yikes they were older than I thought

[kevinohio]

Ok so I replaced my pc lights today. and WOW. I didnt realize how bad the old ones were. My goodness, with the new lights it is so much brighter, same type of lights, 10K an atinics 65watts 4 bulbs total, but my goodness they are so bright now.

 

[Kreeger1]

be careful with your corals, they can bleach if the light really jumped that much. I'd cut your photo period down by 2 hours and move it back up in a month
Erik

 

[BrunstuckyJoe]

Sometimes it is better to replace one bulb a month....so you don't shock your corals....

 

[kevinohio]

FOWLR tank. just had added some GSP, other than that just coraline algae. sorry should have noted that