That clown has brooklynella you need to get it in a fw dip or Acriflavine dip or formalin dip asap. Copper isn't going to do it metronidazole, or above mention medicated dips will do it
Bare min if you don't have those products to treat it give it a fw dip and it will buy you some time
Bare min if you don't have those products to treat it give it a fw dip and it will buy you some time