please help me

[ritainla]

I have a sick red truks about 3.5". hidding and not eating also turn dark. waters parameter all good. I treat with Metronidozale and paripro all not show any imporvement.
see picture if you see this kind of thing before please drop a line.

thanks

[Skip]

Why use meds if u dont know the problem...

For now... Do at least 50% water changes for 5 days.. Then give update..

Water quality is the root of most discus problems and the solution... There is no magic bullet so dont expect instant change un behavior.. ur water is not good.. Thats the problem
Ps.. Copy paste the disease questionaire.. And give as much detail to each question..

[Lenin]

add some aquarium salt also