Bleaching coral

[julius]

Here's my situation I had my water tested yesterday reading were fine except my nitrates they were very high so I did a 30% water change. I feed only once aday, as of now I only have one fish and that is my damsel. I trying to find the reason why my polyps are bleaching out the way they are. This is the first time this ever happened.
Originally I had him like in the middle on the tank but it never showed any problem until a couple of weeks ago then I moved it on the bottom pretty much out of the light hoping it will come back. But no luck as of yet. Let me know whats up Jay.

 

[stang66200]

What kind of lights . . . how big of a tank?
Are your other water specs in the "ok" range?

 

[julius]

Yes my other paremeters are fine,I have a 75gal I am using PC's.

 

[stang66200]

Are the bulbs in your light old?
I am not sure what else it could be . . . Is your water movement okay? Do you have stray voltage?

 

[julius]

Yea my bulbs are due for a change, my actinics are becoming a little dim that's about it.

 

[julius]

My baby panther grouper and my sand sifting goby disappeared I search that whole thank I could not find anything I even rotated all my live rock around to see if I seen a corpse I found Nothing. I dont have anything in my tank that would kill or eat them. ? would bristle worms kill fish why they are sleeping unexpectedly. Just a ?

 

[reefnut]

Originally Posted by JULIUS
would bristle worms kill fish why they are sleeping unexpectedly. Just a ?
No...
So, what kind of coral are we talking about??

 

[julius]

zoo polyps

 

[reefnut]

How much PC's?? How do they look?? It's kind of strange that zoo's would bleach??

 

[bri23520]

My zoos did the same thing, but I found out a pump had a short and i had some voltage in the water. I replaced the pump and they regained their color in about 2 weeks, hope this help just use a volt meter on your tank.

 

[julius]

Originally Posted by ReefNut
How much PC's?? How do they look?? It's kind of strange that zoo's would bleach??
260watt PC. The bulbs are kinda old a little over a year to be exact. My actinics are starting to get a little dim. For the most part they are pretty much covered in Salt Crep.

 

[julius]

Originally Posted by bri23520
My zoos did the same thing, but I found out a pump had a short and i had some voltage in the water. I replaced the pump and they regained their color in about 2 weeks, hope this help just use a volt meter on your tank.

I will give it a try.