To speed this up as you didn't include it in your previous topic in the ther forum, it would be a god idea for you to answer the questions I've included from the pinned section at the top of the forum. This way people will be able to help you and get to the root cause without wasting time having to ask these questions.
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"When posting a request for help can you please include the following info
1. Water parameters. (ammonia, nitrate, nitrite, PH, temp', Hardness etc)
2. A full description of the fishes symptoms.
3. How often you do water changes and how much.
4. Any chemicals and treatments you add to the water.
5. What tank mates are in the tank.
6. Tank size.
7. Finally Have you recently added any new fish?
You may cut and paste the template below and submit in your post:
Request Help
Tank size:
pH:
ammonia:
nitrite:
nitrate:
kH:
gH:
tank temp:
Fish Symptoms (include full description including lesion, color, location, fish behavior):
Volume and Frequency of water changes:
Chemical Additives or Media in your tank:
Tank inhabitants:
Recent additions to your tank (living or decoration):
Exposure to chemicals:
Digital photo (include if possible):"