arowana fin rot

[benjaminf]

Have you tested your water?

No

If I did not test my water...

...I recognize that I will likely be asked to do a test, and that water tests are critical for solving freshwater health problems.

Do you do water changes?

Yes

What percentage of water do you change?

31-40%

How frequently do you change your water?

Every two weeks

If I do not change my water...

...I recognize that I will likely be recommended to do a water change, and water changes are critical for preventing future freshwater health problems.

Arowana fin rot after water change, using ocean free external and internal bacteria as of now...please help

 

[Rocksor]

You need to post ammonia, nitrite, nitrate, and ph water parameters from a liquid test kit.