Is Fin Rot Contagious?

[Imcanadieneh]

because I had a betta who got it and died from it and I took him out of his tank cleaned it and put a gourami and a few tetras in it and the gourami had fin rot and I feel bad its fin is like seriously shredding away and its falling off. His back one that is

 

[peter22UK]

depends what the cause of the fin rot is.............

 

[smegforbrains]

Extremely contagious!


The tank should be cleaned very thoroughly.


I would advise against re-using any filter media, substrate or plants as the fin rot bacteria may be lurking thereabouts.