glad to see Ruby alive , not many cases that fish can survive at this symptom.
even i'm a peroxide fan , i always dose every time i introduce new fish for 45 days to prevent ich
but this is also new knowledge for me that peroxide also can cure velvet in time by bath method.
anyway you should take a look closer for more period , i've heard many cases that some fishs which can survive velvet they dont live long ,
seem like velvet leave some damage to fish inside .
good luck
even i'm a peroxide fan , i always dose every time i introduce new fish for 45 days to prevent ich
but this is also new knowledge for me that peroxide also can cure velvet in time by bath method.
anyway you should take a look closer for more period , i've heard many cases that some fishs which can survive velvet they dont live long ,
seem like velvet leave some damage to fish inside .
good luck