[reefwars]

Originally Posted by King Triton

Thanks for reply! I had 2 20,000k and found they do not last long. Between the actinic lighting, 1 -14,000k and a 10,000k it seems to give a blue spectrum yet still yellows in it with good response from corals.

i could be wrong but its my understanding that a 20000k bulb should last longer but they all should be replaced once a year