Arowana keep on darting

[Jackson212000]

hi guys i bought my new xb arowana last week. Its still darting
My tank is full of black water .. my aro eat only prawns i feed him superworms he didnt take it
I am so scared of it because my rtg arowana died due to last water change it affected chlorine even tho my filter is enough for the tank.. there is a scale looks dark on my arowana xb pls help

 

[tlindsey]

hi guys i bought my new xb arowana last week. Its still darting
My tank is full of black water .. my aro eat only prawns i feed him superworms he didnt take it
I am so scared of it because my rtg arowana died due to last water change it affected chlorine even tho my filter is enough for the tank.. there is a scale looks dark on my arowana xb pls help

Welcome aboard

Are you using a dechlorinator during water changes?

 

[Jackson212000]

I dindnt use for rtg the one my
fault
But this xb i havent change water
I have 2 oscars in the same tank it is looks good
But xb aro always try to attack it
Once feed superworms not eating
If prawns eating

 

[Galantspeedz]

i believe water is an issue...

 

[Jackson212000]

But oscar looks good

 

[Galantspeedz]

different fish different tolerance level... same fish also different tolerance level

 

[Galantspeedz]

http://www.fishdeals.com/fish_diseases/black_spot/