velvet on vacation

I had a velvet outbreak that was treated about four months ago. The fish that survived have looked good, eating fine, and appear back to normal for the past several weeks. They were not removed from the tank where the velvet outbreak occurred. Is it safe to add a new fish? Does the parasite...

Hey guys this is a quite annoying scenario for me but i want opinions from anyone on possible ideas, so I had decided to finally add fish to my tank lucky me after all the work cycling it it was finally ready yay! Turns out one of my little inhabitants has come down with what im almost sure is...