new bulbs are installed. I'm so glad I went with the 20 k's. I'm seeing colors in the tank I never seen before. I plan on doing a water change in the morning. So I'll get some pics... I havnt ordered the of's yet. I don't know if I want the 460s or 420's actenics. Loving the 20 k color. Thinking the 420 would bring out the more purple side...