Lighting question: How often should they be replaced?

[Skimmerking]

ya really 18 months ROLMAO on my TEK system remember Doug i lost color on about the 6-8 month

[shrimpchips]

Originally Posted by asmodeus

ya really 18 months ROLMAO on my TEK system remember Doug i lost color on about the 6-8 month

Same here - I just replaced my bulbs yesterday, and I had forgotten what "crisp white" light was....I was used to dull yellow...