🙂 I will copy one answer from facebook to you .— but if you have questions to this and theres a dialogue I would ask either you to go on facebook or the other person to go to forum 🙂
But lets see, I think maybe theres a language problem
Kamil Suchocki wrote :
I had P.filamentosus a long time ago, such rubbing in the gill area may result in gill worms, and a colleague wrote that he was flushing another filter from an infected paros I would give the drug “Sera mycoforte” according to the instructions written there. Sorry for my english, I write via translator