10:27 PM
When is it time to change PC bulbs? 6 months? or 1 year?

Thanks..............

Randall_James
10/28/2006, 11:19 PM
I do the 1 year thing and that is probably about 3 months too long.

norcal99
10/29/2006, 12:39 AM
Most will recommend every 9 months or so... I've also heard of people running PC lights well over a year before changing them out. The key thing to remember is that although the lights may appear to still be bright, you will lose light intensity over time and your corals probably won't appreciate it. General guideline, change every 9 or so months.

JENnKerry
10/29/2006, 07:46 AM
We change ours every 12-14 months. Our corals have seen no ill effects.