Bleached corals.

[TRH]

My tank is just about 1 year old. In the past couple of weeks my torch and kenya tree coral have become bleached, I use ro water and all my water parameters are fine. Could it be my lighting or should I say time for new bulbs? I have Aquactinics T-5.

[fours2many]

I would say it is time for new bulbs. the same thing happened to me a couple months ago. Once I put the new bulbs in, the corals started getting some color back. A year is about the longest you should go before changing your bulbs. I am changing them every 9-10 months now.

Kristin

[TRH]

Thank you for the info, i just couldn't figure out why its driving me crazy.

[skeeter-doc]

well TRH, how long have you had those bulbs? that would certainly say whether or not they are old yet, ...

[barbra]

You really should get more like 18 months out of T5's, and even if they are that old a sudden bleaching would have me looking elswhere for the issue. Color shift happens, but it is gradual. Assuming the bulbs are the same age as the tank you should not be seeing a dramatic impact on your tank quite yet.