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Old 07-10-2011, 04:30 PM   #1
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Water change question

I had a half dollar size Banggia Cardinal fish pass away within my hex tank.
I can only assume he passed unless invisible fish is his specialty. We have looked high and low, both in and outside the tank with no luck. The tank has tons of hiding spots and areas under the LR where a sneaky shrimp or lawnmower could tuck away a future snack. Hes been MIA two days now and my ammonia levels are climbing.

Here is my question. Can you over water change? I have been doing 20% a week, but do not want to really mess the tank up by over changes. I also do not wish to remove all of the live rocks, if you seen the tank you would understand why, to find the missing cardinal.

We are now sure is not out of the tank, it is well covered and he is not in any location we can see even when using a mirror to see behind and under areas. We have also sifted as much LS as we can access with no luck either.

Thoughts about increasing water changes and cutting back on feedings until things settles back down? Other ideas or suggestions?

All other fish appear to be doing well.

Thanks
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Old 07-10-2011, 04:59 PM   #2
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20% PWC`s a week wont mess anything up. IMO the only way you can overdo it is by doing more than 50% at a time. That tends to change water chemistry too much. But your weekly 20% will be OK.
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Old 07-10-2011, 10:41 PM   #3
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Quote:
Originally Posted by Sabre View Post
We are now sure is not out of the tank, it is well covered and he is not in any location we can see even when using a mirror to see behind and under areas. We have also sifted as much LS as we can access with no luck either.
Do you have cats

20% is not overkill as melosu said, it depends on the difference in parameters between your tank water and the new salt water you have prepared.
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