Tiny white worms on my cory cats fin??

[100suno]

I can't really get a good pic since theyre so small. Pretty sure they're alive, since ive seen them move. It seems they have been around since I bought the fish...
No behaviour abnormality nor redness with the fish.

 

[DoubleDutch]

Treat with a dewormer.

 

[100suno]

Treat with a dewormer.

what brands do u reccomend? i will try to get some

 

[DoubleDutch]

I'd get Prazipro for instance